Television – Image signal processing circuitry specific to television – Motion dependent key signal generation or scene change...
Reexamination Certificate
2011-08-02
2011-08-02
Diep, Nhon T (Department: 2486)
Television
Image signal processing circuitry specific to television
Motion dependent key signal generation or scene change...
Reexamination Certificate
active
07990477
ABSTRACT:
Method and apparatus for detecting transitions in a video sequence, which include detecting an abrupt transition including, for each image It−2kincluded in said video sequence and with a processing time rank t−2k: calculating a first distance D(It−k), between an image It−kand a reference image for said image It−k, which precedes said image It−kin the video sequence; calculating a second distance D(It−2k), between an image It−2kand a reference image for said image It−2k, which precedes said image It−2kin the video sequence; calculating a third distance D(It−3k), between an image It−3kand a reference image for said image It−3k, which precedes said image It−3kin the video sequence; calculating a criterion C′ indicating whether said second distance D(It−2k) is significantly greater than the largest of the first and third distances, D(It−k) and D(It−3k); deciding, according to said criterion C′, on the belonging of the image It−2kto an abrupt transition.
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Guionnet Thomas
Kypreos Jean
Person Tanguy
Brush David D.
Diep Nhon T
Envivio France
Westman Champlin & Kelly P.A.
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