Television – Image signal processing circuitry specific to television – Motion dependent key signal generation or scene change...
Reexamination Certificate
2007-02-23
2011-11-22
Lee, Michael (Department: 2422)
Television
Image signal processing circuitry specific to television
Motion dependent key signal generation or scene change...
C348S607000, C348S699000, C348S700000, C382S275000, C382S261000, C375S240290
Reexamination Certificate
active
08063995
ABSTRACT:
The system described herein is a unified approach to three-dimensional filtering for the reduction of video noise. The technique is based on weight averaging pixels of the filter's output value in a three-dimensional neighborhood, in space and time, of the filter's output value. The weights can be computed for individual factors, such as distance, regional differences, etc., or can be combined into a weight that is indicative of all individual weights.
REFERENCES:
patent: 2006/0103765 (2006-05-01), Zhou et al.
patent: 2006/0139493 (2006-06-01), Kim
patent: 2006/0139494 (2006-06-01), Zhou et al.
Kim Yeong-Taeg
Xu Ning
Désir Jean W
Lee Michael
Samsung Electronics Co,. Ltd.
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