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An Elastic-Block Matching Algorithm Using a Bilinear Space Warping
Hansoo KIM Jae-Kyoon KIM
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/06/25
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Digital Image Processing
motion estimation, block matching algorithm, space warping,
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A new Elastic-Block Matching Algorithm using bilinear space warping is proposed. In this scheme a convex quadrilateral, which minimizes a distortion measure against the current square block, is searched to compensate the shape deformation caused by a rigid body's 3 dimensional depth motion or rotation. The proposed algorithm gives a remarkable improvement in motion-compensated prediction compared with the conventional algorithm.