A scalable video encoding method and apparatus based on a plurality of layers are provided. The video encoding method for encoding a video sequence having a plurality of layers includes coding a residual of a first block existing in a first layer among the plurality of layers; recording the coded residual...http://www.google.de/patents/US20070121723?utm_source=gb-gplus-sharePatent US20070121723 - Scalable video coding method and apparatus based on multiple layers
