Flatted hexagon search method for fast block motion estimation

Details Flatted hexagon search method for fast block motion estimation Flatted hexagon search method for fast block motion estimation

2005-10-21

2009-12-01

Ahmed, Samir A. (Department: 2624)

Image analysis

Applications

Motion or velocity measuring

Reexamination Certificate

active

07627140

ABSTRACT:
A flatted hexagon search method selects seven initial check points over three adjacent rows with six of the initial check points positioned at vertices of a hexagon and one of the initial check points positioned at a center of the hexagon. Then the seven initial check points are searched to find a minimum BDM (block distortion measure) point. With the flatted hexagon, the method will optimize speed and matching probability. Therefore the method is an attractive algorithm to estimate motion vectors for real world video data.

REFERENCES:
patent: 6842483 (2005-01-01), Au et al.
patent: 6968008 (2005-11-01), Ribas-Corbera et al.
patent: 2002/0025001 (2002-02-01), Ismaeil et al.
patent: 2004/0190613 (2004-09-01), Zhu et al.

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