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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 4, Iss. 4 — Apr. 1, 2006
  • pp: 208–210

Motion estimation based on an improved block matching technique

Tangfei Tao, Chongzhao Han, Yanqi Wu, and Xin Kang  »View Author Affiliations


Chinese Optics Letters, Vol. 4, Issue 4, pp. 208-210 (2006)


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Abstract

An improved block-matching algorithm for fast motion estimation is proposed. The matching criterion is the sum of absolute difference. The basic idea is to obtain the best estimation of motion vectors by an optimization of the search process which can terminate the time-consuming computation of matching evaluation between the current block and the ineligible candidate block as early as possible and eliminate the search positions as many as possible in the search area. The performance of this algorithm is evaluated by theoretic analysis and compared with the full search algorithm (FSA). The simulation results demonstrate that the computation load of this algorithm is much less than that of FSA, and the motion vectors obtained by this algorithm are identical to those of FSA.

© 2005 Chinese Optics Letters

OCIS Codes
(100.0100) Image processing : Image processing
(100.2000) Image processing : Digital image processing
(330.4150) Vision, color, and visual optics : Motion detection

Citation
Tangfei Tao, Chongzhao Han, Yanqi Wu, and Xin Kang, "Motion estimation based on an improved block matching technique," Chin. Opt. Lett. 4, 208-210 (2006)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-4-4-208

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