Efficient motion estimation using spatial and temporal motion vector prediction

TitleEfficient motion estimation using spatial and temporal motion vector prediction
Publication TypeConference Paper
Year of Publication1999
AuthorsIsmaeil, I., A. Docef, F. Kossentini, and R. Ward
Conference NameImage Processing, 1999. ICIP 99. Proceedings. 1999 International Conference on
Pagination70 -74 vol.1
Keywordsblock matching, code standards, experimental results, H.263 encoding, image matching, image sequences, motion estimation, motion vector, moving video sequences, MPEG-2 encoding, search algorithm, spatial motion vector prediction, telecommunication standards, temporal motion vector prediction, video coding

This paper presents a motion estimation technique for the coding of moving video sequences that is based on spatial and temporal prediction. The motion vector of a moving object is tracked using spatial and temporal prediction and used as a starting point for the motion estimation search algorithm. The predicted motion vector is selected from several candidate motion vectors according to the block matching criterion. Experimental results show that spatio-temporal prediction reduces the number of computations performed by the motion search algorithm by 30% for MPEG-2 encoding and by 40% for H.263 encoding


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