A new diamond search algorithm for fast block-matching motion estimation
IEEE Transactions on Image Processing
A novel four-step search algorithm for fast block motion estimation
IEEE Transactions on Circuits and Systems for Video Technology
A novel unrestricted center-biased diamond search algorithm for block motion estimation
IEEE Transactions on Circuits and Systems for Video Technology
Normalized partial distortion search algorithm for block motion estimation
IEEE Transactions on Circuits and Systems for Video Technology
Hexagon-based search pattern for fast block motion estimation
IEEE Transactions on Circuits and Systems for Video Technology
Adjustable partial distortion search algorithm for fast block motion estimation
IEEE Transactions on Circuits and Systems for Video Technology
Enhanced hexagonal search for fast block motion estimation
IEEE Transactions on Circuits and Systems for Video Technology
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In order adapt the center-biased characteristic of motion information in the real world video sequences, an improved method for starting point is proposed in this paper. For precise prediction of motion information in current block, we referred to motion vector of blocks in the reference frame and current frame. We also modified the search pattern of first step in enhanced hexagonal search. Experimental results show that the proposed algorithm reduces computational complexity in terms of the both time and search point, and improve peak-to-signal ratio of video sequence.