RAW to JPEG Coloring Porblem

I have a problem with the coloring of my images when I convert my images from RAW to JPEG. I work with a professional photographer on the weekends doing weddings and when doing so, I always use the RAW format. I use his cards since it is his business and he edits the pictures. I recieve a copy of the final product of the pictures he gives the bride in JPEG and then a copy of all the pictures that I took in the RAW format. I had been using JPEG until I played around with the RAW pictures in photoshop and realized how much more you can do with the pictures.
Anyway, I've been running into a problem. I downloaded all the programs for RAW files so I can view them, etc. I can view them perfectly, open them with photoshop perfectly, and edit them perfectly. The problem occurs when I convert the RAW picture in photoshop to a JPEG. The picture completely looses all color and saturation. It gets the dull and grey look. If it is a shot of a person, their skin looks grey and green. However, if I reopen that file as a JPEG in photoshop, it shows up in perfect color. It's perfect if its opened in photoshop but looks terrible in JPEG. If I shoot in JPEG to begin with, the color is fine no matter what. I love shooting in RAW though because there is so much more you can do.
I've done everything I can think of doing. I experimented myself and made the picture extremelly saturated and the colors overly bright but even then, photoshop still converts the RAW image to a gross looking JPEG. I sent a copy of the gross looking JPEG to a friend's compter to see if my computer had just distorted the color but even on her computer, it still wasn't right. I went to the professional that I work with and I pulled my images up on there. I showed him the nice RAW image and the crappy JPEG. On his computer, the JPEG was still wrong. He opened the RAW file and his computer in photoshop and saved it as a JPEG on his computer and it saved it perfectly. He didn't know when my computer was messing it up. He said it obviously wan'y my camera and was something with my computer or photoshop. We both have Photoshop CS2 so I compared the color settings and preferences but they were all the same. I also take classes at a photo center and my teacher's computer worked as perfectly as the professional's. My computer is not old at all. My brother is a computer engineer and knows everything. He just re-did my computer a few days ago (updated it, got rid of any viruses, etc.) and he put on the new Photoshop CS3. I was hoping that this would help me out but it's still the same problem. I jsut want to know why the color gets messed up when I convert a RAW picture to a JPEG. Thank you!

A) It sounds like you are using a Nikon camera... hence the green problem... although I have seen some Canon slime too... Do you control the color white balance with a good gray card when you shoot?
B) It sounds like you are working on the files until they look good on your monitor but then...
B.1) your monitor is not calibrated to a non equipment based standard like Adobe 1998 so the out put doesn't hold for the next step
or
B.2) you are not embedding a profile (sRGB or Adobe 1998 or other equipment based profile) to provide instructions for your software and hardware to know where black and white and neutral gray are so they can render the photo correctly... no instructions (aka profile) equals unpredictable color from one step to another...
C) Maybe you have the camera on one color profile and photoshop on another but you still aren't embedding when you save the file?

Similar Messages

RAW to JPEG color issue

When I export RAW to JPEG then pull up the picture in window explorer. The picture in Windows Explorer is much darker than what is in LR.
How do I resolve this issue?

Hello,
I understand that a color profile is not embedded inside a jpg file. This is not what I was asking, mybe I have to explain better what my issue is:
I shoot Raw (the 5DMkII also creates a jpg); then import the Raw to LR2.3; my computer uses a color calibrated and profiled Eizo Monitor and a second one, Dell STN display, also color profiled.
The Eizo display picture of the RAW gets white balanced by the WB tool of LR. Now, colors look natural. I then export to jpg. I do not use any export setting other than choosing size and standard sharpening for screen display, the export color setting is sRGB, always.
As a result, the exported jpg looks redish, unnatural, oversaturated, on the same monitor. the original jpg from the camera looks natural, as the pic appears as Raw in LR. I still have to figure how photo prints look like, but I do not have a color printer, I use a photo shop around the corner.
of course, on my secondary monitor the photo out of cam and the raw picture of LR look natural but more flat (as the monitor has a smaller color room).
So, how does the jpg export from LR create a redish look of a picture that is created by the 5D in a natural looking way?
Gerd

Exporting RAW into JPEG, color differences

I've done a lot of searching in these forums and I can't find a solution to my problem. I just spent 30+ hours editing a set of 123 wedding photos in RAW file format. When I export to JPEG, the colors change on just about every photo. I understand that if I would have correctly set up the camer calibration prior to editing, this would have possibly solved my problem. However, the photos are already edited. When I export the files in TIFF, they look fine. It's just the JPEG file format that changes the look of my images. I'm using Lightroom 2.3. My last brainstorm involved importing the already edited TIFF files and then trying to export those into JPEG, the color format was still off. Can anyone Help?

What program do you use to look at the jpegs?
Is your screen calibrated?
What OS are you using?
There is a free upgrade available for you to the latest LR2 version 2.7. Win and Mac

Adobe Camera Raw (ACR), Jpeg Files and Metadata

I have been using Adobe Camera Raw (ACR) with my Canon EOS 30D, an 8 MP camera, for a while now. I would make non-destructive changes to the raw file (.CR2) in ACR where the changes would be stored in an adjoining .xmp file. Jpegs of the unedited and edited camera raw files would be created so I have a before and after versions of the images that can be viewed anywhere.
Now I have a Canon EOS 5D Mark III, a 22 MP camera and the raw files are much larger. I’m looking at using camera raw on jpeg files for some for my more casual photo shoots in order to save disk space. From what I have read, I can use ACR on jpeg files and that the changes would be stored in the metadata in the jpeg file. Is there a way for the changes to be stored in an adjoining .xmp file so that the original jpeg file is not modified, much like it is done with the .CR2 files?
I am using Adobe Photoshop CS5 on a Windows 7 machine. All software is up-to-date.
Also, I have found that Adobe’s camera raw handing is different than the raw handling of the photos using Canon’s software (DPP). Is there a way to make ACR closer to what Canon’s software does?
Thanks,
Mike

Probably not going to happen.
I agree, Canon's color is better than Adobe's in general - I just didn't know how good the Camera Standard profile might be for your particular camera. I had hoped maybe they'd made it a very close match.
Some time ago I got a very nice genius-level Camera Raw forum member named Vit to make me a custom profile that exactly matches the Canon color for my 40D, even to the point of emulating the way Canon fits the entire gamut of the captured image into the sRGB color space, so I'm more than happy.
Others might tell you that you're silly for wanting the color to match, but I understand completely your position - if you do get that kind of feedback just ignore it and push on.
Once you've set up a default to use Camera Standard, you may well be able to tweak the dozens of color controls to bring the Adobe default into line with the Canon color. I did that once before getting my special 40D profile, comparing embedded raw file JPEGs with the Camera Raw preview display with a variety of images - it was tedious but effective.
Best of luck.
-Noel

Camera RAW ruining JPEGS, cant disable

I have CS3.
Certain jpeg files now ONLY open with Camera Raw in PS, no matter what I do. I just want to open them regularly, but I cant get ACR to go away, and ACR is corrupting the color somehow when it opens them this way.
Under preferences, (in both PS and Bridge) I have disabled 'prefer camera raw' for jpeg, but that still doesnt help.
The problem is the color gets ruined when opening them with ACR, no matter what color space I choose from within ACR when developing them, the files get a washed out appearance, and once opened this way, cant be fixed via normal methods, ala 'converting to' or 'assigning' the right color profile.
Note that other jpegs not opened with ACR before seem fine and unaffected, they do not open via ACR in PS, they just open normally in PS, and I see the expected 'color profile mismatch' if relevant.
Also note that the files that are getting ruined by ACR look OK in Bridge and from within the ACR preview window itself, but once opening into PS, they look totally different.
Can someone please tell me how I can stop ACR from ruining them or just disabling ACR for good? Thanks. The files are essentially unopenable as they are right now, and I dont see any 'clear' develop settings options as later versions of PS seem to have.
Thanks!

Thank you!!!
From your screenshot I realized I did not have those options available, so I upgraded from camera raw 4.0 to 4.1, and sure enough, they included those options in the update.
Once I unchecked them, the notorious ACR did not open!
I still wonder why the color gets corrupted by ACR, but am not the biggest fan of ACR anyway, so will not use, long live Lightroom, LOL.
Do you know, is there a 'limit' to the level of ACR I can upgrade to from within CS3?
Anyway, Thanks again for saving me,

Import RAW and jpeg

If I try to import both RAW and JPEG from the same folder or from the same card LR only imports the RAW files. I usually shoot RAW and JPEG simutaneously so they both have the same filename but different file types. Photshop handles this OK so whats going on?

It would probably have been better to start a new thread, rather than attaching your new question on the end of a 3 year-old thread, but anyway, by JEP do you mean JPG? Where are you seeing JEP/JPG? The RAW files from your camera won't say .RAW as the extension, but .CRW or .CR2 if Canon RAW and .NEF if Nikon RAW, and perhaps some other extension for a different manufacturer.
As far as shot-specific information: shutter-speed, aperture, ISO and focal-length are shown several different places such as under the histogram, in the metadata panel in Library mode, and in the Info Overlay in Loupe view in Library and Develop modes. You can define what specific things you want to display in the limited area using View / View Options. You can use the I key to cycle between nothing, Loupe Info 1 and Loupe Info 2.
For learning photography, shutter, aperture, ISO and focal-length are mostly what you'd need, along with white-balance color-temperature which is visible in Develop mode. Some camera-manufacturer-specific programs can also show things like which focus-points were enabled, but Lightroom works with many, many cameras from various manufacturers and things like focus-points are recorded differently from each manufacturer so LR doesn't attempt to decode and show such less-standardized information.
If you really want to see ALL the information encoded in an image--the EXIF data, then download EXIFtool and drag-and-drop an image to the EXE that has (-k) in the name and you'll see a very long list of information, most of it irrelevant to general photography and, again, different for different cameras, where LR is trying to show things that are common to all cameras.
EXIFtool is available from: http://www.sno.phy.queensu.ca/~phil/exiftool/

Format - RAW vs JPEG vs TIFF?

I am new to Aperture and I received a Nikon D3000 for Christmas. I am NOT a professional photographer. I just take pictures of my family and places we go. I would appreciate suggestions as to what format might be best for me. Thanks.

JPEG is the simplest, smallest, probably offers best quality for someone who doesn't want to post-process the image themselves, but offers the least amount of control. When shooting in JPEG format, you can think of the computer inside the camera as being your own little photo-processing department. The camera will not only "capture" the image, it'll post process it by adjusting light levels, white balance, noise levels, sharpening, etc. It's all fully automatic.
HOWEVER... it will ALSO compress the image substantially so that it doesn't take much space. When it does this, it'll decide to reduce the quality of the image in areas where the human eye probably wont notice. This is lost data that you can never really recover. The "problem" here is that if something is over-saturated, too bright, or too dark, etc. a JPEG will just "compress" all the pixels that seem to be "alike" by making them effectively identical. When you later try to adjust the image by editing saturation, highlights, or shadows, you'll discover that the JPEG has clipped off all the detail and the area of the image is flat. This would not happen if you had shot in RAW.
RAW offers you the most control over your image. A RAW image is sort of like the "negative" in a film camera before it's been printed by the photo lab. The camera retains the original data as seen by the sensor at the time the image was captured and does not 2nd guess what the image was supposed to look like. It will make some adjustments, but it will not make any adjustments that are considered "destructive" to the original data. The files will not be compressed -- so the storage of each image will consume much more space on your memory card. Areas of an image that are too bright, too dark, saturated, or blown out and "appear" to be flat, may not actually be flat. You may actually be able to recover data by adjusting the photo -- this is because if too two pixels on the sensor appear to be nearly identical but are not actually identical, RAW will not compress them to be the same color (as JPEG would). It'll store the difference no matter how subtle. When you adjust the image, you may see the detail return.
HOWEVER... some things you may take for granted with a point-and-shoot will NOT be performed on a RAW image. For example, the camera will not attempt to de-noise the image. If you shoot in both RAW and JPEG then compare the results (without doing anything to either image) you should notice that the JPEG actually looks better. But that's because the JPEG was already processed and the RAW was not. After processing the RAW image, you may find that the RAW looks better. RAW is particularly better when you know you'll need to adjusting the images.
TIFF is non-lossy (like RAW) but unlike RAW, TIFF is a fixed standard. E.g. if you need to give someone a non-compressed non-lossy file so they can do more processing with it then you send them TIFF. If you send them RAW you're taking a chance that they wont have any software that can open the file. The "problem" with RAW is that it's more of a concept than a standard. Every model camera seems to have it's own variation on 'RAW' and that's why there's a delay in support from Apple & Adobe to add 'RAW' support for any new model that comes out.

RAW versus JPegs

I am relatively new to photo editing at the level that programs such as Aperture allow for. I usually shoot in large jpeg mode and not RAW, as RAW files are so much larger and tend to really eat up space on my HD. I am wondering if using a program like Aperture for post production editing is even worthwhile if not shooting in RAW mode? I understand that you can do much more with RAW images, and if need be, I'll start shooting in RAW for my most precious shoots, while keeping my JPegs reserved for "fun" pics. Can someone elaborate on what shooting in RAW will allow me to do in post production? When I look at the same image both in RAW and large JPeg on my display, they basically look the same. I am assuming it has to do with what you are able to do with that image that is the key?
Thanks,
MK

Sure, it makes sense to edit JPEGs. If they look better when you're done than when you started, that's the proof right there
It's not like JPEGs are worthless, it's just that they cannot tolerate as much in the way of correction as a RAW file as there is a lot less information present. In most cases, you can't see it when you first look at the JPEG, but if you try extreme adjustments, the JPEGs will show noise or posterize sooner than the RAW files will. This is partially also a 8-bit versus 16-bit thing as well (RAW files are usually 12 or 14 bits, but converted to a 16-bit color space when "rendered" by Aperture).
But yeah, if you like what you get in editing a JPEG, by all means do it; again Aperture is non-destructive on JPEGs as well. But for a fun trick, try shooting a file outside in the sunlight with a tungsten white balance on your camera. Shoot it RAW and JPEG. Then go try and white balance each one; the differences in what you can do will be 100% immediately obvious. The RAW file you can get perfect white balance with 1 click; the JPEG will never get there.
Then try over exposing a shot by 2 stops, and under-exposing a shot by 2 stops, both JPEG and RAW and try to fix them. This will shed some light on what you can do. If you perfectly expose and white balance your shots in the camera 100% of the time, then JPEGs may well be good enough. In the real world, this is unlikely and it's good to have a little latitude to fix things in post, should you need to. Still, it's more time consuming, so it is best to do your best to capture the best shot.

Crashing when exporting Raw to Jpeg Windows

when converting from raw to jpegs sometimes my computer crashes completely, a complete stop!!!!
other times it comes up with problem and needs to shut down listing
AppName: lightroom.exe     AppVer: 3.6.0.10   ModName: msvcr100.dll
ModVer: 10.0.30319.415      Offset: 00010b90
AppName: lightroom.exe     AppVer: 3.6.0.10   ModName: cameraraw.dll
ModVer: 3.6.0.10   Offset: 001fc314
no phone was connected to my pc, the problem is when i run up lightroom, sometimes i can use it then it may suddenly crash the computer switching off completley, other times it says lightroom has a problem and needs too shut down the bout info is what is shown as the problem. hope this helps.

I know this is an old thread, but I have the same problem and am hoping perhaps to get some new feedback. I also have used all the same settings,
the best quality settings that I can do on export, but the quality I get when I convert to JPG is very poor. I do save at 100% because I want to send some of my images to stock agencies that want JPGs but at the very best possible quality. I have experimented in changing the resolution to 300, resizing to 18MP (which is the native size from my camera (Canon 7D), leaving the resizing box unchecked, and tried all all levels and types of sharpening, and none of these settings makes any improvement. I honestly do not think this is an issue of color calibration. The images that I get when I convert from RAW to JPG are are very poor quality, but not so much noise as they appear pixelated. I am going to try to attach a screen capture of a RAW image and a JPG that has been converted. Realize there is a bit of loss of quality in both of these images as they were done by the print screen function, then saved as BMP and then JPG..But doing it this way actually produced a much better quality image than exporting the RAW file to JPG in LR3. Both of these images were saved at 100%
The image at the top is a small segment of the RAW capture at 100% and the bottom one is a segment of the same area of the exported JPG at 100% Note the writing and how it is very pixelated. I think you would agree that it is quite a deterioration in quality. Any suggestions you have would be greatly appreciated.
Thank you.
Message was edited by: wyeaton
I'm sorry that the images do not appear to be showing up on the thread. They do show up when I uploaded them and when I edit them, but I don't see them once I do the update. Any suggestions there would be appreciated as well.
Thanks.

The raw portion of a referenced master got separated from its jpeg pair when I was relocating originals. Can I recombine the raw and jpeg pair?

Hi, I'm a fairly new Aperture user and have just started storing my photos on an external hard drive. An error message appeared when I was relocating originals of a project. It stopped relocating at one image, saying that the jpeg file did not exist. I found the raw file name under the new project folder that I was relocating it to, but it's jpeg pair did not move. The file names look identical except one ends in .JPG and the other as .NEF. I tried to combine originals, but I got the same error message and when I looked at the files the raw now had (1) attached to it, whereas the jped didn't. The Aperture window started to close unexpectedly many times. I tried Repair Permissions and Repair Database and that seemed to stop Aperture from closing unexpectedly, but the raw and jpeg pair are still in separate folders. How can I get them paired up again or does it matter? I'm using Mac OS X and Aperture version 3.4.5.
Thanks,
sophie

If you don't take care when choosing the location for referenced images, you can create some problems for yourself.
From an operational perspective 'Managed' images means Aperture will take care of the image file storage for you, 'Referenced' means you will take care of it yourself.
There are a number of things that may have happened but this is what I think is most likely:
If you shoot a lot of photos with the same brand of camera, eventually you'll end up with duplicate file names, for example two different files called DSC_1234.NEF. If you attempt to store these in the same folder yourself, worse case scenario is you may inadvertently overwite one of the files. If you use Aperture to relocate, you'll get one of the files with a new name of DSC_1234 (1).NEF.
So your first step is to figure out what these files really are. Are they duplicates, or are they different files with the same name, and do they each have a matching .JPG
Aperture has the tools to fix up the problem, but you need to confirm what the problem is first.
If you don't have many of the (1) files, it may be worth continuing your 'relocate' to subfolders - making sure your subfolder hierarchy doesn't cause duplicate names to be stored together. Then when everything else is stored correctly, address the problem images by moving them to where they should be, with the right name and the JPG/NEF pairs together.
You can then search for missing files in Aperture and use the 'Locate Referenced Images' to reconnect them with Aperture.
Andy

How do I process multiple files and turn them from raw to jpeg

How do I process multiple files and turn them from raw to jpeg. Ive tried and it seems to go through the files but doesnt seem to process them or store them in the selected folder

Yes that was the first thing I did. Then I used the process multiple files and selected a new folder to put them in and selected use open files and selected to turn them into jpeg. The images flash on the screen like they are being processed, but the folder never appears in library. Is it possible because there are a couple 16 bit files open that this corrupts the task. Do I need to create the folder first. Will elements not create the folder on its own.
Thanks Vince

I have uploaded raw and jpeg files directly from my camera to my iPad (latest version) I have processed them in snapseed and want now to transfer back to my pc for further processing. How can I do this will a flash drive work?

I have processed my raw and jpeg files on my iPad using Snapseed . What format are they saved in on the iPad and how do I transfer them back to my pc where I use photoshop elements. Can I use just an ordinary flaws drive with the USB adaptor? Thanks any help would be appreciated.
Lynne

The camera connection kit can only be used to import photo/video files form a camera, SD card or USB flash drive. You can't import other types of files. You can't export any type of files using the camera connection kit.
Importing Personal Photos and videos from your iOS device to your computer.
http://support.apple.com/kb/HT4083
 Cheers, Tom

Help with managing RAW and jpeg images and installing iphoto 9

Greetings: Fist, let me make the neophyte apology and plea - I'm sorry, I should have come here first; I didn't and now I need your help.
I have just purchased a macbook pro (still in its box) with updated software for my older imac os x. I have a number of Canon related photo editing programs (that came with my 40D digital SLR) and Adobe photo elements 6 for mac on the imac. Following some erroneous advice I have made a complete mess of the pictures folder's content by trying to delete images directly from that folder (there are now 6000+ images in the folder, many of which are duplicates(?). Most of the images are not tagged or labeled and some have been organized in/by iphoto (I corrupted the iphoto's library structure very early on by disrupting and editing its images - which might explain why iphoto had a difficult time 'finding' and displaying some of my photos). The picture folder now holds jpegs, smallRAW images (a Canon 40D photo format) and various duplicates of the orignal images - (some of the duplicates don't display as images, but as jpeg logos, which, when opened contain duplicate image or are completely black) The first time I downloaded RAW images into iphoto 6 the RAW data displayed as a black image. When shooting in smallRAW on the Canon 40D, the camera produces a jpeg image for 'easy viewing and editing in the camera' but it looks as though iphoto 6 made duplicates of the jpeg and the RAW data and stored them in different locals in the picture file. In an attempt to get the number of images down, I have been trying to delete them from the picture folder. (My daughters both download images rather indiscriminately in hopes of 'editing them on the computer' which inevitably does not happen) and there is a lot of experimental bracketing of images - shooting raw and different Camera formats etc., all of which need to be cleaned up before I proceed.
Sometime in the not-too-distant future I would like to have iphoto 9 running on my imac with a clean library of images and a seamless way of downloading, editing and storing images (including the RAW data).
The macbook pro is for my highschool-aged daughter, who will run iphoto 9 but not have any RAW image data on her system. She would like to copy some of the old iMac's images to put into her own iPhoto 9 library (probably using a disk, email or on-line photo service - ideally, I would like to be able to copy and remove a number of those images from my HD and give them to her for the macbook)
A few questions and queries: Can I 'dis-able' iphoto 6, while I delete images (RAW and jpeg) from the picture file? (and is this even a good idea).
Once I have edited the # of images down to a reasonable size, should I re-launch iphoto 6, rebuild the iphoto library and then update to iphoto 9 or skip v6 and rebuild with v9?
And now for the 'how stupid is this guy question' - I really had planned to purchase an external backup; but between new the macbook, car repairs and braces it has never come to fruition. So, I have never properly backed up my images. What is the bare-bones, least expensive method for me to do this? I'd even consider burning everything to disks if that works. I can't afford the $ to purchase a new external hard drive right now (really). Budget is set aside mid-November for one though.
I've been looking through some other discussion boards and it looks like I'm not the only one having RAW image issues. I know that shooting smallRAW with the companion jpeg is probably not helping things but I take my camera equipment on extended canoe trips - and we like the ease of on-the-spot editing with this format.
Thanks in advance for your help - Mark

Terence, Is the picture folder the primary source for the images or does that data reside somewhere else?
If you gathered them there, then yes.
I really don't want to have to go through 14,000 images looking for the pictures that I want to keep (or is that my only option?).
Only you can decide what you want to keep.
Why does the computer keep making copies of the images and filing them under date and events?
That's how iPhoto works. It's not a problem usually, only you did go in there and make a problem, and now we are trying to fix it.
You advise not to muck around in the picture file via preview,
No I don't. I advise not to much around in the iPhoto Library Folder.
but if I download images through a program other than iPhotos - image capture or adobe aren't I doing that anyway?
Adobe what? Adobe is a software manufacturer who make many excellent applications, you need to be more precise. And no, if you import photos with Image Capture or “adobe” no you are not interfering with the iPhoto Library Folder.
Can you edit a base image file somewhere and remove it from the HD without iphoto making a copy of it and storing it somewhere else?
This is stunningly easy. Don't use iPhoto. Use an image editor.
I want to look the negatives, decide which ones I want and throw the rest away. Can that be done or am I way off course?
Yes, and iPhoto (or similar apps) make this really easy.
Hook up your camera. Import the pics to iPhoto. Go through the imported pics. Trash the ones you don't want. Then process the ones you do. But you must learn how to use iPhoto to do this successfully
To trash: put the pic in the iPhoto trash and empty it. This removes the file from iPhoto and the Hard Disk.
Process it: If you want to use another editor: You can set Photoshop (or any image editor) as an external editor in iPhoto. (Preferences -> General -> Edit Photo: Choose from the Drop Down Menu.) This way, when you double click a pic to edit in iPhoto it will open automatically in Photoshop or your Image Editor, and when you save it it's sent back to iPhoto automatically. This is the only way that edits made in another application will be displayed in iPhoto.
Regards
TD

Best practice for photo format: RAW+PSD+JPEG?

What is the best practice in maintaining format of files while editing?
I shoot in RAW and import into PS CS5. After editing, it allows me to save as various formats, including PSD and JPEG. PS says that if you want to re-edit the file, you should save as PSD as all the layers are maintained as-is. Hence I'd prefer to save as .PSD. However, in most cases, the end objective is to share the image with others and JPEG is the most suitable format. Does this mean, that for each image, its important to save it in 3 formats viz RAW, PSD and JPEG? Wont this increase the total space occupied tremendously? Is this how most professionals do it? Pls advice.

Thanks everyone for this continued discussion in my absence over two weeks. Going through it i realize its helpful stuff. During this period, i downloaded Aperture trial and have learnt it (there's actually not much learning, its so incredibly intuitive and simple, but incredibly powerful. Since I used iphoto in the past, it just makes it easier.
I have also started editing my pics to put them up on my photo site. And over past 10 days, here is the workflow I have developed.
-Download RAW files onto my laptop using Canon s/w into a folder where i categorize and maintain all my images
-Import them into Aperture, but letting the photos reside in the folder structure i defined (rather than have Aperture use its own structure)
-Complete editing of all required images in Aperture (and this takes care of 80-90% of my pics)
     -From within Aperture open in PS CS5 those images that require editing that cannot be done in Aperture
     -Edit in CS5 and do 'Save', this brings them back to Aperture
     -Now I have two versions of these images in Aperture - the original RAW and the new .PSD
-Select the images that I need to put up on my site and export them to a new folder from where i upload them
I would be keen to know if someone else follows a more efficient or robust workflow than this, would be happy to incorporate it.
There are still a couple questions I have:
1 - Related to PS CS5: Why do files opened in CS5 jump up in terms of their file size. Any RAW or JPEG file originally btn 2-10 MB shows up as minimum 27 MB in CS. The moment you do some edits and/or add layers, it reaches 50-150MB. This is ridiculous. I am sure I am doing something wrong. Or is this how CS5 works with everyone.
2 - After editing a file in CS by launching it from Aperture, I now end up with two versions in Aperture, the original file and the new .PSD file (which is usually 100MB+). I tried exporting the .PSD file to a folder to upload it on my site, and wasnt sure what format and size it would end up with. I got it as a JPEG file within reasonable filesize limits. Is this how Aperture works? Does Aperture allow you options of which format you want to save the file in?

Understanding Camera RAW with JPEGs

I usually work on the design end, hence I rarely work (professionally) with files straight-from-camera. I get the stuff after the photographers are done with it.
However, that is slightly changing and so I have a question about the Camera Raw plugin in Photoshop. In particular, processing JPEG images with it.
If I understand correctly, it does not actually modify the JPEG image itself, but merely saves the correction information as metadata in the JPEG file, which is then re-constructed when the JPEG is re-opened.
This would (assuming I understand it properly) make it a "safe" way of tweaking JPEGs as unlike most JPEG operations, no resave/quality-loss is occurring. Only the metadata is changing.
Am I correct or have I horribly misunderstood this process?

I can appreciate that - my own plug-ins all do their work in linear space as well for the advantages thereof. However, it's not as if one can't get good results with the normal Photoshop tools, which for some reason seem to be out of favor... One can convert to a linear profile to work on it in Photoshop proper, for example (though one has to craft or find a linear profile to use for that, as none is provided by Adobe). I do my astroimage processing that way.
I might change my workflow to involve Camera Raw where JPEGs are concerned IF Camera Raw could be set to write its metadata back to a sidecar file or the central database instead of rewriting the JPEG file. I understand that it is not rewriting the actual image data, but I just don't want it writing back to my JPEGs at all.
-Noel

RAW to JPEG Coloring Porblem

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