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Fast full search motion estimation algorithm using various matching scans in video coding

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3 Author(s)
Jong-Nam Kim ; Res. Div. 3, Tech. Res. Inst. of KBS, Seoul, South Korea ; Sung-Cheal Byun ; Byung-Ha Ahn

To reduce the amount of computation in a full search (FS) algorithm for fast motion estimation, we propose a novel and fast FS motion estimation algorithm. The computational reduction without any degradation in the predicted image comes from fast elimination of impossible motion vectors. We obtain faster elimination of inappropriate motion vectors using efficient matching units from localization of the complex area in image data. We show three properties in block matching of motion estimation. We suggest two fast matching scan algorithms, one from adaptive matching scan and the other from fixed dithering order. Experimentally, we remove the unnecessary computations by about 30% with our proposed algorithm compared to conventional fast matching scan algorithms

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Systems, Man, and Cybernetics, Part C: Applications and Reviews, IEEE Transactions on  (Volume:31 ,  Issue: 4 )