Depth map generation for conversion of two-dimensional image data into three-dimensional image data
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United States of America Patent
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Apr 21, 2015
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Nov 28, 2013
app pub date -
May 24, 2012
filing date -
May 24, 2012
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Abstract
A method of depth map generation is disclosed. The method comprises the steps of: scaling down a video unit and a previous video unit to generate a reduced video unit and a reduced previous video unit; dividing the reduced video unit into N1 portions and a buffer into N2 storing units; performing a motion estimation for a target pixel of the reduced video unit to obtain a motion vector based on pixels in a preset search window established in the reduced previous video unit; assigning a depth value to the target pixel according to the motion vector; storing the target pixel in one of the N2 storing units sequentially; and, repeating the steps of performing, assigning and storing until all pixels of the reduced video unit are processed to obtain a motion depth map.
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