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Re: Re: [OM] Re: archive slide scanning

Subject: Re: Re: [OM] Re: archive slide scanning
From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
Date: Fri, 28 Jun 2002 11:23:00 +1000



> C.H.Ling <chling@xxxxxxxxxxxxx> wrote:
> 
> I think it is not very true, for the same JPG file if you open it and
> re-save it again at the same compression level, the loss is very very
> little, I learn this from a book for Photoshop 2.5 many years ago. I
> remember there is a feature in Photoshop that can compare the
> different between two pictures, the author open and save a file seven
> times and found the different between the first JPEG and the last one
> has only very little different. 
> 

I wouldn't be too surprised if this behaviour is different with other image 
editors.  It 
may be ok with Photoshop, but I wouldn't rely on it with other editors before 
testing.


Wayne Harridge

http://members.optusnet.com.au/~w_harridge

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