Video processing system providing interlaced video field inversion detection features and related methods
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United States of America Patent
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Dec 6, 2016
Grant Date -
Jul 30, 2009
app pub date -
Jan 29, 2008
filing date -
Jan 29, 2008
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Abstract
A video processing system may include an input for receiving interlaced video data arranged in successive frames each including odd and even fields. A processor may be coupled to the input for determining an improper inversion of the odd and even fields based upon a pair(s) of successive first and second frames each including successive first and second fields. The processor may generate a first difference value(s) based upon a comparison between the first field in the first frame and the second field in the second frame, and a second difference value(s) based upon a comparison between a second field in the first frame and the first field in the second frame. The processor may determine an improper inversion of the odd and even fields based upon a comparison of the first difference value(s) and the second difference value(s) for the pair(s) of successive first and second frames.
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