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In this paper, we first propose a technique, referred as joint integral histograms, for weighted filtering with O(1) computational complexity. The technique is built on the classic integral images and the recent integral histograms. In a joint integral histogram, instead of remembering bin occurrences, the value at each bin indicates an integral defined by two signals. Beyond the integral histograms,...
We propose an area-based local stereo matching algorithm that yields accurate disparity estimates, while achieving the real-time speed completely on the graphics processing unit (GPU). For a local stereo method, the key challenge is to decide an appropriate support window for the pixel under consideration. Our stereo method starts with computing an upright local cross adaptively for each anchor pixel,...
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