Television – Image signal processing circuitry specific to television – Motion dependent key signal generation or scene change...
Patent
1992-01-22
1995-01-31
Groody, James J.
Television
Image signal processing circuitry specific to television
Motion dependent key signal generation or scene change...
348700, 348669, H04N 964
Patent
active
053862490
ABSTRACT:
In each of various motion detectors operative on composite video signal comprising chrominance component signals as well as a luminance component signal, the chrominance component signals are suppressed with a filter that removes only diagonal high frequencies in the spatial-frequency domain. These diagonal high frequencies in the spatial-frequency domain include the chrominance signal components of the composite video signal if it is in accordance with an appropriate standard, such as that employed by broadcasters in the United States of America. Motion detection is improved by reason of including more of the spatial high-frequency components.
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Ko Jung W.
Strolle Christopher H.
Bushnell Robert E.
Groody James J.
Hsia Sherrie
Samsung Electronics Co,. Ltd.
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