A method and apparatus for performing scaling functions on a video signal is presented, where the scaling functions include a change in data rate of the signal. This is accomplished by performing the data rate conversion within a horizontal scaler of a video decoder. Filtering operations in the horizontal...http://www.google.com/patents/US6347154?utm_source=gb-gplus-sharePatent US6347154 - Configurable horizontal scaler for video decoding and method therefore
