Method and apparatus for depth-related information propagation
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United States of America Patent
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Oct 7, 2014
Grant Date -
Aug 5, 2010
app pub date -
Jul 18, 2008
filing date -
Jul 26, 2007
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Abstract
The present invention relates to an apparatus for and a method of propagating depth-related information from a first depth-map (810) associated with a first image (820) to a second depth-map (860) associated with a second image (830), the first and second image being temporally proximate images in an image sequence. The method comprises generating an intermediate depth-map (840) associated with the second image (830) by propagating depth values from the first depth-map (810) to the intermediate depth-map (840) using pixels of the first image (820) and the second image (830), and generating a motion vector (850) using information comprising depth values in a spatial region around a first location in the first depth-map (810) and depth values in a spatial region around a second location in the intermediate depth-map (840) and generating a depth value for the second location in the second depth-map (860) using information comprising the motion vector (850) and the first depth-map (810).
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