Television signal coder

Details Television signal coder Television signal coder

H - Electricity

04

N

350/33

H04N 7/00 (2006.01) G06T 9/00 (2006.01)

Patent

CA 1129074

Abstract of the Disclosure A television signal coder for encoding a television signal using correlations to compress the amount of information transmitted is disclosed. n fields are selected from every m fields of the signal and a predicted signal level for each picture element in the n fields is represented by an interpolated value of the respective spatially corresponding picture elements in the preceding and succeeding fields. The difference between this inter- polated value and each corresponding picture element, i.e., the prediction error, is coded and transmitted and the signal for the remaining (m-n) fields is coded and transmitted according to any one of the coding systems based on frame-to-frame difference, field-to-field difference and inter-frame difference.

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