Hybrid video compression considering regions of interest

Frank Mueller; Klaus Illgner

doi:10.1117/12.263278

10 January 1997 Hybrid video compression considering regions of interest

Frank Mueller, Klaus Illgner

Proceedings Volume 3024, Visual Communications and Image Processing '97; (1997) https://doi.org/10.1117/12.263278
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

A hybrid video compression scheme is reviewed and the incorporation of the concept of regions of interest into this scheme is investigated. The employed DFD coding method is in its main aspects close to the classical pyramid approach of Burt and Adelson. In particular a centered least squares Laplacian pyramid is used which decomposes the DFD into several levels with differing spatial resolution. This pyramid is quantized and coded following a layered quantization approach together with a layered coding method based on conditional arithmetic coding. The DFD encoder outputs an embedded bit stream. Thus the coder control may truncate the bitstream at any point,a nd can keep a fixed rate. SImulation results show that incorporation of regions of interest can further improve the rate-distortion performance for low bit rate video coding.

Citation Download Citation

Frank Mueller and Klaus Illgner "Hybrid video compression considering regions of interest", Proc. SPIE 3024, Visual Communications and Image Processing '97, (10 January 1997); https://doi.org/10.1117/12.263278

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