A fast exhaustive search algorithm for rate-constrained motion estimation.
other · Level V
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- Record sourced from PubMed, PMID 18276290.
- Also identified by DOI 10.1109/83.668031.
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Abstract
A fast exhaustive search algorithm for rate-constrained motion estimation is presented. The motion vectors are selected from a search window based on a rate-distortion criterion by successively eliminating the search positions depending on the rate constraint. The estimation performance of the proposed algorithm is identical to the performance of the rate-constrained full search algorithm, with considerable reduction in computation. Simulation results indicate that the number of matching calculations decreases as the constraint on the rate increases.