Rate distortion cost modeling of skip mode and early skip mode selection for H.264/MPEG-4 AVC

Siwei Ma; Wen Gao; Debin Zhao

doi:10.1117/12.805669

19 January 2009 Rate distortion cost modeling of skip mode and early skip mode selection for H.264/MPEG-4 AVC

Siwei Ma, Wen Gao, Debin Zhao

Proceedings Volume 7257, Visual Communications and Image Processing 2009; 72570Q (2009) https://doi.org/10.1117/12.805669
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

This paper proposed a linear rate-distortion (RD) cost model for skip mode in H.264/MPEG-4 AVC. The proposed RD cost model is derived theoretically based on the quantization scheme of H.264, and the simulation results also verify that the proposed RD cost model can estimate the RD cost of skip mode accurately. Based on the proposed RD cost model, an early skip mode selection algorithm is provided. The proposed early skip mode selection method can terminate the mode selection process adaptively and works well for both low complexity and high complexity video. Experimental results show that the proposed early skip mode selection algorithm can save the encoding time up to 56% with negligible performance loss compared with the original reference encoder.

Citation Download Citation

Siwei Ma, Wen Gao, and Debin Zhao "Rate distortion cost modeling of skip mode and early skip mode selection for H.264/MPEG-4 AVC", Proc. SPIE 7257, Visual Communications and Image Processing 2009, 72570Q (19 January 2009); https://doi.org/10.1117/12.805669

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