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Re: filmscanners: File format



On Mon, 2 Apr 2001 14:37:09 +0100  Alan  Tyson 
(AlanTyson@bknowl.freeserve.co.uk) wrote:

> Is it perhaps that jpeg is specially suited to
> 'photographic' images, and not to areas of single solid
> colours with sharp edges like Henk's image? The latter is
> rare in photographic images, and lossless gif does an
> excellent compression job on that sort of thing anyway.

Yes, that is correct: JPEG is worse for graphic stuff like lettering featuring 
single, solid colours, and also much larger than GIF on such images. But GIF is 
inefficient on photographic images, and can be just plain terrible, depending 
on the palette selected and saved.

Regards 

Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info & 
comparisons




 




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