GENERATING A DEPTH MAP FROM A TWO-DIMENSIONAL SOURCE IMAGE FOR STEREOSCOPIC AND MULTIVIEW IMAGING
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United States of America Patent
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app pub date -
Sep 14, 2012
filing date -
Jul 26, 2005
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Abandoned
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Abstract
Depth maps are generated from a monoscopic source images and asymmetrically smoothed to a near-saturation level. Each depth map contains depth values focused on edges of local regions in the source image. Each edge is defined by a predetermined image parameter having an estimated value exceeding a predefined threshold. The depth values are based on the corresponding estimated values of the image parameter. The depth map is used to process the source image by a depth image based rendering algorithm to create at least one deviated image, which forms with the source image a set of monoscopic images. At least one stereoscopic image pair is selected from such a set for use in generating different viewpoints for multiview and stereoscopic purposes, including still and moving images.
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