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A fast exhaustive search algorithm for rate-constrained motion estimation

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2 Author(s)
Coban, M.Z. ; Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; Mersereau, R.M.

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

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Image Processing, IEEE Transactions on  (Volume:7 ,  Issue: 5 )