Dull colored images in CS3
Hi everyone,
I'm working on my online portfolio and then realized once it got time for me to add the pictures that the images were dull, light, and just overall horrible looking. I've looked at a bunch of forum posts, most of which didn't actually reveal a solution just a statement that flash didn't support color profiles or something to that effect. I did notice that all these posts were from sometime between 2005-2007 so there must be some kind of solution out there by now that I'm just not aware of.
So I've tried exporting from photoshop as a jpeg and a png both through "save as" and "save for web devices". I've tried changing the color settings to sRGB IEC61966-2.1 and set RGB to "convert to working RGB". I've tried turning off the assigned profiles in photoshop. I've tried dragging the picture from photoshop or illustrator directly into Flash. I've tried changing the jpeg quality in "publish settings" to 100% in Flash. I've tried right clicking on the image in the library and changing its settings. I've tried adding script like "stage.colorCorrection...." into my file.
Nothing has worked and I am at a loss. I haven't found any other solutions in all the threads that I've read to try. I really don't know how I'm going to continue on with my site if I can't get my images to show up right. I refuse to put bad quality images to represent my work. Please help =(. I'll try anything at this point.
-Discouraged
One more trick you could try; in Flash, go to:
Modify>Bitmap>Trace Bitmap:
Color threshold = 100
Minimum Area = 1 pixels
Curve fit = Pixels
Corner threshold = Normal
That will convert your bitmap data to vector data, which tends to be a bit more friendly inside of Flash, and much more lightweight when exported. However, depending upon how big your bitmap/jpeg/png is, the process time for tracing the bitmap may be time consuming. Make sure you save your work before starting the Trace Bitmap process, I've had Flash crap out on me before when tracing bitmaps.
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Doug Dexter>I just want to make sure I'm getting all of this. I did also notice that LuLu recommends not converting from RGB to CMYK or vice versa. Since I shoot all of my images RAW and import them into Lightroom, which is in ProPhoto RGB, then I guess that means all of my color images should be exported from Photoshop in ProPhoto RGB and my working profile in ID should also be ProPhoto RGB. Since the working space and profiles are the same in each application, the images should look the same in both. Correct?
That's right, but again if you want to see the a preview of ProPhotoRGB converted to CMYK, you'll need to set your Proof Setup to a CMYK space. In Photoshop I edit color in RGB with Proof Colors turned on and the Proof Setup set to the destination CMYK space.
>You were suggesting converting them to CMYK in Photoshop
No! I was suggesting that you use a CMYK profile as your grayscale profile, which Photoshop allows. So, instead of Edit>Convert to Profile>Greyscale Gamma 2.2; you could set your Gray Working space to US Sheetfed via Color Settings>More Options>Gray>Load..., and then simply convert the RGB image to Grayscale via Mode>Grayscale. In this case your grayscale is profiled as if it were on the black plate of a CMYK file, so if you also use US Sheetfed in ID you'll get a similar preview.
Using a CMYK profile for grayscale in PS is a nice trick, but it isn't going to make or break the jobthere will always be variation depending on how much ink density the press operator is running. If this is the first job you are sending Lulu I would follow their instructions and use 2.2 as the grayscale space, then if there's an issue you can honestly say you followed their instructions. -
Hello,
Acrobat renders this PDF with substantially dulled colors. Other viewers (Foxit Reader, gsview, xpdf, ..) display the colors correctly - see the screenshot. The PDF contains an image with an smask (originally a png with an alpha channel) which seems to be the cause of the problem. The colors are fine without the smask.
The PDF above is generated by my library but when you try to create a PDF from this image in Acrobat the colors are dulled in the same way. Also note, that the whole PDF document is dulled, not only the image. According to my experience, it seems that the problem is not specific to this particular image - any png with an alpha channel causes this issue.
So my questions are:
1. Is this an Acrobat bug or is it something at my end? I don't think it is related to the color management settings because the mere presence of an smask changes the colors of the whole page.
2. What can I do about it? Change Acrobat settings, adjust the image or smask attributes in the generated PDF, ...?
I would appreciate any help. Thank you.
Let me know if you need further information.May or may not help...
Throw a 3-way color corrector on there and push the saturation. Drop the blacks and mess with the others a little.
Could help.
CaptM -
How to use a grayscale color model in converting a colored image
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ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);
int bits[] = new int[] {8};
ColorModel cm = new ComponentColorModel(cs, bits, false, false,
Transparency.OPAQUE,
DataBuffer.TYPE_BYTE);
please only this method , i don't need the "bandcombine" method cause i need to know that i have exact 256 grayscale colors, thanx in advance.I went into mail preferences in the first place. I found the fonts and colors and picked the color I want but it doesn;t seem to be sticking?
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I have been using lv_vfw.llb VI's for grabbing images from a CREATIVE WEB CAM ,i am able to get color images in the continues shot but when i try to snap a color image which i need for my processing i get only a monocrome image ,i have been trying to play around with the RGB weightings but i am unable to get a color iamge,it shall be of great help if you could help me in doing this as it is urgent for me.Thanks for your help.
vicky,
I am unfamiliar with the lv_vfw.llb, and have not used it before. However, I noticed that you stated that you are able to grab in color, just not snap in color. If this is the case, why not just perform a grab and then extract a single buffer from this grabbed data, which would likely be in color? This seems like a possible solution to the issue that you are seeing.
Other than that, I really don't know enough about the lv_vfw.llb to be of much help on this issue. Hopefully another member of this forum will be able to assist you with this software.
Regards,
Jed R.
Applications Engineer
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I am...
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2) doing the manipulation
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What I get is...
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TIAWith Vision 2009 situation is not better.
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Feel differences:
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Andrey. -
Bridge displays color images as b&w
I assume this has something to do with settings in Bridge CS4, my platform is MacBook Pro OS 6.8.10.
This question might confuse some people. To beging with, I do shoot my images in RAW files, I even have Bridge convert them to DNG files.
Upon download the images are displayed in color as they should be for RAW files. After editing images in Camera RAW, I convert most all images to sRGB. When some of those edited images come back to Bridge, they might be presented in B&W, though no color is lost to the file upon displaying in Photoshop, and I did not edit the file to be a B&W image. I have DNG, Canon RAW, Tif and Jpeg files, and most of these are displayed in color, but some are not, and I have not figured out the missing link just yet. So to be clear, I have Jpeg color images, displaying as b&w images, but they are color images. Only b&w images should be displayed as b&w.
This problems started once I learned I could edit one image in photoshop out of a series of images, then after editing, i could bring the single photo file back to bridge, and then copy/paste image settings onto a groups of images in Bridge, and all those images would then have the same adjustments made to them as a batch edit adjustment.
But now sometimes I get a B&W display on some images even when I do not apply a Bridge settings edits, and when I never edited the image for a B&W display. I has to a setting somewhere in Bridge, and I just have not figured it out yet.
Thanks in advance for all suggestions:ssprengel wrote:
Yammer asked a pertinent question that remains unanswered—is that “settings” badge (small lines-triangles-in-a-circle) shown on the B/W image thumbnails (at least). If you’re not sure, then include a screenshot of a few Bridge thumbnails where some are color and some are B/W, using the little camera icon on the web version of the forum messages.
And the answer is NO!. I only have those showing up associated with the .DNG files (Camera RAW)
Another similar question would be if you see a B/W thumbnail in Bridge, try doing a right-click (or whatever the Mac equivalent is) and choose Open in Camera Raw. Is the image in B/W or color in Camera Raw.
A <Control Click> (on MAC), opens the .jpeg file in b&w, as shown in the thumbnail.
Can you upload three versions of one of the images that display as B/W: the original PSD/raw/TIF file, a normal Save As JPG that is in color, and a Save For Web JPG that is B/W? Use something like http://www.dropbox.com/ and post a public download link to the images, here.
NO, I thought I explained that real well. Only the .jpeg file that was saved through the "Save for Web" processing ( that is, the a jpeg the goes through greater compression to reduce image file size for web display), is the image file process that produces the b&w thumbnail in Bridge ONLY. All opened images, of various file formats (ie: DNG, Psd, Tif, Jpeg, & Jpeg for Web), all present Color presentations (for editing in Photoshop, and or in display browsers). It is only the thumbnail of that particular jpeg formatting processing for Web Images that produces the b&w image "THUMBNAIL" in Bridge.
When you Save As JPG or For Web, are you ever overwriting the original image with a new one or do you always save the PS-edited image with a new name?
No, never. I leave my RAW files, as RAW originals, and work on newly names images files.
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As to what is in the window selections for the "Save for Web" editing windows, Presets for jpeg are :
Progressive
Optimize
Embed Color Profile
And I use Embed Color Profile.
Even the Preview button at the bottom of the window, shows the color image as displaying color.
I vaguely remember about a year ago doing some CS 4 Photoshop and Bridge web tutorials from an unnamed tutoring website and guy named D_k_ . It is his fault. Just kidding, I actually enjoy those tutorial.
**** Okay, this is perhaps originating from Camera RAW presets, where you can apply previously made settings to other images and then saved them as Presets. Though I don't have this checked in Camera RAW ( still something goofy is going on there), I did find that in Bridge I can reset the individual "saved for Web" image thumbnail back to the the color image by :
Right Click (Ctrl Click, MAC) on the thumbnail
menu down to the "Development Settings" and select :
"Previous Conversion", and this presents the color thumbnail.
I have now tested all the Camera RAW settings in Camera RAW, by opening an image in each one of these :
Image Settings
Camera RAW Defaults
Previous Conversion
Custom Settings
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Solved!
Go to Solution.
Attachments:
Resolution Decrease.vi 46 KBThank you for the prompt reply Daniel.
What we are attempting is a de-resolution of a hi resolution image to simulate what a 1-4 reduction in resolution using a fiber optic taper will look like to a customer without having to built a very expensive actual optical system. If it proves to be an acceptable resolution, then we can move forward. The point is we need a fiberoptic imaging system due to environmental issues prevernting having an actual camera up close to the work being inspected.
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Convert color images to black&white bitmaps
Hi,
I have black&white scans of public domain books (image format). I use an OCR software to convert them to indexable PDFs (image+text format). However, the OCRed PDFs are insanely big: a 27 MB scanned PDF leads to an indexable PDF of 728 MB! And unfortunately, my OCR software doesn't have output settings, so I have to find a way to compress the files using Adobe Acrobat 9 Pro.
Using Advanced Options > Optimization does reduce the file size, but not significantly. The problem seems to be that my OCR software converts the black&white scans to color images, and encodes them as such inside the PDF. So I need a way to set the image modes back to black&white. I tried using the Advanced Options > Preflight dialog, and selecting "Convert to black&white". However, the resulting PDFs stay about the same size! It seems that "Convert to black&white" converts the images to grayscale, instead of to bitmap.
Any help would be appreciated!I mentioned "bitmaps", because when I open the original PDF and right-click a random page and select "Modify image..." and open the image in Photoshop, the mode is set to "Bitmap mode": meaning 1-bit mode, containing either black or white pixels. However, when I do "Modify image..." for the OCRed PDF, the mode is set to "RGB Color Mode". I think this explains, in part, the huge size of the OCRed PDF.
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Hi,
I am using Oracle reports 6i.
I am generating a post script[.ps] file using bitmap mode.
The layout contains an image. The image is stored in oracle database which is colored image.
But when the report is generated same is being generated with gray color.
Could any one advise on resolving this issue? The objective is to generate the report with colored image and not gray or black&whiteWhat kind of images do you have? Reports only supports a few formats, e.g. JFIF. So, if you have JPG images with EXIF meta information in the header, you have to remove those first.
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Color images not rendering; b/w images rendering
Hello,
My production environment is running Oracle 11.2.0.3.0 and APEX 3.2.1.00.12; my development environment is running Oracle 11.2.0.3.0 and APEX 4.1.1.00.23. The development environment was just upgraded to APEX 4.1
I have external files of jpeg images (55,000+) on both systems. There is a mix of b/w and color images.
I'm using OHS in both environments for my Apache interface. I've checked Firefox and Internet Explorer; same results for both.
On the production system all images render as expected, both color and b/w; on the development system b/w images render correctly, but color images do not. They did render correctly before the upgrade to APEX 4.1. There has been no APEX code changes at this point; both screen sets are identical.
I'm using a stored procedure based on the sample image processor code modified for the external files . The digital image catalog table includes a BFILE column pointing to the image file (using file name and directory name to create the BFILE column).
The render code is
<img src = "#OWNER#.obtain_image?p_ref_item = #REF_ITEM_ID# height = "200" />
The stored procedure code:
<CODE>
PROCEDURE obtain_image (p_ref_item IN NUMBER)
AS
v_Mime VARCHAR2(255);
v_Length NUMBER;
v_FileName VARCHAR2(2000);
v_Bfile BFILE;
v_LOB BLOB := EMPTY_BLOB();
BEGIN
SELECT img_mime_cd, bfile_locn, img_file_nm
INTO v_Mime, v_Bfile, v_FileName
FROM digital_img
WHERE ref_item_id = p_ref_item;
-- Obtain the Lengh of the blob
v_Length := DBMS_LOB.GETLENGTH (v_Bfile);
DBMS_LOB.FILEOPEN (v_Bfile, DBMS_LOB.LOB_READONLY);
-- Set up HTTP header
-- Use an NVL around the mime type and if it is a null, set it to
-- appplication/octet - which may launch a download window from Windows
owa_util.mime_header (nvl(v_Mime,'application/octet'), FALSE);
-- Set the size so the browser knows how much to download
htp.p('Content-length: ' || v_Length);
-- The file name will be used by the browser if the user does a "save as"
htp.p('Content-Disposition: filename = "' || v_FileName || '"');
-- Close the headers
owa_util.http_header_close;
DBMS_LOB.CREATETEMPORARY(v_LOB, true);
DBMS_LOB.LOADFROMFILE(v_LOB, v_Bfile, v_Length);
DBMS_LOB.FILECLOSE(v_Bfile);
-- Download the blob
wpg_docload.download_file( v_LOB);
EXCEPTION
WHEN OTHERS THEN
DBMS_LOB.FILECLOSEALL;
END;
</CODE>
Has there been some change in the handling of color images in APEX 4.xxx? I've checked the forum and don't see any such discussion. I've also looked through the release change letters and see no such information.
Any suggestions for where to look next?
Thanks,
GeorgeGeorge wrote:
Ok, changed the procedure as
-- htp.p('Content-Disposition: filename = "' || v_FileName || '"');
htp.p('Content-Disposition: inline');
<CODE>
PROCEDURE object_image (p_ref_item IN NUMBER)
AS
v_Mime VARCHAR2(255);
v_Length NUMBER;
v_FileName VARCHAR2(2000);
v_Bfile BFILE;
v_LOB BLOB := EMPTY_BLOB();
BEGIN
SELECT img_mime_cd, bfile_locn, img_file_nm
INTO v_Mime, v_Bfile, v_FileName
FROM digital_img
WHERE ref_item_id = p_ref_item;
-- Obtain the Lengh of the blob
v_Length := DBMS_LOB.GETLENGTH (v_Bfile);
DBMS_LOB.FILEOPEN (v_Bfile, DBMS_LOB.LOB_READONLY);
-- Set up HTTP header
-- Use an NVL around the mime type and if it is a null, set it to
-- appplication/octet - which may launch a download window from Windows
owa_util.mime_header (nvl(v_Mime,'application/octet'), FALSE);
-- Set the size so the browser knows how much to download
htp.p('Content-length: ' || v_Length);
-- The file name will be used by the browser if the user does a "save as"
-- htp.p('Content-Disposition: filename = "' || v_FileName || '"');
htp.p('Content-Disposition: inline');
-- Close the headers
owa_util.http_header_close;
DBMS_LOB.CREATETEMPORARY(v_LOB, true);
DBMS_LOB.LOADFROMFILE(v_LOB, v_Bfile, v_Length);
DBMS_LOB.FILECLOSE(v_Bfile);
-- Download the blob
wpg_docload.download_file( v_LOB);
EXCEPTION
WHEN OTHERS THEN
DBMS_LOB.FILECLOSEALL;
END;
</CODE>
Development environment:
<tr class="highlight-row">
<td class="t3data" style="">
<div style="text-align:center;">
<img height="200" src="DIYALA.object_image?p_ref_item=1684170">
</div>
<input id="f01_0001" type="hidden" value="1684170" name="f01">
</td>
</tr>This is not readable, please wrap the code in {noformat} code here {noformat} tags
What are you trying to say?? -
Problem of acquiring color image
Now I try to acquire color image but show in grayscale real time with filter it before. The result is so slow on monitor. How can I do to acquire the filter image faster.Any help very appreciated.
First make sure that you have the most efficient kind of aqusition running.IMAQ LL Ring Without Timeout is the most efficient continous aquisition scheme I know of.
The you must make sure that your conversion and filetering code is efficient. As far as conversion is concerned make sure and use the extract color plane VI and extract the luminance plane. This is the fastest way to do color to gray scale. You can play around with Vision Builder and the Script>>Performace Meter Option until you get a filtering script which is faster than your frame rate.
Hopoe this help,
Amaury Rolin
NI Applic
ations Engineer
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