Adaptive noise reduction apparatus using motion detection signal
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United States of America Patent
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Sep 21, 1993
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N/A
app pub date -
Dec 26, 1991
filing date -
Dec 28, 1990
priority date (Note) -
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Abstract
A noise reduction apparatus is disclosed which comprises a horizontal motion compensator, a subtractor, a memory, NOR and OR gates, a current frame value altering unit, an adder, and delaying units, thereby greatly enhancing background picture quality of a picture and preventing after-image of a motion picture.
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