thanks for the info above. The reason I tried the blurring channels in LAB
was because I read about it in a book where the author says that "switching
to LAB is a non-destructive mode change and won't damage your photo in any
way" and then goes on to describe the blurring of the a and b channels and
reconversion to RGB with no mention of loss of info. I guess I won't be
using this method any more.
Regards
Amanda
Amanda,
If you love your pixels then I would advise you not to pay attention to advice that tells you to convert from RGB mode to Lab and back to RGB again. As Neil so well points out, you are unnecessarily losing data. There was a time (say, 9 years ago) in the early days of Photoshop before layers and blending modes came along when it may have been useful to convert to Lab mode for moire removal via the a and b channels or carrying out luminosity sharpening. But there are better ways to do this now without converting to Lab - in my opinion it's old advice. Although I have had some fun recently devising some interesting cross processing effects for PhotoKit Color using lab colour mode, but then I was deliberately out to be down right nasty to those pixels!
Martin
Martin Evening Photography <www.martinevening.com> Co-listowner ProDIG discussion list <http://www.prodig.org>
Author of Adobe Photoshop CS for Photographers <www.photoshopforphotographers.com>
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