Hybrid VQ of video sequences using quadtree motion segmentation

Wenhua Li; Ezzatollah Salari

doi:10.1117/12.185896

16 September 1994 Hybrid VQ of video sequences using quadtree motion segmentation

Wenhua Li, Ezzatollah Salari

Proceedings Volume 2308, Visual Communications and Image Processing '94; (1994) https://doi.org/10.1117/12.185896
Event: Visual Communications and Image Processing '94, 1994, Chicago, IL, United States

Abstract

A new hybrid coding scheme for video sequences is presented. With the introduction of a fast quadtree motion segmentation algorithm, motion vectors are estimated with variable size block matching which produces better performance considering both overhead motion information and motion compensated prediction error. Small blocks containing high motion activities are intraframe vector quantized, whereas large blocks representing smooth motion areas are first decimated and then interframe vector quantized. Simulation results demonstrate that the proposed scheme performs very well.

Citation Download Citation

Wenhua Li and Ezzatollah Salari "Hybrid VQ of video sequences using quadtree motion segmentation", Proc. SPIE 2308, Visual Communications and Image Processing '94, (16 September 1994); https://doi.org/10.1117/12.185896

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