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http://dx.doi.org/10.5573/ieek.2013.50.5.191

Detection of View Reversal in a Stereo Video  

Son, Ji Deok (School of Electronic Engineering, Inha University)
Song, Byung Cheol (School of Electronic Engineering, Inha University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.50, no.5, 2013 , pp. 191-198 More about this Journal
Abstract
This paper proposes detection of view reversal in a stereo video using depth map and motion vector information. We obtain a depth map by using a stereo matching and divide the input image into foreground and background. Next, we obtain a motion vector field by using a motion estimation. In general, an occluded region is in background when foreground goes toward the adjacent background or the background goes toward the adjacent foreground. But, we will face with the change of foreground and background because their depths also change when view reversal occurs. Therefore, we can detect the view reversal in stereo videos by using the observation that the foreground goes toward the adjacent background or the background goes toward the adjacent foreground. The experimental results show that the proposed algorithm achieves good detection rate when the background region is sufficiently occluded by the moving foreground.
Keywords
stereo video; view reversal; stereo matching; motion estimation; gradient;
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