The addition of comfort noise to an image serves to hide compression artifacts. To facilitate comfort noise addition, supplemental information accompanying a video image contains at least one parameter that specifies an attribute regarding comfort noise. Typically, the supplemental information includes...http://www.google.es/patents/US20070058866?utm_source=gb-gplus-sharePatente US20070058866 - Technique for bit-accurate comfort noise addition
Número de solicitud: 10/575,501 Número de publicación: US 2007/0058866 A1 Fecha de presentación: 12 Oct 2004 Patente emitida: US7680356 ( Fecha de emisión 16 Mar 2010)
