From: "Steve Jolly" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, November 13, 2004 10:46 PM Subject: Re: Reducing File Size with Photoshop
> William Robb wrote: > > Imagine you have 50 identical pennies on a table top. > > An uncompressed file describes each penny in detail. > > A JPEG describes one penny in detail, and then tells you where the other > > 49 are located on the table. > > Again, I'm sorry, but JPEG doesn't work like that either. Fractal > compression algorithms are conceptually similar to the method you > describe, but there aren't any popular implementations of those. > > I could attempt a description of how JPEG "really" works if people are > interested? Please do, Steve. And thanks! Lasse
