Video image mapping system
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United States of America Patent
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Dec 22, 1992
Grant Date -
N/A
app pub date -
Mar 29, 1991
filing date -
Mar 29, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A video mapping system includes a weighting coefficients generator and a two-dimensional resampling filter that efficiently utilize memory resources and operate fast enough to process a video image stream without introducing artifacts through temporal interpolation. This system can accommodate non-linear and many-to-one mappings, allowing a source two-dimensional video image to be folded over itself in complicated ways to produce an image in the target coordinate system. The only restrictions are that the mapping be piecewise continuous and single-valued. Anti-aliasing filtering is implicit in the approach.
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