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Model-based quarter-pixel motion estimation with low computational complexity

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3 Author(s)
Suh, J.W. ; Diagnostic Radiol., Yale Univ., New Haven, CT ; Cho, J. ; Jeong, J.

Proposed is an interpolation-free quarter-pixel motion estimation method based on a mathematical model for video encoding. In this method, only three shift operators and four compare operators are required in each horizontal and vertical direction to find a quarter-pixel resolution motion vector. Experimental results show that the proposed method reaches almost the same performance as an interpolation-based full-search for quarter-pixel motion estimation with much less computational complexity.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 12 )