Television – Image signal processing circuitry specific to television – Motion vector generation
Patent
1995-06-06
1998-12-01
Chin, Tommy P.
Television
Image signal processing circuitry specific to television
Motion vector generation
348416, 348415, 348411, 348413, H04N 0718
Patent
active
058446303
ABSTRACT:
A motion detector and a motion area detector detect shifts of areas at which motions exist by using signals of fields before and after the field to be detected. According to shifts of the detected areas, an initial vector closest to the true motion is selected among prospective initial vectors produced at an initial vector selector or an initial vector detector by a block matching method, thereby reducing detection errors in motion vectors occurring at a time of the detection of motion vectors, and thereby improving accuracy of motion vectors, so that image distortions would reduced in an interpolating process.
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Chin Tommy P.
OKI Electric Industry Co., Ltd.
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