A w w motion estimation algorithm which exploits the tirot,ioti correlation of neighbor blocks in temporal and spatial diw(tiotts i s presented. Compared to existing fast block inii,t,cl:iiig algorithms, this algorithm achieves significant siiviiigs on computation t.ime and the amount of side iiiI'orti:ai,ion of motion vectors. In addition, the better (~si,iliiilI,iot: accuracy is also obtained.
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