A method of encoding video display data, after that data has been previously converted from a film frame rate to a faster video frame rate, such as by 3:2 pulldown. The data is first re-converted to the film frame format, as progressive frames (21). This progressive frame data is processed to determine...http://www.google.com/patents/US5508750?utm_source=gb-gplus-sharePatent US5508750 - Encoding data converted from film format for progressive display
