Might not be possible, it's not the format or algorithm thats patented - in many...

werftgh on Oct 1, 2010 | parent | context | favorite | on: H.264 and VP8 for still image coding: WebP?

Might not be possible, it's not the format or algorithm thats patented - in many cases it's the concept. A patent on compressing an image by only storing some spatial frequencies gets you however you code the DCT.