APPARATUS AND METHOD FOR DETERMINING A DISPARITY ESTIMATE
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Abstract
The invention relates to a method and an apparatus for determining a disparity value for an object located in or to be placed into a stereoscopic image pair having an associated disparity map. First an area to be analyzed in one of the stereoscopic images is determined Then a histogram is built from disparity estimates of the associated disparity map that fall within the determined area. Subsequently a contiguous range of bins is searched in the histogram that also contains a sufficient number of pixels. Finally, a disparity estimate for the determined area is selected from the contiguous range of histogram bins.
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Citations
24 Claims
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1-12. -12. (canceled)
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13. A method for determining a disparity value for an object located in or to be placed into a stereoscopic image pair, the stereoscopic image pair having an associated disparity map, the method comprising the steps of:
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determining an area to be analyzed in one of the stereoscopic images; building a histogram from disparity estimates of the associated disparity map that fall within the determined area; searching a contiguous range of histogram bins that also contains at least a defined number of pixels; and selecting a disparity estimate for the determined area from the contiguous range of histogram bins. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An apparatus for determining a disparity value for an object located in or to be placed into a stereoscopic image pair, the stereoscopic image pair having an associated disparity map, wherein the apparatus comprises:
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a graphics analyzing block configured to determine an area to be analyzed in one of the stereoscopic images; a histogram building block configured to build a histogram from disparity estimates of the associated disparity map that fall within the determined area; a searching block configured to search a contiguous range of histogram bins that also contains at least a defined number of pixels; and a disparity estimation block configured to select a disparity estimate for the determined area from the contiguous range of histogram bins.
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Specification