Film-to-video format detection for digital television

Details Film-to-video format detection for digital television Film-to-video format detection for digital television

H - Electricity

04

N

H04N 5/46 (2006.01) H04N 5/44 (2006.01)

Patent

CA 2134813

A film-to-video format detector (24) for a digital television receiver (10). The detector (24) receives pixel data from a current field and a second preceding field. It determines a set of pixel difference values, sums them to obtain a field difference value, and compares the field difference value to a threshold. These steps are repeated to obtain a series of field difference indicators. This series is analyzed to determine whether it has a pattern corresponding to a film-to-video format.

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