A method estimates rate and distortion characteristics of a video object. First and second object shape features are respectively extracted at a first and second resolution of the video object. First and second rate distortion characteristics of the video object are respectively determined from the extracted...http://www.google.com/patents/US6542545?utm_source=gb-gplus-sharePatent US6542545 - Estimating rate-distortion characteristics of binary shape data
Estimating rate-distortion characteristics of binary shape data