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Abstract

A movement detector for detecting movement in a television picture comprises a local movement detector which produces an output signal as a result of comparing similar input signals from different fields and the detector output signal is processed in a field store processor which spreads the output signal in space and in time. The processor comprises a recursive loop, a field delay element and a look-up table, with the latter receiving as inputs the output from the recursive loop and the instantaneous input to the processor to produce a control signal output. A line interlace to non-interlace transformation circuit including such a movement detector is also disclosed.

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First Claim