Method for detecting motion vector
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United States of America Patent
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Dec 22, 1992
Grant Date -
N/A
app pub date -
Dec 30, 1991
filing date -
Dec 14, 1991
priority date (Note) -
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Abstract
A real time motion vector detection method for increasing a speed of motion detection by using a digital signal processor in an image processing system. It is possible to reduce an operation time by making most use of a feature of DSP chip in performing a motion detection with the three step detection method, i.e., a so-called coarse-fine search method to search roughly in a first step and search accurately in second and third steps on the assumption of the distortion measure between each block being smooth in a search area.
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