Motion vector detector, distance detector, motion vector detection method and computer program product
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United States of America Patent
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Feb 28, 2017
Grant Date -
Oct 29, 2015
app pub date -
Apr 17, 2015
filing date -
Apr 24, 2014
priority date (Note) -
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Abstract
According to an embodiment, a motion vector detector includes a searcher, a converter, a synthesizer, and a corrector. The searcher is configured to search for, in each block in a first image having a resolution of interest, an area having a high degree of correlation with a second image having the resolution of interest, and generate a first flow representing a set of motion vectors having the resolution of interest. The converter is configured to generate a second flow representing a set of motion vectors having the resolution of interest from a set of motion vectors having a higher resolution. The synthesizer is configured to generate a third flow representing a set of motion vectors having the resolution of interest. The corrector is configured to generate a set of motion vectors having the resolution of interest by optimizing gradient objective function having initial value set to the third flow.
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