Apparatus and method for reducing line flicker in a television picture
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United States of America Patent
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-
Sep 8, 1992
Grant Date -
N/A
app pub date -
Mar 1, 1991
filing date -
Mar 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Line flicker is detected by comparing luminance values provided by a video signal in vertically successive lines of two temporally successive fields. If there is a step change in adjacent lines, indicative of line flicker, the line flicker is corrected by adaptively delaying or accelerating corresponding lines within the field that experienced the step change.
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