Hi,
I was puzzled by this "yet another image format" from Google and did some
quick research tonight. Not much turned up in the data provided by Google
and, as always, the best starting point is Wikipedia:
http://en.wikipedia.org/wiki/WebP . Short but to the point.
The critical part is the Math:
Hmm. Only supports a single image data chunk and no alpha channels in
this release. True, you could break compatibility and extend it, but I'm
not sure that's really the way to go. Not close to a drop-in replacement
yet, even after banging it on some rocks.
On 2/10/2010 3:15 AM, SuezanneC Bas
Also forgot to add this link as its a good write up and comparison of x264
vs vp8 vs JPEG w/jpgcrunch for still images:
http://x264dev.multimedia.cx/?p=541
Ron Festa
Virtual Worlds Admin
Division of Continuing Studies at Rutgers University
PGP key: http://bit.ly/b1ZyhY
Phone: 732-474-8583
On Fri
VP8 focuses too much on PSNR which for still photo usage comes out blurrier.
Plus Google's ref-spec VP8 is not exactly known for being CPU friendly on
encode or decode. Even then they're comparing to standard JPEG, not JPEG2000
which there has yet to be a comparison test of. Even then its an unprov