Other JAXP Tutorials

I've browsed through the Sun tutorials regarding JAXP and didn't find them much help. I'm trying to find tutorials involving parsing an xml file and then extracting child nodes in variables, etc. (like using XML for a type of config file) Anyone know of any other good JAXP tutorials that might explain this concept?

http://www.google.com/search?q=jaxp+tutorial

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Favorite Sharpening Methods?

Copied from the archive, with BUMP replies weeded out. ======================================================= Lindas Graphics - 04:29am Jul 23, 2002 Pacific Discussion on favorite sharpening methods in Photoshop. I normally use Unsharp Mask, Amount: 100 / Radius: .5 / Threshold: 0 -- followed by Fade with Luminosity Mode. Recently I've started experimenting with the Hi Pass Filter. There seems to be many different tutorials on sharpening, each one's method slightly different. I'd be interested in other user's favorite methods and why. <hr SIZE="1" NOSHADE> pleader - 05:52am Jul 23, 2002 Pacific (#1 of 68) At the pro level ... well then the answer must be "it depends". Regards, Victor Lee. <hr SIZE="1" NOSHADE> Mathias Vejerslev - 07:32am Jul 23, 2002 Pacific (#2 of 68) This is a good starting point: http://www.creativepro.com/story/feature/11242.html Mathias <hr SIZE="1" NOSHADE> pleader - 07:41am Jul 23, 2002 Pacific (#3 of 68) Mathias, Thanks for that link. Another good article from Bruce. But I'm a little puzzled by "Figure 1a: Unsharpened" which to me is clearly sharpened already. Regards, Victor Lee. <hr SIZE="1" NOSHADE> Lindas Graphics - 10:32am Jul 23, 2002 Pacific (#4 of 68) Edited: 23-Jul-2002 at 11:34am PST Mathias: I remember reading that tutorial in the past but forgot where it was. Bruce Fraser is one of my favorites when it comes to Photoshop. I've printed the tutorial along with the follow-up one he did. I'm glad you posted the link. Thanks! I'm interested in the methods you people use for sharpening. Does anyone else use the High Pass Filter? <hr SIZE="1" NOSHADE> Mathias Vejerslev - 11:30am Jul 23, 2002 Pacific (#5 of 68) Linda, Yes, I do. I use the overlay sharpening technique. Sometimes. It really depends on the subject. For web photos, I often use PS´ USM with a setting of 50, 0.3, and then re-apply it often four times. If you don´t know what the right radius setting should be, first, pull up the amount setting to max, then adjust the radius setting untill the right details are sharpened, then lower the amount to a reasonable setting - and then use 25% of this amount and re-apply four times. Works for me! See http://www.2morrow.dk/75ppi/coolpix/actions/ for various techniques I´ve recorded, including the overlay sharpening technique. Mathias <hr SIZE="1" NOSHADE> YrbkMgr - 12:47pm Jul 23, 2002 Pacific (#6 of 68) Edited: 23-Jul-2002 at 01:48pm PST I use a technique that has delivered reliable results for me, for what it's worth... I convert the image to lab mode, and make my adjustments on the the Lightness layer (a copy really) to avoid color shifts. I basically select the glowing edges, apply a gaussian blur filter, then basically, apply the Unsharp filter. When it's finished, I convert back to RGB mode. Its not original, it's a modification of an action found in PhotoScan Factory actions found in Xchange. But it produces VERY good results for me on MOST of the stuff I do. I hope this thread keeps going as sharpening is of huge iterest to me since my work requires the removal of moire patterns. [edit] By the way, i use the high pass filter followed by fade on the textual portions of my images (black text on a white background) that have been overblurred by the gaussian blurr filter. It produces some pretty nice results for me. Tony <hr SIZE="1" NOSHADE> Lindas Graphics - 06:55pm Jul 23, 2002 Pacific (#7 of 68) Now this is getting interesting. I appreciate the elaboration. I look forward to trying your techniques and variation. Thanks Mathias and Tony. <hr SIZE="1" NOSHADE> glen deman - 07:45pm Jul 23, 2002 Pacific (#8 of 68) You can also sharpen individual channels. Try sharpening (or unsharpening, I guess it is!) the "weakest" channel of the image, or the channel with the least detail. I've found that this will often be the red channel; when you do this, you sharpen the image but avoid some of the pitfalls of sharpening, like halos and artifacts. I think I saw this in Photoshop Artistry. Glen <hr SIZE="1" NOSHADE> Danny Raphael - 09:34pm Jul 23, 2002 Pacific (#9 of 68) Edited: 23-Jul-2002 at 10:37pm PST Here's a no cost edge sharpening action that's pretty nifty. Scroll down to the BOTTOM of this page at FredMiranda.com: http://www.fredmiranda.com/Action_profilesPage/index.html <hr SIZE="1" NOSHADE> YrbkMgr - 10:57pm Jul 23, 2002 Pacific (#10 of 68) Edited: 23-Jul-2002 at 11:58pm PST Danny, I would say LOW cost, not NO cost - he's charging $8.50 for the action. Personally, I'll pass. Thanks for the link though. Peace, Tony [Edit] DOH! I didn't scroll down far enough, there's a "lite" version offered for free below the one he charges for. My mistake, sorry. <hr SIZE="1" NOSHADE> Mark Reynolds - 05:25am Jul 24, 2002 Pacific (#11 of 68) Seems fairly pointless - I can almost tell you what the $8.50 will get; you: Make an edge mask first using the Find Edges filter on an alpha channel. This can then be blurred slightly and Levels adjusted. Duplicate the base layer and run unsharp mask to taste on the duplicate. Load the alpha channel into a layer mask on the Sharpened layer. This will sharpen the edges only - very useful for skin tones where you don't want any accentuation of noise and texture. The layer mask can also be adjusted (Blur and Levels again, and Maximum ) to enhance or spread the sharpening. <hr SIZE="1" NOSHADE> Mathias Vejerslev - 06:09am Jul 24, 2002 Pacific (#12 of 68) I´m one of those that believe that Freds actions, although valuable, are not worth the money. But I know that a lot of people are willing to pay. Actually, seeing Fred charging for his actions was a major motivator for me to develop the digital deluxe action set. - Which is free ofcourse. Mathias <hr SIZE="1" NOSHADE> Don Stefanik - 12:02pm Jul 24, 2002 Pacific (#13 of 68) Edited: 24-Jul-2002 at 01:04pm PST And a great set of actions they are Mathias... I use them quite a bit. They are one of my favorites. Don <hr SIZE="1" NOSHADE> Mathias Vejerslev - 02:13pm Jul 24, 2002 Pacific (#14 of 68) Thanks Don, Only the de-noise actions are my own invention, the rest are variations of known techniques, invented by others. I just recorded and published them. Mathias <hr SIZE="1" NOSHADE> Dean Holland - 04:43pm Jul 24, 2002 Pacific (#15 of 68) An off-the-wall sharpening approach that I use very occasionally. Sometimes a subject (especially plain tones) can stand strong amounts of only the light or the dark part of the USM halo. You can separate them thus: Duplicate the layer and USM the copy (you can go slightly harder than normal). Duplicate the copy, and change the blend mode of one copy to lighten, and the other copy to darken. At 100% opacity for both copies, you have the normal effect of the USM, but by varying the opacity of these layers, you can separate the amount of lighter halo and darker halo the subject gets, allowing slightly more USM than normal without it looking too crunchy or noisy. I think I read this in Dan Margulis' Book Professional Guide to Color Correction, which has an excellent chapter on sharpening with heaps of other ideas. Warm regards, Dean [Posted from Australia] <hr SIZE="1" NOSHADE> Lindas Graphics - 05:38pm Jul 24, 2002 Pacific (#16 of 68) Very cool ideas people. I'm enjoying this and keeping notes for when I can stop long enough to experiment on different kinds of images. <hr SIZE="1" NOSHADE> Lindas Graphics - 12:17pm Jul 30, 2002 Pacific (#17 of 68) Edited: 30-Jul-2002 at 01:28pm PST I'm back and want to keep this thread alive. Re-reading your posts and think your ideas so far are interesting. The link Mathias provided also covers Noise. I think dealing with Noise goes right along with the topic of Sharpening. I welcome your comments on Noise as well. I personally try to deal with Noise channel by channel. As a rule the blue channel seems to have the most Noise. But what I find tricky is when the sharpest channel (usually green) ends up having the most Noise, which does happen sometimes. My method is to use the Median Filter on the Noisy Channel then Fade. If you do it channel by channel you cannot use Luminosity Mode though -- one advantange of correcting all the channels together. <hr SIZE="1" NOSHADE> Lindas Graphics - 01:07pm Jul 30, 2002 Pacific (#18 of 68) Edited: 30-Jul-2002 at 02:27pm PST Re Post #5: <<For web photos, I often use PS´ USM with a setting of 50, 0.3, and then re-apply it often four times. If you don´t know what the right radius setting should be, first, pull up the amount setting to max, then adjust the radius setting untill the right details are sharpened, then lower the amount to a reasonable setting - and then use 25% of this amount and re-apply four times. >> Mathias: On Web photos I'm curious why you do the sharpening in quarters instead of all at once. I assume that you do not use the Fade filter combined with Luminosity Mode. I am experimenting on a low res photo of an older person I recently took with my digital camera. I tried it both ways (all at once and in 4ths) but cannot seem to see any difference between the two methods. By the way, I'm not trying to find holes in your methods, on the contrary I think they are interesting and I'm enjoying the challenge. Oh yes, and another thing -- Your method of determining Radius is helpful. I tried that and came up with the same setting you did: .3 <hr SIZE="1" NOSHADE> Lindas Graphics - 01:44pm Jul 30, 2002 Pacific (#19 of 68) Edited: 30-Jul-2002 at 02:46pm PST Okay Tony, it's your turn. ) I'm slowing making my way down the list. Re: Post #6 << I convert the image to lab mode, and make my adjustments on the the Lightness layer (a copy really) to avoid color shifts. I basically select the glowing edges, apply a gaussian blur filter, then basically, apply the Unsharp filter. When it's finished, I convert back to RGB mode. >> Question: When you select the glowing edges, does that mean you run the Glowing Edges Filter first and then select the highlights? If so, how do you determine what settings to use for the Glowing Edges Filter? And then how do you determine what settings you use for the Gaussian Blur Filter? Just curious. One more thing: I assume you use this Lightness Channel Copy just as a means of loading the edges for the final step of running unsharp mask on the original channel, followed by deletion of this channel copy. Is this correct? <hr SIZE="1" NOSHADE> Mathias Vejerslev - 02:47pm Jul 30, 2002 Pacific (#20 of 68) Linda, I have also developed a noise action that basically medians the L+a+b channels manually, and applies a 'manual' edgemask. This action demands more selective mask editing, and more user input, but it is 'stepless' - usable on all ISO speeds. This action, which is just a classic median de-noiser with a twitch, is not published yet. The subject of noise is pretty big.. It is also interesting. Sharpen in four steps Try it on another image. You really need different sharping for each image. Examine at 200%. The edge halos in the stepped version is less pronounced. You can use this stepping method on all the classic filters and techniques for a better resampled pixel. I assume that you do not use the Fade filter combined with Luminosity Mode. I used to do that. Now I sharpen a merged layer and put this in Luminosity mode to avoid any color shifted pixels, and to keep everything neat and un-destructed. If I want, I apply an edgemask to this layer. There´s another method I use. This method is called <a href=http://www.astropix.com/HTML/J_DIGIT/USM.HTM>Real Unsharp Mask</A> (I´ve got it actionized as well). It is very nice for certain subjects and contrast enhancements. Mathias <hr SIZE="1" NOSHADE> pleader - 02:55pm Jul 30, 2002 Pacific (#21 of 68) Mathias, There was some mention of actions that you have for download. I'd like to try them. Where are they please? Regards, Victor Lee. <hr SIZE="1" NOSHADE> Mathias Vejerslev - 03:30pm Jul 30, 2002 Pacific (#22 of 68) Here: http://www.2morrow.dk/75ppi/coolpix/actions/ (I think its listed in my profile.) <hr SIZE="1" NOSHADE> Lindas Graphics - 03:40pm Jul 30, 2002 Pacific (#23 of 68) Mathias: I tried your "Real Digital Unsharp Masking" technique on the same photo I was experimenting with previously. I found at the end that the photo was considerably darker so I duplicated the original untuched layer, selected Screen Mode and lowered the opacity to 70%. Above this layer is the layer with the mask applied in Luminosity Mode, opacity lowered to 50%. Below both layers is an original untouched layer. The results are good but different from the other (4 Times) method. I can't tell which is better. Both are good. I enjoyed seeing how Unsharp Masking works this way. <hr SIZE="1" NOSHADE> Mathias Vejerslev - 03:43pm Jul 30, 2002 Pacific (#24 of 68) The luminosity switching is the big problem with RUSM. You can control it by experimenting with setting the brightness / contrast levels, and/or with a final curves adjustment layer. Mathias <hr SIZE="1" NOSHADE> Dean Holland - 03:46pm Jul 30, 2002 Pacific (#25 of 68) Mathias, I very much like the Real Unsharp Mark... like sharpening and a contrast mask in one. Linda... after hard unsharp masking, I sometimes attack the worst of the noise in shadows with the "Dust and Scratches" (D&S) filter on a duplicate of the image. Use a small radius (1-2) and very high threshold (30-60) to just zap those pixels that have gone way out of line. Use a luminosity mask to just let the D&S layer show through in the shadows, otherwise the image will be softened overall. It's similar to your median approach. Dean [posted from Australia] <hr SIZE="1" NOSHADE> Lindas Graphics - 03:50pm Jul 30, 2002 Pacific (#26 of 68) I'll give it a try Dean. <hr SIZE="1" NOSHADE> Lindas Graphics - 04:09pm Jul 30, 2002 Pacific (#27 of 68) Edited: 30-Jul-2002 at 05:13pm PST Dean: That did not work very well on the image I'm experimenting with. It seems those settings do not produce a very good blur. It actually seems to produce extra artifacts. I'm just wondering why you might have chosen those settings. When I use D&S with Radius 1, Amount 1, Luminosity Mode, Opacity 50% -- It seems to work better. <hr SIZE="1" NOSHADE> pleader - 05:59pm Jul 30, 2002 Pacific (#28 of 68) Thank you, Mathias. --Victor <hr SIZE="1" NOSHADE> Dean Holland - 08:37pm Jul 30, 2002 Pacific (#29 of 68) Linda, Ah... it's probably due to differences in medium. I'm using 4000dpi scans of 35mm film, often fairly grainy film. Your digital image probably starts off with less noise, so hard USM doesn't give you the wacky pixels that I get. Play with whatever settings seem to work best for you. Good luck! Dean [posted from Australia] <hr SIZE="1" NOSHADE> YrbkMgr - 10:12pm Jul 30, 2002 Pacific (#30 of 68) Hi Carol... RE: "Question: When you select the glowing edges, does that mean you run the Glowing Edges Filter first and then select the highlights?" Yes. "If so, how do you determine what settings to use for the Glowing Edges Filter? And then how do you determine what settings you use for the Gaussian Blur Filter? Just curious." I found an action in Adobe XChange called PhotoScan Factory that contains this technique - it's not my own. I have had to tweak the glowing edges and gaussian blur settings from time to time, but in general through trial an error have found a range of values that I like. So, I run the action with my tweaked settings, if I don't like it, I run it with the dialog boxes enabled and adjust more. In general my settings for glowing filters are: Edge Width 3 Edge Brightness 8 Smoothness 5 Then a gaussian blur of 0.9 to 1.1 is run on the lightness channel copy that had the Glowing Edges Filter run on it. Then the channel is loaded as a selection, then deleted. Finally, the glowing edges/blurred selection is Sharpened at about 180 with a radius of 2.1 and threshold of 0. After this is done, of course, it's just clean up with the lightness channel deleted and converted back to RGB mode. RE" One more thing: I assume you use this Lightness Channel Copy just as a means of loading the edges for the final step of running unsharp mask on the original channel, followed by deletion of this channel copy. Is this correct?" Exactly. I have found that by doing it this way, I experience little or no color shift as compared to most USM techniques. It is fair to point out the following. Most of my images have moire patterns - it's the nature of my work. So prior to running the sharpening procedure, the images are heavily blurred using gaussian blur (heavily =1.1 - 1.3). Since that is the case, the sharpening process I use *may* be too strong for some, but is just about perfect (or as perfect as you can get until I read another cool method in this thread <grin>) for me. I'll be reading with interest... Peace, Tony <hr SIZE="1" NOSHADE> Lindas Graphics - 07:07am Jul 31, 2002 Pacific (#31 of 68) Dean: You are probably right on target there. I'm playing around with an image that I've downsized to 72dpi. It does make a difference. Thanks! Tony: Thanks for all the helpful information. I've got work to do this morning but will come back to this conversation again when I get a breather. This is quite interesting. Linda -- not Carol ) <hr SIZE="1" NOSHADE> YrbkMgr - 01:00pm Jul 31, 2002 Pacific (#32 of 68) Linda, Linda -- not Carol ) Geeze, I'm sorry - don't know what I was thinking when I wrote that. You may herein refer to me as Dolt. Tony <hr SIZE="1" NOSHADE> Lindas Graphics - 06:36am Aug 1, 2002 Pacific (#33 of 68) LOL -- No problem Tony. I can't wait to come back to this topic as soon as I catch up on other things and can give it more attention. <hr SIZE="1" NOSHADE> Lexorin - 03:12pm Aug 1, 2002 Pacific (#34 of 68) Edited: 01-Aug-2002 at 04:17pm PST Just noticed someone already mentioned this... Convert image to LAB mode. Select the lightness channel in the channels palette. Run unsharp mask as you normally would. Revert image back to original mode. Working on just the lightness channel in lab mode keeps unsharpmask from sharpening your color values. <hr SIZE="1" NOSHADE> Lindas Graphics - 12:57pm Aug 4, 2002 Pacific (#35 of 68) It never hurts to restate something like that Lexorin. <hr SIZE="1" NOSHADE> Lindas Graphics - 08:21am Aug 6, 2002 Pacific (#36 of 68) Keeping this thread alive. Will be doing some intensive repairs to my hard drive, followed by reinstallation of software. I hope to come back to this thread when things are back to normal. <hr SIZE="1" NOSHADE> Pierre Courtejoie - 12:18am Aug 8, 2002 Pacific (#37 of 68) I found aPDF about different methods of sharpening: http://www.dimage.org/NewFiles/J.%20Winberg%20Sharpening%20Presenta tionText.pdf <hr SIZE="1" NOSHADE> YrbkMgr - 08:20am Aug 9, 2002 Pacific (#38 of 68) Pierre, That was a very nice contribution. I happen to be saving this thread as sharpening methods are extremely important. Thanks. Tony <hr SIZE="1" NOSHADE> Enrique Ivern - 11:07am Aug 9, 2002 Pacific (#39 of 68) Pierre, thanks...always useful to have a brief cookbook to consult! Not clear if you're the author...if so, thanks again, if not, thanks to the unknown author... Cheers. <hr SIZE="1" NOSHADE> vEnrique Ivern - 03:11pm Aug 12, 2002 Pacific (#40 of 68) Pierre, I just printed the whole document....thanks also then to Jack Winberg, the author. Cheers, <hr SIZE="1" NOSHADE> Pierre Courtejoie - 12:34am Aug 13, 2002 Pacific (#41 of 68) I said I've found it using Google... I'm still in the learning curve of PS (as EVERY user is ) Maybe one day... <hr SIZE="1" NOSHADE> YrbkMgr - 01:06am Aug 13, 2002 Pacific (#42 of 68) I have to say that I am having some VERY nice results from the Digital Deluxe action set, specifically the contrast masking, edge masking, and high pass sharpening. The high pass sharpening adds that "ever so little" tweak I need after my normal sharpening methods. Great Actions, Thanks! <hr SIZE="1" NOSHADE> Mathias Vejerslev - 08:37am Aug 13, 2002 Pacific (#43 of 68) You´re welcome, Tony. <hr SIZE="1" NOSHADE> Lindas Graphics - 02:59pm Aug 13, 2002 Pacific (#44 of 68) I'm so glad to see that you all are still participating. This is a nice group. Thank you Pierre for the PDF link. I'm keeping busy and so unable to continue experimenting for now, but like Tony I'm keeping this thread for future use and reference. <hr SIZE="1" NOSHADE> Lindas Graphics - 07:11pm Aug 23, 2002 Pacific (#45 of 68) Things have been hectic at this end. I have no idea when I'll have time to get back to this topic. Still, I guess I'll try to keep it alive since it contains so much good stuff. <hr SIZE="1" NOSHADE> dave milbut - 07:20pm Aug 23, 2002 Pacific (#46 of 68) I've got Kai's PT v6... has anyone had any luck with the equalizer there for sharpening? Everything seems so drastic when I use it, alot of contrast sharpening. I'd like to hear from some people who've had more luck than me 'cuz I think I'm missing something there. Thans for a great thread, also saving. dave <hr SIZE="1" NOSHADE> Lindas Graphics - 12:48pm Aug 25, 2002 Pacific (#47 of 68) I've got KPT 6 too but never used the Equalizer. I too would be interested in comments on it. So far I just keep doing the UnSharp Mask method. It works well for most normal sharpening. Specialized sharpening seems good for special needs. Noise reduction is often just as important as sharpening. What's challenging is when you have to deal with both noise and sharpening on the same photo. <hr SIZE="1" NOSHADE> dave milbut - 02:08pm Aug 25, 2002 Pacific (#48 of 68) For noise reduction (and addition), I'm really digging the beta of AlienSkin's Image Doctor. I can't wait for the full package to be released. You can get the beta from their site and play around with it. dave <hr SIZE="1" NOSHADE> Lindas Graphics - 03:59am Aug 26, 2002 Pacific (#49 of 68) Thanks Dave. <hr SIZE="1" NOSHADE> YrbkMgr - 11:05am Sep 9, 2002 Pacific (#50 of 68) I found this pretty nifty trick from Russell Browns Tips site. A very nice technique that plays as a QT movie. http://www.russellbrown.com/body.html Peace, Tony <hr SIZE="1" NOSHADE> Lindas Graphics - 04:36am Sep 14, 2002 Pacific (#51 of 68) Hi Tony. I've been busy dealing with computer problems in the middle of trying to keep my work going. I've ordered a new Mac (ducking) so hopefully I will have more time when things start running smoothly again. Thanks for the link. <hr SIZE="1" NOSHADE> YrbkMgr - 04:39am Sep 14, 2002 Pacific (#52 of 68) Linda, I too am keeping a keen eye on this thread and in fact, have made a PDF out of it since I will have to review it from time to time. Since the work we do involves removing Moire patterns, sharpening is of paramount interest <wink>. Get your new system, have some fun, then... back to work for you! <hr SIZE="1" NOSHADE> Lindas Graphics - 07:17am Sep 14, 2002 Pacific (#53 of 68) Yes Sir! ) <hr SIZE="1" NOSHADE> Pierre Courtejoie - 03:55am Sep 17, 2002 Pacific (#54 of 68) Again other Sharpening tutorials (not new) at: http://www.luminous-landscape.com/tutorials/smart_sharp.shtml an High-Pass one: http://www.luminous-landscape.com/tutorials/high-pass-sharpening.sh tml <hr SIZE="1" NOSHADE> Lindas Graphics - 06:35am Oct 1, 2002 Pacific (#55 of 68) Thanks Pierre. I'm swamped. I'll be back again. <hr SIZE="1" NOSHADE> Lindas Graphics - 06:39am Nov 28, 2002 Pacific (#58 of 68) Edited: 28-Nov-2002 at 06:42am PST Maybe some of you might like to comment on an opposite problem. I've just done a photo correction. That part was easy. Dealing with noise is the hard part. The noise is out of control. I've tried targetting individual channels as well as going into Lab Mode but not getting the best results so far. Here is a <A HREF=http://www.graphicspalmbeach.com/porfolio/burttracyjohn.html><FO NT COLOR=ROYALBLUE>link to the page</A> I posted. You can see the noise in the enlarged eyes portion. <hr SIZE="1" NOSHADE> Pierre Courtejoie - 04:16am Nov 29, 2002 Pacific (#59 of 68) Edited: 29-Nov-2002 at 04:17am PST Lindas, When I hear noise, I think about Mathia's Digital deluxe toolbox... http://www.2morrow.dk/75ppi/coolpix/actions/ there are other non-freeware package for this task... try also the demo from http://www.neatimage.com/ (stand alone program) Hey, who's the guy next to Tracy and John? (on the sharpening side, I found this: http://members.ozemail.com.au/~binaryfx/PSTV_downloads.html while searching for de-noising actions) <hr SIZE="1" NOSHADE> Mathias Vejerslev - 05:39am Nov 29, 2002 Pacific (#60 of 68) Thanks Pierre. In this case, I think NeatImage is the better choice. De-noise Deluxe is aimed at digital noise, and this seems more like film grain to me. Mathias <hr SIZE="1" NOSHADE> Lindas Graphics - 06:41am Nov 29, 2002 Pacific (#61 of 68) Edited: 29-Nov-2002 at 06:42am PST Pierre: Thank you for the links. << Who's the guy next to Tracy and John? >> You got it! ) Mathias: You're right, it is film grain. I had only a photo to work with. It was scanned on the Epson Expression 1680 at a higher resolution and then sized. <hr SIZE="1" NOSHADE> Lindas Graphics - 07:27pm Dec 15, 2002 Pacific (#62 of 68) Edited: 15-Dec-2002 at 07:27pm PST I've done more practice on noise by taking the channels apart, giving each one a major overhaul, then pasting them over the original document's channels. Trouble is, what looks good on screen looks not so wonderful when printed. I really want to improve my own PS techniques rather than use a plug-in. <hr SIZE="1" NOSHADE> Lindas Graphics - 10:21am Jan 10, 2003 Pacific (#63 of 68) Edited: 10-Jan-2003 at 10:22am PST I think Mathias' actions are pretty impressive. It's worth posting his LINK again. One day I plan to study each action step in detail. <hr SIZE="1" NOSHADE> YrbkMgr - 09:44am Jan 11, 2003 Pacific (#64 of 68) I agree with Lindas - Mathias' actions are part of a process that I use daily; although I've tweaked them a bit, his concept in sharpening, edge enhancement, and contrast masking is quite sweet. When I first downloaded his actions, I posted in a thread my thanks to him as once of them was the finishting touch that I needed. It's worth repeating the "Thanks!" Peace, Tony <hr SIZE="1" NOSHADE> Tenna Sutfin - 09:40am Jan 28, 2003 Pacific (#65 of 68) Can you send me your action for ridding yourself of moire patterns? [email protected] <hr SIZE="1" NOSHADE> End of Archived Thread

Copied from the archive, with BUMP replies weeded out. ======================================================= Lindas Graphics - 04:29am Jul 23, 2002 Pacific Discussion on favorite sharpening methods in Photoshop. I normally use Unsharp Mask, Amount: 100 / Radius: .5 / Threshold: 0 -- followed by Fade with Luminosity Mode. Recently I've started experimenting with the Hi Pass Filter. There seems to be many different tutorials on sharpening, each one's method slightly different. I'd be interested in other user's favorite methods and why. <hr SIZE="1" NOSHADE> pleader - 05:52am Jul 23, 2002 Pacific (#1 of 68) At the pro level ... well then the answer must be "it depends". Regards, Victor Lee. <hr SIZE="1" NOSHADE> Mathias Vejerslev - 07:32am Jul 23, 2002 Pacific (#2 of 68) This is a good starting point: http://www.creativepro.com/story/feature/11242.html Mathias <hr SIZE="1" NOSHADE> pleader - 07:41am Jul 23, 2002 Pacific (#3 of 68) Mathias, Thanks for that link. Another good article from Bruce. But I'm a little puzzled by "Figure 1a: Unsharpened" which to me is clearly sharpened already. Regards, Victor Lee. <hr SIZE="1" NOSHADE> Lindas Graphics - 10:32am Jul 23, 2002 Pacific (#4 of 68) Edited: 23-Jul-2002 at 11:34am PST Mathias: I remember reading that tutorial in the past but forgot where it was. Bruce Fraser is one of my favorites when it comes to Photoshop. I've printed the tutorial along with the follow-up one he did. I'm glad you posted the link. Thanks! I'm interested in the methods you people use for sharpening. Does anyone else use the High Pass Filter? <hr SIZE="1" NOSHADE> Mathias Vejerslev - 11:30am Jul 23, 2002 Pacific (#5 of 68) Linda, Yes, I do. I use the overlay sharpening technique. Sometimes. It really depends on the subject. For web photos, I often use PS´ USM with a setting of 50, 0.3, and then re-apply it often four times. If you don´t know what the right radius setting should be, first, pull up the amount setting to max, then adjust the radius setting untill the right details are sharpened, then lower the amount to a reasonable setting - and then use 25% of this amount and re-apply four times. Works for me! See http://www.2morrow.dk/75ppi/coolpix/actions/ for various techniques I´ve recorded, including the overlay sharpening technique. Mathias <hr SIZE="1" NOSHADE> YrbkMgr - 12:47pm Jul 23, 2002 Pacific (#6 of 68) Edited: 23-Jul-2002 at 01:48pm PST I use a technique that has delivered reliable results for me, for what it's worth... I convert the image to lab mode, and make my adjustments on the the Lightness layer (a copy really) to avoid color shifts. I basically select the glowing edges, apply a gaussian blur filter, then basically, apply the Unsharp filter. When it's finished, I convert back to RGB mode. Its not original, it's a modification of an action found in PhotoScan Factory actions found in Xchange. But it produces VERY good results for me on MOST of the stuff I do. I hope this thread keeps going as sharpening is of huge iterest to me since my work requires the removal of moire patterns. [edit] By the way, i use the high pass filter followed by fade on the textual portions of my images (black text on a white background) that have been overblurred by the gaussian blurr filter. It produces some pretty nice results for me. Tony <hr SIZE="1" NOSHADE> Lindas Graphics - 06:55pm Jul 23, 2002 Pacific (#7 of 68) Now this is getting interesting. I appreciate the elaboration. I look forward to trying your techniques and variation. Thanks Mathias and Tony. <hr SIZE="1" NOSHADE> glen deman - 07:45pm Jul 23, 2002 Pacific (#8 of 68) You can also sharpen individual channels. Try sharpening (or unsharpening, I guess it is!) the "weakest" channel of the image, or the channel with the least detail. I've found that this will often be the red channel; when you do this, you sharpen the image but avoid some of the pitfalls of sharpening, like halos and artifacts. I think I saw this in Photoshop Artistry. Glen <hr SIZE="1" NOSHADE> Danny Raphael - 09:34pm Jul 23, 2002 Pacific (#9 of 68) Edited: 23-Jul-2002 at 10:37pm PST Here's a no cost edge sharpening action that's pretty nifty. Scroll down to the BOTTOM of this page at FredMiranda.com: http://www.fredmiranda.com/Action_profilesPage/index.html <hr SIZE="1" NOSHADE> YrbkMgr - 10:57pm Jul 23, 2002 Pacific (#10 of 68) Edited: 23-Jul-2002 at 11:58pm PST Danny, I would say LOW cost, not NO cost - he's charging $8.50 for the action. Personally, I'll pass. Thanks for the link though. Peace, Tony [Edit] DOH! I didn't scroll down far enough, there's a "lite" version offered for free below the one he charges for. My mistake, sorry. <hr SIZE="1" NOSHADE> Mark Reynolds - 05:25am Jul 24, 2002 Pacific (#11 of 68) Seems fairly pointless - I can almost tell you what the $8.50 will get; you: Make an edge mask first using the Find Edges filter on an alpha channel. This can then be blurred slightly and Levels adjusted. Duplicate the base layer and run unsharp mask to taste on the duplicate. Load the alpha channel into a layer mask on the Sharpened layer. This will sharpen the edges only - very useful for skin tones where you don't want any accentuation of noise and texture. The layer mask can also be adjusted (Blur and Levels again, and Maximum ) to enhance or spread the sharpening. <hr SIZE="1" NOSHADE> Mathias Vejerslev - 06:09am Jul 24, 2002 Pacific (#12 of 68) I´m one of those that believe that Freds actions, although valuable, are not worth the money. But I know that a lot of people are willing to pay. Actually, seeing Fred charging for his actions was a major motivator for me to develop the digital deluxe action set. - Which is free ofcourse. Mathias <hr SIZE="1" NOSHADE> Don Stefanik - 12:02pm Jul 24, 2002 Pacific (#13 of 68) Edited: 24-Jul-2002 at 01:04pm PST And a great set of actions they are Mathias... I use them quite a bit. They are one of my favorites. Don <hr SIZE="1" NOSHADE> Mathias Vejerslev - 02:13pm Jul 24, 2002 Pacific (#14 of 68) Thanks Don, Only the de-noise actions are my own invention, the rest are variations of known techniques, invented by others. I just recorded and published them. Mathias <hr SIZE="1" NOSHADE> Dean Holland - 04:43pm Jul 24, 2002 Pacific (#15 of 68) An off-the-wall sharpening approach that I use very occasionally. Sometimes a subject (especially plain tones) can stand strong amounts of only the light or the dark part of the USM halo. You can separate them thus: Duplicate the layer and USM the copy (you can go slightly harder than normal). Duplicate the copy, and change the blend mode of one copy to lighten, and the other copy to darken. At 100% opacity for both copies, you have the normal effect of the USM, but by varying the opacity of these layers, you can separate the amount of lighter halo and darker halo the subject gets, allowing slightly more USM than normal without it looking too crunchy or noisy. I think I read this in Dan Margulis' Book Professional Guide to Color Correction, which has an excellent chapter on sharpening with heaps of other ideas. Warm regards, Dean [Posted from Australia] <hr SIZE="1" NOSHADE> Lindas Graphics - 05:38pm Jul 24, 2002 Pacific (#16 of 68) Very cool ideas people. I'm enjoying this and keeping notes for when I can stop long enough to experiment on different kinds of images. <hr SIZE="1" NOSHADE> Lindas Graphics - 12:17pm Jul 30, 2002 Pacific (#17 of 68) Edited: 30-Jul-2002 at 01:28pm PST I'm back and want to keep this thread alive. Re-reading your posts and think your ideas so far are interesting. The link Mathias provided also covers Noise. I think dealing with Noise goes right along with the topic of Sharpening. I welcome your comments on Noise as well. I personally try to deal with Noise channel by channel. As a rule the blue channel seems to have the most Noise. But what I find tricky is when the sharpest channel (usually green) ends up having the most Noise, which does happen sometimes. My method is to use the Median Filter on the Noisy Channel then Fade. If you do it channel by channel you cannot use Luminosity Mode though -- one advantange of correcting all the channels together. <hr SIZE="1" NOSHADE> Lindas Graphics - 01:07pm Jul 30, 2002 Pacific (#18 of 68) Edited: 30-Jul-2002 at 02:27pm PST Re Post #5: <<For web photos, I often use PS´ USM with a setting of 50, 0.3, and then re-apply it often four times. If you don´t know what the right radius setting should be, first, pull up the amount setting to max, then adjust the radius setting untill the right details are sharpened, then lower the amount to a reasonable setting - and then use 25% of this amount and re-apply four times. >> Mathias: On Web photos I'm curious why you do the sharpening in quarters instead of all at once. I assume that you do not use the Fade filter combined with Luminosity Mode. I am experimenting on a low res photo of an older person I recently took with my digital camera. I tried it both ways (all at once and in 4ths) but cannot seem to see any difference between the two methods. By the way, I'm not trying to find holes in your methods, on the contrary I think they are interesting and I'm enjoying the challenge. Oh yes, and another thing -- Your method of determining Radius is helpful. I tried that and came up with the same setting you did: .3 <hr SIZE="1" NOSHADE> Lindas Graphics - 01:44pm Jul 30, 2002 Pacific (#19 of 68) Edited: 30-Jul-2002 at 02:46pm PST Okay Tony, it's your turn. ) I'm slowing making my way down the list. Re: Post #6 << I convert the image to lab mode, and make my adjustments on the the Lightness layer (a copy really) to avoid color shifts. I basically select the glowing edges, apply a gaussian blur filter, then basically, apply the Unsharp filter. When it's finished, I convert back to RGB mode. >> Question: When you select the glowing edges, does that mean you run the Glowing Edges Filter first and then select the highlights? If so, how do you determine what settings to use for the Glowing Edges Filter? And then how do you determine what settings you use for the Gaussian Blur Filter? Just curious. One more thing: I assume you use this Lightness Channel Copy just as a means of loading the edges for the final step of running unsharp mask on the original channel, followed by deletion of this channel copy. Is this correct? <hr SIZE="1" NOSHADE> Mathias Vejerslev - 02:47pm Jul 30, 2002 Pacific (#20 of 68) Linda, I have also developed a noise action that basically medians the L+a+b channels manually, and applies a 'manual' edgemask. This action demands more selective mask editing, and more user input, but it is 'stepless' - usable on all ISO speeds. This action, which is just a classic median de-noiser with a twitch, is not published yet. The subject of noise is pretty big.. It is also interesting. Sharpen in four steps Try it on another image. You really need different sharping for each image. Examine at 200%. The edge halos in the stepped version is less pronounced. You can use this stepping method on all the classic filters and techniques for a better resampled pixel. I assume that you do not use the Fade filter combined with Luminosity Mode. I used to do that. Now I sharpen a merged layer and put this in Luminosity mode to avoid any color shifted pixels, and to keep everything neat and un-destructed. If I want, I apply an edgemask to this layer. There´s another method I use. This method is called <a href=http://www.astropix.com/HTML/J_DIGIT/USM.HTM>Real Unsharp Mask</A> (I´ve got it actionized as well). It is very nice for certain subjects and contrast enhancements. Mathias <hr SIZE="1" NOSHADE> pleader - 02:55pm Jul 30, 2002 Pacific (#21 of 68) Mathias, There was some mention of actions that you have for download. I'd like to try them. Where are they please? Regards, Victor Lee. <hr SIZE="1" NOSHADE> Mathias Vejerslev - 03:30pm Jul 30, 2002 Pacific (#22 of 68) Here: http://www.2morrow.dk/75ppi/coolpix/actions/ (I think its listed in my profile.) <hr SIZE="1" NOSHADE> Lindas Graphics - 03:40pm Jul 30, 2002 Pacific (#23 of 68) Mathias: I tried your "Real Digital Unsharp Masking" technique on the same photo I was experimenting with previously. I found at the end that the photo was considerably darker so I duplicated the original untuched layer, selected Screen Mode and lowered the opacity to 70%. Above this layer is the layer with the mask applied in Luminosity Mode, opacity lowered to 50%. Below both layers is an original untouched layer. The results are good but different from the other (4 Times) method. I can't tell which is better. Both are good. I enjoyed seeing how Unsharp Masking works this way. <hr SIZE="1" NOSHADE> Mathias Vejerslev - 03:43pm Jul 30, 2002 Pacific (#24 of 68) The luminosity switching is the big problem with RUSM. You can control it by experimenting with setting the brightness / contrast levels, and/or with a final curves adjustment layer. Mathias <hr SIZE="1" NOSHADE> Dean Holland - 03:46pm Jul 30, 2002 Pacific (#25 of 68) Mathias, I very much like the Real Unsharp Mark... like sharpening and a contrast mask in one. Linda... after hard unsharp masking, I sometimes attack the worst of the noise in shadows with the "Dust and Scratches" (D&S) filter on a duplicate of the image. Use a small radius (1-2) and very high threshold (30-60) to just zap those pixels that have gone way out of line. Use a luminosity mask to just let the D&S layer show through in the shadows, otherwise the image will be softened overall. It's similar to your median approach. Dean [posted from Australia] <hr SIZE="1" NOSHADE> Lindas Graphics - 03:50pm Jul 30, 2002 Pacific (#26 of 68) I'll give it a try Dean. <hr SIZE="1" NOSHADE> Lindas Graphics - 04:09pm Jul 30, 2002 Pacific (#27 of 68) Edited: 30-Jul-2002 at 05:13pm PST Dean: That did not work very well on the image I'm experimenting with. It seems those settings do not produce a very good blur. It actually seems to produce extra artifacts. I'm just wondering why you might have chosen those settings. When I use D&S with Radius 1, Amount 1, Luminosity Mode, Opacity 50% -- It seems to work better. <hr SIZE="1" NOSHADE> pleader - 05:59pm Jul 30, 2002 Pacific (#28 of 68) Thank you, Mathias. --Victor <hr SIZE="1" NOSHADE> Dean Holland - 08:37pm Jul 30, 2002 Pacific (#29 of 68) Linda, Ah... it's probably due to differences in medium. I'm using 4000dpi scans of 35mm film, often fairly grainy film. Your digital image probably starts off with less noise, so hard USM doesn't give you the wacky pixels that I get. Play with whatever settings seem to work best for you. Good luck! Dean [posted from Australia] <hr SIZE="1" NOSHADE> YrbkMgr - 10:12pm Jul 30, 2002 Pacific (#30 of 68) Hi Carol... RE: "Question: When you select the glowing edges, does that mean you run the Glowing Edges Filter first and then select the highlights?" Yes. "If so, how do you determine what settings to use for the Glowing Edges Filter? And then how do you determine what settings you use for the Gaussian Blur Filter? Just curious." I found an action in Adobe XChange called PhotoScan Factory that contains this technique - it's not my own. I have had to tweak the glowing edges and gaussian blur settings from time to time, but in general through trial an error have found a range of values that I like. So, I run the action with my tweaked settings, if I don't like it, I run it with the dialog boxes enabled and adjust more. In general my settings for glowing filters are: Edge Width 3 Edge Brightness 8 Smoothness 5 Then a gaussian blur of 0.9 to 1.1 is run on the lightness channel copy that had the Glowing Edges Filter run on it. Then the channel is loaded as a selection, then deleted. Finally, the glowing edges/blurred selection is Sharpened at about 180 with a radius of 2.1 and threshold of 0. After this is done, of course, it's just clean up with the lightness channel deleted and converted back to RGB mode. RE" One more thing: I assume you use this Lightness Channel Copy just as a means of loading the edges for the final step of running unsharp mask on the original channel, followed by deletion of this channel copy. Is this correct?" Exactly. I have found that by doing it this way, I experience little or no color shift as compared to most USM techniques. It is fair to point out the following. Most of my images have moire patterns - it's the nature of my work. So prior to running the sharpening procedure, the images are heavily blurred using gaussian blur (heavily =1.1 - 1.3). Since that is the case, the sharpening process I use *may* be too strong for some, but is just about perfect (or as perfect as you can get until I read another cool method in this thread <grin>) for me. I'll be reading with interest... Peace, Tony <hr SIZE="1" NOSHADE> Lindas Graphics - 07:07am Jul 31, 2002 Pacific (#31 of 68) Dean: You are probably right on target there. I'm playing around with an image that I've downsized to 72dpi. It does make a difference. Thanks! Tony: Thanks for all the helpful information. I've got work to do this morning but will come back to this conversation again when I get a breather. This is quite interesting. Linda -- not Carol ) <hr SIZE="1" NOSHADE> YrbkMgr - 01:00pm Jul 31, 2002 Pacific (#32 of 68) Linda, Linda -- not Carol ) Geeze, I'm sorry - don't know what I was thinking when I wrote that. You may herein refer to me as Dolt. Tony <hr SIZE="1" NOSHADE> Lindas Graphics - 06:36am Aug 1, 2002 Pacific (#33 of 68) LOL -- No problem Tony. I can't wait to come back to this topic as soon as I catch up on other things and can give it more attention. <hr SIZE="1" NOSHADE> Lexorin - 03:12pm Aug 1, 2002 Pacific (#34 of 68) Edited: 01-Aug-2002 at 04:17pm PST Just noticed someone already mentioned this... Convert image to LAB mode. Select the lightness channel in the channels palette. Run unsharp mask as you normally would. Revert image back to original mode. Working on just the lightness channel in lab mode keeps unsharpmask from sharpening your color values. <hr SIZE="1" NOSHADE> Lindas Graphics - 12:57pm Aug 4, 2002 Pacific (#35 of 68) It never hurts to restate something like that Lexorin. <hr SIZE="1" NOSHADE> Lindas Graphics - 08:21am Aug 6, 2002 Pacific (#36 of 68) Keeping this thread alive. Will be doing some intensive repairs to my hard drive, followed by reinstallation of software. I hope to come back to this thread when things are back to normal. <hr SIZE="1" NOSHADE> Pierre Courtejoie - 12:18am Aug 8, 2002 Pacific (#37 of 68) I found aPDF about different methods of sharpening: http://www.dimage.org/NewFiles/J.%20Winberg%20Sharpening%20Presenta tionText.pdf <hr SIZE="1" NOSHADE> YrbkMgr - 08:20am Aug 9, 2002 Pacific (#38 of 68) Pierre, That was a very nice contribution. I happen to be saving this thread as sharpening methods are extremely important. Thanks. Tony <hr SIZE="1" NOSHADE> Enrique Ivern - 11:07am Aug 9, 2002 Pacific (#39 of 68) Pierre, thanks...always useful to have a brief cookbook to consult! Not clear if you're the author...if so, thanks again, if not, thanks to the unknown author... Cheers. <hr SIZE="1" NOSHADE> vEnrique Ivern - 03:11pm Aug 12, 2002 Pacific (#40 of 68) Pierre, I just printed the whole document....thanks also then to Jack Winberg, the author. Cheers, <hr SIZE="1" NOSHADE> Pierre Courtejoie - 12:34am Aug 13, 2002 Pacific (#41 of 68) I said I've found it using Google... I'm still in the learning curve of PS (as EVERY user is ) Maybe one day... <hr SIZE="1" NOSHADE> YrbkMgr - 01:06am Aug 13, 2002 Pacific (#42 of 68) I have to say that I am having some VERY nice results from the Digital Deluxe action set, specifically the contrast masking, edge masking, and high pass sharpening. The high pass sharpening adds that "ever so little" tweak I need after my normal sharpening methods. Great Actions, Thanks! <hr SIZE="1" NOSHADE> Mathias Vejerslev - 08:37am Aug 13, 2002 Pacific (#43 of 68) You´re welcome, Tony. <hr SIZE="1" NOSHADE> Lindas Graphics - 02:59pm Aug 13, 2002 Pacific (#44 of 68) I'm so glad to see that you all are still participating. This is a nice group. Thank you Pierre for the PDF link. I'm keeping busy and so unable to continue experimenting for now, but like Tony I'm keeping this thread for future use and reference. <hr SIZE="1" NOSHADE> Lindas Graphics - 07:11pm Aug 23, 2002 Pacific (#45 of 68) Things have been hectic at this end. I have no idea when I'll have time to get back to this topic. Still, I guess I'll try to keep it alive since it contains so much good stuff. <hr SIZE="1" NOSHADE> dave milbut - 07:20pm Aug 23, 2002 Pacific (#46 of 68) I've got Kai's PT v6... has anyone had any luck with the equalizer there for sharpening? Everything seems so drastic when I use it, alot of contrast sharpening. I'd like to hear from some people who've had more luck than me 'cuz I think I'm missing something there. Thans for a great thread, also saving. dave <hr SIZE="1" NOSHADE> Lindas Graphics - 12:48pm Aug 25, 2002 Pacific (#47 of 68) I've got KPT 6 too but never used the Equalizer. I too would be interested in comments on it. So far I just keep doing the UnSharp Mask method. It works well for most normal sharpening. Specialized sharpening seems good for special needs. Noise reduction is often just as important as sharpening. What's challenging is when you have to deal with both noise and sharpening on the same photo. <hr SIZE="1" NOSHADE> dave milbut - 02:08pm Aug 25, 2002 Pacific (#48 of 68) For noise reduction (and addition), I'm really digging the beta of AlienSkin's Image Doctor. I can't wait for the full package to be released. You can get the beta from their site and play around with it. dave <hr SIZE="1" NOSHADE> Lindas Graphics - 03:59am Aug 26, 2002 Pacific (#49 of 68) Thanks Dave. <hr SIZE="1" NOSHADE> YrbkMgr - 11:05am Sep 9, 2002 Pacific (#50 of 68) I found this pretty nifty trick from Russell Browns Tips site. A very nice technique that plays as a QT movie. http://www.russellbrown.com/body.html Peace, Tony <hr SIZE="1" NOSHADE> Lindas Graphics - 04:36am Sep 14, 2002 Pacific (#51 of 68) Hi Tony. I've been busy dealing with computer problems in the middle of trying to keep my work going. I've ordered a new Mac (ducking) so hopefully I will have more time when things start running smoothly again. Thanks for the link. <hr SIZE="1" NOSHADE> YrbkMgr - 04:39am Sep 14, 2002 Pacific (#52 of 68) Linda, I too am keeping a keen eye on this thread and in fact, have made a PDF out of it since I will have to review it from time to time. Since the work we do involves removing Moire patterns, sharpening is of paramount interest <wink>. Get your new system, have some fun, then... back to work for you! <hr SIZE="1" NOSHADE> Lindas Graphics - 07:17am Sep 14, 2002 Pacific (#53 of 68) Yes Sir! ) <hr SIZE="1" NOSHADE> Pierre Courtejoie - 03:55am Sep 17, 2002 Pacific (#54 of 68) Again other Sharpening tutorials (not new) at: http://www.luminous-landscape.com/tutorials/smart_sharp.shtml an High-Pass one: http://www.luminous-landscape.com/tutorials/high-pass-sharpening.sh tml <hr SIZE="1" NOSHADE> Lindas Graphics - 06:35am Oct 1, 2002 Pacific (#55 of 68) Thanks Pierre. I'm swamped. I'll be back again. <hr SIZE="1" NOSHADE> Lindas Graphics - 06:39am Nov 28, 2002 Pacific (#58 of 68) Edited: 28-Nov-2002 at 06:42am PST Maybe some of you might like to comment on an opposite problem. I've just done a photo correction. That part was easy. Dealing with noise is the hard part. The noise is out of control. I've tried targetting individual channels as well as going into Lab Mode but not getting the best results so far. Here is a <A HREF=http://www.graphicspalmbeach.com/porfolio/burttracyjohn.html><FO NT COLOR=ROYALBLUE>link to the page</A> I posted. You can see the noise in the enlarged eyes portion. <hr SIZE="1" NOSHADE> Pierre Courtejoie - 04:16am Nov 29, 2002 Pacific (#59 of 68) Edited: 29-Nov-2002 at 04:17am PST Lindas, When I hear noise, I think about Mathia's Digital deluxe toolbox... http://www.2morrow.dk/75ppi/coolpix/actions/ there are other non-freeware package for this task... try also the demo from http://www.neatimage.com/ (stand alone program) Hey, who's the guy next to Tracy and John? (on the sharpening side, I found this: http://members.ozemail.com.au/~binaryfx/PSTV_downloads.html while searching for de-noising actions) <hr SIZE="1" NOSHADE> Mathias Vejerslev - 05:39am Nov 29, 2002 Pacific (#60 of 68) Thanks Pierre. In this case, I think NeatImage is the better choice. De-noise Deluxe is aimed at digital noise, and this seems more like film grain to me. Mathias <hr SIZE="1" NOSHADE> Lindas Graphics - 06:41am Nov 29, 2002 Pacific (#61 of 68) Edited: 29-Nov-2002 at 06:42am PST Pierre: Thank you for the links. << Who's the guy next to Tracy and John? >> You got it! ) Mathias: You're right, it is film grain. I had only a photo to work with. It was scanned on the Epson Expression 1680 at a higher resolution and then sized. <hr SIZE="1" NOSHADE> Lindas Graphics - 07:27pm Dec 15, 2002 Pacific (#62 of 68) Edited: 15-Dec-2002 at 07:27pm PST I've done more practice on noise by taking the channels apart, giving each one a major overhaul, then pasting them over the original document's channels. Trouble is, what looks good on screen looks not so wonderful when printed. I really want to improve my own PS techniques rather than use a plug-in. <hr SIZE="1" NOSHADE> Lindas Graphics - 10:21am Jan 10, 2003 Pacific (#63 of 68) Edited: 10-Jan-2003 at 10:22am PST I think Mathias' actions are pretty impressive. It's worth posting his LINK again. One day I plan to study each action step in detail. <hr SIZE="1" NOSHADE> YrbkMgr - 09:44am Jan 11, 2003 Pacific (#64 of 68) I agree with Lindas - Mathias' actions are part of a process that I use daily; although I've tweaked them a bit, his concept in sharpening, edge enhancement, and contrast masking is quite sweet. When I first downloaded his actions, I posted in a thread my thanks to him as once of them was the finishting touch that I needed. It's worth repeating the "Thanks!" Peace, Tony <hr SIZE="1" NOSHADE> Tenna Sutfin - 09:40am Jan 28, 2003 Pacific (#65 of 68) Can you send me your action for ridding yourself of moire patterns? [email protected] <hr SIZE="1" NOSHADE> End of Archived Thread

Could anyone point me to a beginners guide to code in XCode?

I am going to learn how to code, and I am using the lastest version of xCode.
If someone could point me to a guide for total beginners, that would very helpful to me!

http://www.raywenderlich.com/ - Sign up for his free monthly newsletter (sidebar on the right) and you get a free copy of The iOS Apprentice - Part 1. He also has a lot of other free tutorials posted there as well. Highly recommended, I'm working through some of them right now!

HOW TO CREATE A KEYWORD SEARCH FORM

Hi, I'm creating a image gallery and I'm about 90% complete. One of my final objectives is to create a keyword search for my image gallery. I have 4 fields in my DB, (id,image,description,keywords) I want to be able to enter keywords into the text field and the images with there descriptions show up. I already have the keywords in my mysql, I already know how to use mysql, I just need to learn how to add a search form that pulls keywords from my mysql. THIS DOES NOT REQUIRE ANY CODE so please do not respond with code. I just need a step by step on what type of form to insert, (dynamic text field or text field) what paramaters to pass etc. NO CODE, this whole thing can be done in design veiw.
For this project I'm using Dreamweaver Cs5, I'm not really an experienced coder I rely heavily on dreamweaver for my code, I just make minor tweaks. So if anyone has an answer to my problem please break down and simplify your answer I'm still a beginner. Thanks in advance.
ps
If anyone knows of any other video tutorials of this process please inform me, it would be greatly appreciated, thank you.(not php acedemies)

This is helpfull but I'm still running in to some problems. I believe everything on my search page is correct, I think it's my results page thats giving me issues. When I view my search page in firefox and type in a keyword in the text field, when the results page loads all I get is the field names of DB table (id,layouts,desription,key_words) instead of the actual data...??
On my search page in the action box I have my results page "search_results.php". In the method box I have "GET". On my "search_ruselts.php" page I created a recordset, selected all columns, and filtered "key_words". (im not sure if I filtered correctly) I placed this in a dynamic table. Where did I go wrong?
this is my code if it helps any
search page:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<form id="form1" name="form1" method="get" action="search_results.php">
<label for="textfield"></label>
<input type="text" name="textfield" id="textfield" />
<input type="submit" name="button" id="button" value="Submit" />
</form>
</body>
</html>
results page:
<?php require_once('Connections/test_db.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
if (PHP_VERSION < 6) {
 $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($theType) {
 case "text":
 $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
 break;
 case "long":
 case "int":
 $theValue = ($theValue != "") ? intval($theValue) : "NULL";
 break;
 case "double":
 $theValue = ($theValue != "") ? doubleval($theValue) : "NULL";
 break;
 case "date":
 $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
 break;
 case "defined":
 $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
 break;
return $theValue;
$maxRows_Recordset1 = 10;
$pageNum_Recordset1 = 0;
if (isset($_GET['pageNum_Recordset1'])) {
$pageNum_Recordset1 = $_GET['pageNum_Recordset1'];
$startRow_Recordset1 = $pageNum_Recordset1 * $maxRows_Recordset1;
$colname_Recordset1 = "-1";
if (isset($_GET['key_words'])) {
$colname_Recordset1 = $_GET['key_words'];
mysql_select_db($database_test_db, $test_db);
$query_Recordset1 = sprintf("SELECT * FROM images2 WHERE key_words = %s ORDER BY id DESC", GetSQLValueString($colname_Recordset1, "text"));
$query_limit_Recordset1 = sprintf("%s LIMIT %d, %d", $query_Recordset1, $startRow_Recordset1, $maxRows_Recordset1);
$Recordset1 = mysql_query($query_limit_Recordset1, $test_db) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
if (isset($_GET['totalRows_Recordset1'])) {
$totalRows_Recordset1 = $_GET['totalRows_Recordset1'];
} else {
$all_Recordset1 = mysql_query($query_Recordset1);
$totalRows_Recordset1 = mysql_num_rows($all_Recordset1);
$totalPages_Recordset1 = ceil($totalRows_Recordset1/$maxRows_Recordset1)-1;
$colname_Recordset2 = "-1";
if (isset($_GET['id'])) {
$colname_Recordset2 = $_GET['id'];
mysql_select_db($database_test_db, $test_db);
$query_Recordset2 = sprintf("SELECT * FROM images2 WHERE id = %s ORDER BY id DESC", GetSQLValueString($colname_Recordset2, "int"));
$Recordset2 = mysql_query($query_Recordset2, $test_db) or die(mysql_error());
$row_Recordset2 = mysql_fetch_assoc($Recordset2);
$totalRows_Recordset2 = mysql_num_rows($Recordset2);
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<table cellpadding="4" cellspacing="4">
<tr>
 <td>id</td>
 <td>Layouts</td>
 <td>Descriptions</td>
 <td>key_words</td>
</tr>
<?php do { ?>
 <tr>
 <td><?php echo $row_Recordset1['id']; ?></td>
 <td><?php echo $row_Recordset1['Layouts']; ?></td>
 <td><?php echo $row_Recordset1['Descriptions']; ?></td>
 <td><?php echo $row_Recordset1['key_words']; ?></td>
 </tr>
 <?php } while ($row_Recordset1 = mysql_fetch_assoc($Recordset1)); ?>
</table>
</body>
</html>
<?php
mysql_free_result($Recordset1);
mysql_free_result($Recordset2);
?>

Differences between the actual finished logo and the one in the tutorial

Hi! I recently got Adobe Illustrator CC and started using it, but I have a few problems.
I pretty much watched the whole tutorial wanting to find out how to make the dotted line box inside the orange shape at the center. It was never shown, so I do want to know how to make that.
Also, the pictured logo has some messy stripes thing in the back shield symbol, which has normal stripes in Illustrator and in the tutorial. Does anyone know how to make that messy, artisticky effect?
Any help and advice is appreciated! Thank you!!

Hi amyhoang97,
We have a video tutorial in the Illustrator Learn show on the Creative Cloud that walks you through creating dotted lines and dashed strokes. It's titled Creating dashed strokes, and it's located in the Fundamentals section under Creating artwork.
Once you've mastered this, experiement with using some of the techniques and effects shown in the video, "Spicing up your design with effects," in the How to design a logo with Illustrator tutorial project that you just completed.
When you're ready, you can move on to watching other video tutorials under these headings in the Fundamentals section: Creating artwork and Brushes.
Have fun experimenting!
- Rita Amladi

Swf files do not load correctly anymore...

I maintain a site with many online tutorials (www.edutorials.gr) that i record with various desktop recording software and export them in swf format. The last few months some of these tutorials do not load correctly, and freeze after few seconds.
These swf tutorials originally played ok (Few months ago)
The other swf tutorials continue to play ok
I used the same software for recording and exporting in swf format most of the tutorials for the site
I have tried to open the problematic swf files with various browsers and flash players (both on line and locally in my pc) and they always behave the same
Here is (http://edutorials.gr/drupal-admin-settings1) a swf file that freezes and
Here is (http://edutorials.gr/gimp-fire-smoke) another one that continues to behave ok
Any ideas why this happens? I don't have a clue

Maybe the .swf files have become corrupted. Have you tried replacing the files on the server? If you pull the file from the server and play it locally does it play correctly?

Toplink app works without oc4j,fails with security excp. in oc4j[SOLVED]

OS: Windows XP
jdk version: 1.5.0.04 (installed normally with windows installer, no tampering)
JDeveloper version: 10.1.3.2.0 (base installation)
I'm new to JDeveloper and I'm working on SRDemo application from online ADF tutorial under JDeveloper. After 6th chapter I tried to run the app with embedded oc4j. After a login to app i got a toplink exception caused by a security exception. I've tried toplink part of the application with a standalone client it works without this strange problem. Also other toplink tutorials that i have work without oc4j.
The exception is this:
Note: some messages were in Turkish, so I (partly) translated them, they may not match original english messages
[TopLink Info]: 2007.07.06 10:52:31.312--ServerSession(29560314)--Thread(Thread[HTTPThreadGroup-4,5,HTTPThreadGroup])--TopLink, sürüm: Oracle TopLink - 10g Release 3 (10.1.3.1.0) (Build 061004)
[TopLink Config]: 2007.07.06 10:52:31.328--ServerSession(29560314)--Connection(27524709)--Thread(Thread[HTTPThreadGroup-4,5,HTTPThreadGroup])--connected(DatabaseLogin(
     platform=>Oracle10Platform
     user name=> "SRDEMO"
     data source url=> "jdbc:oracle:thin:@localhost:1521:XE"
[TopLink Severe]: 2007.07.06 10:52:31.343--ServerSession(29560314)--Thread(Thread[HTTPThreadGroup-4,5,HTTPThreadGroup])--Local Exception Stack:
Exception[TOPLINK-7107] (Oracle TopLink - 10g Release 3 (10.1.3.1.0) (Build 061004)): oracle.toplink.exceptions.ValidationException
Exception message: Error in decrypting .....
Caused by: java.security.NoSuchAlgorithmException: Algorithm DES not available      at oracle.toplink.exceptions.ValidationException.errorDecryptingPassword(ValidationException.java:587)
     at oracle.toplink.internal.security.JCEEncryptor.decryptPassword(JCEEncryptor.java:94)
     at oracle.toplink.sessions.DatasourceLogin.prepareProperties(DatasourceLogin.java:296)
     at oracle.toplink.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:147)
     at oracle.toplink.internal.databaseaccess.DatasourceAccessor.connect(DatasourceAccessor.java:197)
...(the stack goes on followed by below causes)
Caused by: java.security.NoSuchAlgorithmException: Algorithm DES not available
     at javax.crypto.SunJCE_b.a(DashoA12275)
     at javax.crypto.SecretKeyFactory.getInstance(DashoA12275)
     at oracle.toplink.internal.security.JCEEncryptor$Synergizer.getMultitasker(JCEEncryptor.java:104)
     at oracle.toplink.internal.security.JCEEncryptor.decryptPassword(JCEEncryptor.java:74)
     ... 117 more
Caused by: java.security.NoSuchAlgorithmException: Error constructing implementation (algorithm: DES, provider: SunJCE, class: com.sun.crypto.provider.DESKeyFactory)
     at java.security.Provider$Service.newInstance(Provider.java:1155)
     at sun.security.jca.GetInstance.getInstance(GetInstance.java:220)
     ... 121 more
Caused by: java.lang.SecurityException: class "com.sun.crypto.provider.DESKeyFactory"'s signer information does not match signer information of other classes in the same package
     at java.lang.ClassLoader.checkCerts(ClassLoader.java:775)
     at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
     at java.lang.ClassLoader.defineClass(ClassLoader.java:614)
     at oracle.classloader.PolicyClassLoader.defineClass(PolicyClassLoader.java:2241)
     at oracle.classloader.PolicyClassLoader.findLocalClass(PolicyClassLoader.java:1462)
     at oracle.classloader.SearchPolicy$FindLocal.getClass(SearchPolicy.java:167)
     at oracle.classloader.SearchSequence.getClass(SearchSequence.java:119)
     at oracle.classloader.PolicyClassLoader.internalLoadClass(PolicyClassLoader.java:1674)
     at oracle.classloader.PolicyClassLoader.loadClass(PolicyClassLoader.java:1635)
     at oracle.classloader.PolicyClassLoader.loadClass(PolicyClassLoader.java:1620)
     at java.security.Provider$Service.getImplClass(Provider.java:1172)
     at java.security.Provider$Service.newInstance(Provider.java:1129)
     ... 122 more
This happens when i run toplink project inside oc4j, with a normal java client outside oc4j it works.
The strange thing is the root cause of the problem (the exception complaining about signer) . If the root cause of this problem was really correct system wide, neither security code samples nor the standalone client that i tried would have worked.
Only similiar issue I've found on the net is a problem that occured under eclipse due to a bug in previous versions of jce, but it seems this is no longer an issue.
No one other than me seems to have this problem, so this implies a problem with my system, but the root exception about signer information (which is not correct) says there is something wrong with toplink/oc4j runtime or there is some subtle bug.
I am trying to download another jdk1.5 version to see if this is a subtle bug of java-1.5.0.04 and oc4j, but either sun servers or my isp has a problem because the download is in the order of bytes and fails all the time.
I think there can be a problem with the java2.policy file under oc4j config dir, but i don't know if it is really used and necessary or not.
I don't know much about oc4j config so i need some help to proceed. thanks in advance
Message was edited by:
identityunknown

Sorry, I tried something that I should have tried before posting, that gives another information about my problem.
when i use standalone oc4j using start_oc4j.bat under jdev/bin, I also get the same security exception stack (nothing deployed to server) during server initialization. the default java command in start_oc4j.bat is this:
OC4J_OPTS=
VM_OPTS=-XX:MaxPermSize=256m
JAVA_COMMAND="%JAVA_HOME%\bin\java.exe" %VM_OPTS% -jar oc4j.jar %OC4J_OPTS%
if I change the command to this:
OC4J_OPTS=
VM_OPTS=-XX:MaxPermSize=256m -Xbootclasspath/p:"%JAVA_HOME%\jre\lib\ext\sunjce_provider.jar"
JAVA_COMMAND="%JAVA_HOME%\bin\java.exe" %VM_OPTS% -jar oc4j.jar %OC4J_OPTS%
and put sunjce_provider.jar on boot classpath I don't get that exception and oc4j initializes normally. My new questions are:
1. what is the reason for this behavior
2. how can I specify boot classpath option for embedded oc4j and/or JDeveloper

NIO Help - Dividing clients on different threads

Introduction:
I'm currently working on a free time project witch basically accepts connections.
As we know with NIO, you can use one thread to listen to many different connections using Selector.
I've followed this guide on how to make a non-blocking server + client (Rox Java NIO Tutorial).
Problem:
My problem is that when accepting connections on a Selector, it is directly assigned to the selector instead of being
able to put it into a selector by myself.
What I want to accomplish is lets say I have 100 clients connected, and I want to split them all up into 10 clients per thread.
So 1 Selector, 10 clients. But reading the NIO documentation on Java, I have to say it's rather vague on both functions within
the NIO API, and how it works.
Anyone have experience using non-blocking sockets? Any other good tutorials? Or an idea on how I could implement what I just described?

My problem is that when accepting connections on a Selector, it is directly assigned to the selector instead of being able to put it into a selector by myself.What exactly do you mean by that?
What I want to accomplish is lets say I have 100 clients connected, and I want to split them all up into 10 clients per thread.Why? The whole point of IO is that you only need one thread.
So 1 Selector, 10 clients.Why?

Best way to deal with photos from the start? (Bridge CS5 and iPhoto)

Hi all,
I'm just learning the ropes of the whole CS5 suite, and was starting to add keywords etc. in Bridge when I realized I couldn't access the files in my iPhoto ('09) library. I've read a few threads about this issue, but haven't really found a consensus on how to deal with it.
I figure I'm in a good position to get things right from the start since I have no tags or ratings etc. in my iPhoto setup (and have only added keywords to the few pics that weren't in my iPhoto Library), and am wondering what you think is the best way to sort photos given I plan on using them in web design etc., and all the parts of my CS5 suite.
If getting the photos out of iPhoto is best what's the best way to do that? I've read suggestions to right click on the library and click on "Show Contents"- or something like that, but that does not come up as an option when I right click my iPhoto Library in Bridge. Thanks so much for your help!
Please let me know if there is any info I could give you that would be helpful in order to figure this one out.
Best,
Mara

I must be far too lazy to be sure. In iPhoto if I want to move an image all I
do is click and drag from iPhoto to the desktop.
Here comes the trouble with using iPhoto and mixing applications. You have
to be sure what you do in iPhoto because you easily grab the wrong version
instead of the original.
As Tai Lao pointed out the the difference between Bridge and iPhoto in short
is open visible structure for Bridge and hidden invisible library for
iPhoto.
There may be perfect and valid reason to use iPhoto but mixing the two
workflows without thinking or knowing what you do is bound to get you sooner
or later in trouble with wrong versions of the file.
And clicking and dragging from iPhoto is easy to mistake in those versions.
1 - I used to create incredible folder/sub-folder arrangements depending upon
operating system file management to find files.
You can create whatever structure you want including a thought through
naming convention that suites your needs, if you keep doing this in Bridge
you can easily open and close folders using the folder panel, in iPhoto you
have a lot of events and albums but none as clear as in Bridge. (at least
that is my opinion...)
Also I would prefer to use a good naming convention with less folders and
subfolders instead of bad file naming and many well named folders. Also
using the metadata options description and keywords let's you easily find
the files you want but when having the need to retrieve the original from an
external disk or DVD using less folders will be quicker to find.
Since depending upon metadata keywords or star ratings I now prefer to have
all images (originals and amended) in one single folder as Bridge (or iPhoto
for that matter) can only see the images in the folder it is looking at.
Wrong, using the find option (cmd+F) you can specify Bridge to look in main
folders or entire disk, include the option to look in subfolders and you are
in business (but the first time Bridge caches it also need to index all the
metadata, that takes some time but only the first time.
2 - potential feature request for Bridge?
To have an option where Bridge can see and display images in subfolder
arrangements from the folder it is looking at.
That is already there since a view versions
Select a folder with subfolders and then from the menu view select 'show
items for subfolders'
It is still not a perfect way of functioning but it gets better every new
version, in CS5 the speed of gathering the files is very much improved.
However here is iPhoto the winner because it keeps the files in cache (or
something like that) Bridge is not the best in this behavior but it is
possible to use.
This is a bit like a restriction of OS X "All images" to all images in the
selected folder and all subfolders of the selected folder (if that makes any
sense at all)
Many users have tons of files on there system, why would you use that option
to view all if you are perfectly capable of finding the files or file types
you want in most applications (but you can also find them in OSX, you want
psd files do a search for ".psd" and you will see all the psd files on your
system.
3 - iPhoto can't really handle large files. With one event consisting of
4,500+ images weighing in at 884 MB it is zippy. Were those to be originals
at a high resolution iPhoto would probably be tediously slow and require a
folder/sub-folder arrangement which, to me, seems to undermine the importance
of managing stuff using keywords.
IPhoto is not designed to be a professional application, therefore you can't
expect behavior for this
In Bridge you have no limit of files on your system only the limit for the
cache is somewhere around 500.000 I believe. But even Bridge is not really
designed for handling that amount of files in a pleasant way.
I also don't know of an application that can do so for normal retail prices,
most users of that amount of files have custom made or customized
application that costs many thousands dollars. Bridge is in fact a free gift
when buying a Suite application from Adobe.
The file size for viewing in Bridge is by default set to a max of 1 GB but
that is for building previews you can see thumbs and small previews of
bigger files. In the Bridge preferences you can set the limit for this to
whatever you want, it only grows the cache file for previews when using many
large files.
In summary: Bridge is great for CS5 partnering on metadata, original images or
large filesizes.
I couldn't agree more!
iPhoto is great on sharing images across devices and better
still if those files are low res with small filesizes?
I couldn't disagree more...
You can do all of this using Bridge to start own created actions or with
scripts like image processor.
Do some research on Adobe TV or view other video tutorials on the web, there
are many free and good tutorials. You will learn that you can do all you
want in Bridge (and a lot more...)

How to download thomas jung video tutorilas on wda

Hi Folks,
Is there any possibility to download Thomas Jung or any other video tutorials in sdn.If yes pls tell me how to download.
Thanks in advance.

The technical platform here on SCN only allows for video streaming and not downloads. For this reason I often upload my videos to blip.tv and Enterprise Geeks as well
http://blip.tv/thomas-jung
http://enterprisegeeks.com/blog/category/tv/afs/
For some (not all I'm afraid) of the entries I post links where you can download MP4 versions of the videos.

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