Hardware/Software Codesign of a Low-Cost Rate Control Scheme for H.264/AVC

Authors:
Chih-Hung Kuo;Li-Chuan Chang;Kuan-Wei Fan;Bin-Da Liu
Affiliations:
Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan;-;-;-
Venue:
IEEE Transactions on Circuits and Systems for Video Technology
Year:
2010

Citing 0
Cited 2

A low complexity macroblock layer rate control scheme base on weighted-window for h.264 encoder

MMM'12 Proceedings of the 18th international conference on Advances in Multimedia Modeling
A Novel R-D Optimized MB-level Rate Control Scheme for Real-Time Video Coding

Journal of Signal Processing Systems

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Abstract

This paper presents a low-complexity rate control (RC) framework for H.264/advanced video coding (AVC) encoders on embedded systems. We consider not only the rate-distortion performance but also its implementation complexity using an efficient hardware/software codesign. The proposed cost-effective macroblock level RC module works in hardware, and the frame-level RC is executed on the system CPU as software. It is less complex than the RC module adopted by H.264/AVC JM reference software, making it more suitable for embedded systems. Experiment results show that the proposed RC outperforms H.264/AVC JM, and the hardware implementation cost is low for an H.264/AVC video encoder.