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Modifications and performance improvements of 3-step search block-matching algorithm for video coding

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3 Author(s)
Her-Ming Jong ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Liang-Gee Chen ; Tzi-Dar Chiueh

The paper proposes three modifications to the 3-step hierarchical search block-matching algorithm for video coding: a multiple-winner search that improves the estimation accuracy, a method of subsampling that reduces computation and input data amount, and an overlapping strategy that improves the accuracy of large-area search. Experimental results show that combining these techniques provides high-speed and high-precision motion estimators with reduced on-chip buffers and lowered input bandwidth requirements

Published in:

Speech, Image Processing and Neural Networks, 1994. Proceedings, ISSIPNN '94., 1994 International Symposium on

Date of Conference:

13-16 Apr 1994