Re: `Lossless' retroactive embedding of color profile (avoid JPEG recompression); basic color profile theory
Re: `Lossless' retroactive embedding of color profile (avoid JPEG recompression); basic color profile theory
- Subject: Re: `Lossless' retroactive embedding of color profile (avoid JPEG recompression); basic color profile theory
- From: "john castronovo" <email@hidden>
- Date: Wed, 2 Aug 2006 02:54:20 -0400
----- Original Message -----
From: "Graeme Gill"
Certainly if you continue to open and close (decompress
and compress) the same JPEG file with the same quantisation
table (usually the same program quality setting), then there
is no additional loss for each round.
Suppose the new file is saved with a better quality setting than the
first. I wouldn't expect it to get better of course, but could the
change in settings actually do some damage?
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