Re: Image compression

[michael <cs@networkingnewsletter.org.uk>]

On Wed, 2008-05-21 at 20:02 +0000, Hendrik Boom wrote:
> I've noticed that some 40K byte jpeg files are very good, as good as ones 
> ten times the size, and that others are awful.  The question naturally 
> arises about the proper way to further compress the large images to save 
> disk space.
> 
> What image compression programs have people found to give good results?
> 
> And to what extent is good image quality the result of the algorithms 
> that display the image, adjusting image size to screen size and 
> resolution and the like?

isn't it image dependent? It is for GIFs and so I thought for JPEGs
too...