Rate distortion analysis of layered video coding by leaky prediction

Yuxin Liu; Paul Salama; Gregory W. Cook; Edward J. Delp III

doi:10.1117/12.527311

18 January 2004 Rate distortion analysis of layered video coding by leaky prediction

Yuxin Liu, Paul Salama, Gregory W. Cook, Edward J. Delp III

Proceedings Volume 5308, Visual Communications and Image Processing 2004; (2004) https://doi.org/10.1117/12.527311
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

Leaky prediction layered video coding (LPLC) partially includes the enhancement layer in the motion compensated prediction loop, by using a leaky factor between 0 and 1, to balance the coding efficiency and error resilience performance. In this paper, rate distortion functions are derived for LPLC from rate distortion theory. Closed form expressions are obtained for two scenarios of LPLC, one where the enhancement layer stays intact and the other where the enhancement layer suffers from data rate truncation. The rate distortion performance of LPLC is then evaluated with respect to different choices of the leaky factor, demonstrating that the theoretical analysis well conforms with the operational results.

Citation Download Citation

Yuxin Liu, Paul Salama, Gregory W. Cook, and Edward J. Delp III "Rate distortion analysis of layered video coding by leaky prediction", Proc. SPIE 5308, Visual Communications and Image Processing 2004, (18 January 2004); https://doi.org/10.1117/12.527311

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