Rate control based on an incremental proportional-integral-differential algorithm

Liquan Shen; Zhi Liu; Zhao-Yang Zhang; Xu-li Shi

doi:10.1117/1.2754303

1 July 2007 Rate control based on an incremental proportional-integral-differential algorithm

Liquan Shen, Zhi Liu, Zhao-Yang Zhang, Xu-li Shi

Author Affiliations +

Optical Engineering, Vol. 46, Issue 7, 077002 (July 2007). https://doi.org/10.1117/1.2754303

Abstract

Since the current rate control schemes in H.264 do not present the capability of efficient frame-level bit allocation, the video quality varies greatly for sequences with scene cuts or large motions. To overcome that limitation, we propose a rate control scheme based on the incremental proportional-integral-differential (PID) algorithm. That algorithm is introduced to control the buffer and decrease the influence of buffer surface fluctuation on the process of frame-level bit allocation. Extensive simulation results show that this rate control scheme, without expensive computational complexity added, decreases the average video quality variations by 21.07%.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Liquan Shen, Zhi Liu, Zhao-Yang Zhang, and Xu-li Shi "Rate control based on an incremental proportional-integral-differential algorithm," Optical Engineering 46(7), 077002 (1 July 2007). https://doi.org/10.1117/1.2754303

Published: 1 July 2007

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