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Author Topic: Color space conversion when importing JPEG's  (Read 1411 times)

steffen

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Color space conversion when importing JPEG's
« on: March 12, 2007, 07:56:40 PM »

Hi,

I'm currently playing with the trial version of LR. While importing JPEG's with different color spaces (sRGB and Adobe RGB) to LR I've noticed a strange effect: There is a small but noticable difference in color, depending if the JPEG was previously saved in AdobeRGB, or sRGB.  All the images I've tested so far should not contain critical colors that exceed normal sRGB. Also, CS2 does the job much better - both versions of a JPEG, AdobeRGB and sRGB, typically look perceptually identical when opened in CS2, no matter if I leave the sRGB image to sRGB, or convert it to the working space (AdobeRGB). The same goes for my color-managed image viewer. So I don't think it's a matter of the different color spaces.

Anyone else here experienced a similar problem? Is this a bug in the xRGB-to-ProPhotoRGB conversion, or a feature?

/Steffen

P.S.: LR just crashed when I tried to import more JPEG's, and doesn't like to start again. Hmmm ...  
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steffen

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Color space conversion when importing JPEG's
« Reply #1 on: March 12, 2007, 08:08:30 PM »

I forgot to mention:

I obtained the sRGB versions of the AdobeRGB JPEG's by using CS2.

/Steffen

P.S.: LR went back to life after a reboot. Phew! ...  
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