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Point Oriented Hexagonal Inner Search For Fast Block Motion Estimation

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3 Author(s)
Lai-Man Po ; Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China ; Chi-Wang Ting ; Ka-Ho Ng

Recently, an enhanced hexagon-based search (EHS) algorithm was proposed to speedup the original hexagon-based search (HS) by exploiting the group-distortion information of some evaluated points. In this paper, a second version of the EHS is proposed with a new point-oriented inner search technique which can further speedup the HS in both large and small motion environments. Experimental results show that the enhanced hexagon-based search version-2 (EHS2) is faster than the HS up to 34% with negligible PSNR degradation.

Published in:

Image Processing, 2006 IEEE International Conference on

Date of Conference:

8-11 Oct. 2006