Described are techniques for performing lossy encoding. Source data and quality data are received by an encoder. The encoder maps the source data into a compressed representation having a level of distortion in accordance with the quality information. The compressed representation may be decoded without...http://www.google.es/patents/US7327287?utm_source=gb-gplus-sharePatente US7327287 - Lossy data compression exploiting distortion side information
Lossy data compression exploiting distortion side information