Video coding with lifted wavelet transforms and complementary motion-compensated signals

Markus H. Flierl; Pierre Vandergheynst; Bernd Girod

doi:10.1117/12.525831

18 January 2004 Video coding with lifted wavelet transforms and complementary motion-compensated signals

Markus H. Flierl, Pierre Vandergheynst, Bernd Girod

Proceedings Volume 5308, Visual Communications and Image Processing 2004; (2004) https://doi.org/10.1117/12.525831
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

This paper investigates video coding with wavelet transforms applied in the temporal direction of a video sequence. The wavelets are implemented with the lifting scheme in order to permit motion compensation between successive pictures. We improve motion compensation in the lifting steps and utilize complementary motion-compensated signals. Similar to superimposed predictive coding with complementary signals, this approach improves compression efficiency. We investigate experimentally and theoretically complementary motion-compensated signals for lifted wavelet transforms. Experimental results with the complementary motion-compensated Haar wavelet and frame-adaptive motion compensation show improvements in coding efficiency of up to 3 dB. The theoretical results demonstrate that the lifted Haar wavelet scheme with complementary motion-compensated signals is able to approach the bound for bit-rate savings of 2 bits per sample and motion-accuracy step when compared to optimum intra-frame coding of the input pictures.

Citation Download Citation

Markus H. Flierl, Pierre Vandergheynst, and Bernd Girod "Video coding with lifted wavelet transforms and complementary motion-compensated signals", Proc. SPIE 5308, Visual Communications and Image Processing 2004, (18 January 2004); https://doi.org/10.1117/12.525831

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