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     áòèé÷ :: Filmscanners
Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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Re: filmscanners: File format



//
Thank you for every one who participate my question.
Now I got the point.
HT Tin 31st/Mar/2001
//



Tony Sleep wrote:
> 
> On Fri, 30 Mar 2001 09:49:05 +0800  httin (httin@china.com) wrote:
> 
> >
> > Did any one knows whether is there any informations/details loses when
> > store in compressed JPG format in maximum quality 10 and while you keep
> > opening and saving the same file many times?
> 
> If you merely open and save a JPEG at the same compression, without editing,
> you lose nothing. If you edit, you lose information. It's impossible to
> quantify how much, since it varies depending on the image and what you do to
> it.
> 
> > And how about the raw file TIFF?
> Lossless, whatever you do, except for the distortions introduced by arithmetic
> during editing operations. Again, this is variable.
> 
> Regards
> 
> Tony Sleep
> http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info &
> comparisons




 




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