Methods and apparatus for correcting disparity maps using statistical analysis on local neighborhoods
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United States of America Patent
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Oct 28, 2014
Grant Date -
May 30, 2013
app pub date -
Nov 13, 2012
filing date -
Nov 30, 2011
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Abstract
Methods and apparatus for disparity map correction through statistical analysis on local neighborhoods. A disparity map correction technique may be used to correct mistakes in a disparity or depth map. The disparity map correction technique may detect and mark invalid pixel pairs in a disparity map, segment the image, and perform a statistical analysis of the disparities in each segment to identify outliers. The invalid and outlier pixels may then be corrected using other disparity values in the local neighborhood. Multiple iterations of the disparity map correction technique may be performed to further improve the output disparity map.
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