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Title: A block motion vector estimation using pattern based pixel decimation
Authors: Chan, YL 
Hui, WL
Siu, WC 
Issue Date: 1997
Source: ISCAS '97 : proceedings of 1997 IEEE International Symposium on Circuits and Systems : circuits and systems in the information age : June 9-12, 1997, Hong Kong, v. 2, p. 1153-1156
Abstract: A new pixel decimation technique based on a set of the pixel patterns for block motion vector estimation is presented. For uniform pixel decimation, regular patterns are used for computing the matching criterion to estimate the motion vector. The results can easily be misled by some image textures. Thus, in this paper, we define some “most representative pixel patterns” and make the selection according to the image content in each block for the matching criterion. Our approach can efficiently compensate the drawback in uniform pixel decimation. Computer simulations show that this technique is close to the performance of the full search, and has a significant reduction on computational complexity as compared with other pixel decimation algorithms in the literature. Also, it is more convenient for hardware realization as compared with the fully adaptive pixel decimation.
Keywords: Computational complexity
Image matching
Image texture
Motion estimation
Publisher: IEEE
ISBN: 0-7803-3583-X
DOI: 10.1109/ISCAS.1997.622014
Rights: © 1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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