Out of curiosity, how many timed did you do this and what sorts of changes
did you see? Have you tried the same experiment using another image editing
program to eliminate the possibility that it might be more a by-product of
what PSP is doing than what is generic to JPEG compressions?
-----Original Message-----
From: owner-filmscanners@halftone.co.uk
[mailto:owner-filmscanners@halftone.co.uk]On Behalf Of Henk de Jong
Sent: Friday, March 30, 2001 12:59 AM
To: filmscanners@halftone.co.uk
Subject: Re: filmscanners: File format
> >Each time there would be some generational loss.
>
> Not necessarily true. If you open and close ( or resave) the compressed
file
> without changing the compression from one quality level to another in the
> case of .jog or without resampling the image prior to closing or resaving
> the file, there will be no more degradation than opening and closing or
> resaving a raw uncompressed file.
I just did a test.
Opening and saving the same .jpg file in PSP over and over without changing
anything.
Every step the picture is changing a little bit...
__________
With kind regards,
Henk de Jong
The Netherlands
Email:
hsdejong@worldmail.nl
Homepage Nepal - Trekking Around Annapurna - Photo Gallery:
