//
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