2005.09.08 19:13 "[Tiff] creating JPEG file", by Philip Watkinson

2005.09.08 23:08 "Re: [Tiff] creating JPEG file", by Joris Van Damme

More specifically, the file format that most people call "JPEG" is actually the JFIF format ("JPEG File Interchange Format").

Yes. Of course you're absolutely correct, Bob, but it's hard to mention this too and not become too confusing...

Not every JPEG is necessarilly a JFIF, and a JPEG compressed strip/tile is a JPEG but should not be a JFIF... Fun, isn't it? I think I need to clarify, or at least try to.

In short, JFIF adds a little to the older JPEG specification, in order to have good ways to communicate such properties as color space and densitity and such in a JPEG file. But JFIF does not change nor specificy the actual compression scheme, JPEG does.

The little that JFIF adds, is

Joris Van Damme
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