On Sat, Apr 01, 2000 at 09:45:43PM +0000, "Steinar H. Gunderson" <sgunderson@xxxxxxxxxxx> wrote:
> If you look in the source code for the JPEG plugin, you will see that there is
> no easy way of deducting what quality the file as saved in.
I once wrote a utility named judge that guesses the quality of the image
(not the quality which it was saved at, but the lowest quality it was ever
saved). I know quite good how difficult it is. I also know that it is
simply impossible, and second-guessing something that is _very_ unreliable
at best does not make much sense to me.
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