Television – Image signal processing circuitry specific to television – Chrominance-luminance signal separation
Reexamination Certificate
2005-10-01
2008-10-28
Hsia, Sherrie (Department: 2622)
Television
Image signal processing circuitry specific to television
Chrominance-luminance signal separation
C348S669000, C348S621000
Reexamination Certificate
active
07443454
ABSTRACT:
A method for treating inter-frame motion in a series of consecutive signal frames of a composite video signal includes the steps of, for an evaluation pixel position in each frame of a test frame-set including three successive signal frames: (a) determining whether there is at least a predetermined difference in chroma component or in luma component signals at the evaluation pixel; (b) if in step (a) there is not a predetermined difference in chroma component signals or in luma component signals, determining whether a first and third frame of the test frame-set are substantially identical; (c) determining whether at least a first predetermined number of the luma or chroma component signals in the test frame-set present at least one false color; and (d) determining whether at least a second predetermined number of high frequency luma component signals exist in the test frame-set.
REFERENCES:
patent: 6108048 (2000-08-01), Rinaldi
patent: 7046306 (2006-05-01), Zhai et al.
patent: 7349033 (2008-03-01), Chang et al.
Chandrasekaran Ramesh M.
Chang Weider Peter
Renner Karl
Brady III Wade J.
Hsia Sherrie
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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