Re: sRGB & Jazz
Re: sRGB & Jazz
- Subject: Re: sRGB & Jazz
- From: Andrew Rodney <email@hidden>
- Date: Thu, 22 May 2003 10:57:19 -0600
on 5/22/03 9:26 AM, Jack Kelly Clark wrote:
>
Scitex software for this scanner, no ICC workflow was used, and the
>
scans were delivered to me as untagged TIFF files (we were shopping
>
for a rate on bulk scanning).
That's a big problem! You a lot of RGB numbers with no meaning so the
preview is science fiction (the preview is based on your RGB Working Space
which may not be anything like the scan).
>
During the course of evaluating the scans I discovered that, right
>
after opening the TIFF in Photoshop, if I use the Assign Profile
>
command to assign the loathsome sRGB profile to the file, there is a
>
dramatic, marked improvement in the overall image being displayed on
>
my monitor. It's similar to the dramatic change I see when sRGB is
>
assigned to untagged digicam images.
The data is closer to (or exactly?) sRGB than the RGB Working Space you had
when viewing the untagged file. But is the file really sRGB or just close?
Without a scanner profile, it's a guessing game.
>
What's going on here? If I assign sRGB to these scans, which fixes
>
a lot of oversaturated colors real quick, then convert to Adobe RGB...
Wow, no reason to do that! You're not gaining anything.
>
Or, if I just assign Adobe RGB and then edit the glowing red
>
faces and other oversaturated colors, etc...
That's no good. You're editing what could be perfectly fine data that's
previewing incorrectly because you have untagged data being viewed as a
colorspace it's clearly not. The fix isn't changing the numbers; they are
what they are. The fix is assigning the right profile.
Why would you be dealing with a lab that provides untagged scans?
Andrew Rodney
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| | >sRGB & Jazz (From: Jack Kelly Clark <email@hidden>) |