if you follow the technical description of how the CS RAW processor works,
it does just that. there is nothing in principle to prevent the technique
working on 8-bit images, but Adobe provides no capability in CS outside the
RAW converter. you would have to find someone who has written or can write a
plug-in. basically, the CS RAW converter detects a clipped histogram in a
single channel, and, so long as there is data in the other two channels, it
can synthesize what it thinks the channel ought to contain as you slide the
"exposure" downwards. i can't tell if the new CS2 Exposure adjustment does
something like this or not. if you have CS2, you can try the Exposure
adjustment to see what happens.
Herb...
----- Original Message -----
From: "Rob Studdert" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Friday, July 22, 2005 9:13 PM
Subject: Re: Amazing capability of RAW
Are you suggesting that there is some way to retrieve clipped data from an
8
bit JPG image? If so I'd like to know the technique. This comparison was
simply
posted in order to display that RAW image capture generally provides a
technical advantage. If my examples didn't make the fact plain that I
don't
know what would. Just for kicks I'd like to see someone massage the
unedited
JPG image to match JPG derived from the post processed RAW image.
