H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/33
H04N 7/12 (2006.01)
Patent
CA 1137216
Abstract: The present invention relates to an apparatus for encoding a video signal which represents the intensity values of elements of a picture. The apparatus includes a unit for computing an estimate of the translation of objects in the picture occuring during a time period between first and second representations of the picture. A unit is provided for predicting the intensity values of pels in the first representation based on intensity values of pels in the second representation and the estimate of translation. A comparator is provided for comparing each predicted value with the corresponding true value to generate an error value. An encoder is provided for encoding the error value only if it exceeds a threshold. The computing unit is arranged to recursively update the displacement estimate.
397975
Netravali Arun N.
Robbins John D.
Kirby Eades Gale Baker
Western Electric Company Incorporated
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