Re: [opensource-dev] WebP, a new image format for the Web

2010-10-05 Thread Philippe (Merov) Bossut
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:

Re: [opensource-dev] WebP, a new image format for the Web

2010-10-01 Thread Tateru Nino
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

Re: [opensource-dev] WebP, a new image format for the Web

2010-10-01 Thread Ron Festa
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

Re: [opensource-dev] WebP, a new image format for the Web

2010-10-01 Thread Ron Festa
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