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《Journal of Data Acquisition & Processing》 2001-01
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Object-Based Motion Estimation Method Using Diamond Search

Hong Bo Yu Songyu Institute of Image Communication and Information Processing,Shanghai Jiaotong University Shanghai 200030,P.R.China  
MPEG-4 is an object-based video standard, the motion estimation method of MPEG-4 is different from other video standards. This paper proposes an object-based motion estimation algorithm using diamond search. Based on the segmentation information of the picture and the correlation of motion vectors, the proposed algorithm can reduce the average search points in getting motion vectors. Experimental results show that the algorithm is computationally efficient while keeping better image quality.
【CateGory Index】: TN919.81
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