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Motion estimation based on spatiotemporal warping for very low bit-rate coding

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2 Author(s)
Malassiotis, S. ; Dept. of Electr. Eng., Thessaloniki Univ., Greece ; Strintzis, M.G.

In this paper, a motion estimation algorithm is presented, based on spatiotemporal warping of an image sequence. The motion field function is modeled by isoparametric cubic finite elements, depending on a set of elementary displacement vectors. A model refinement scheme is proposed for the adaptively higher bit allocation to motion information in locations with high-motion activity

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Communications, IEEE Transactions on  (Volume:45 ,  Issue: 10 )