Adaptive macroblock layer rate control for H.264/AVC via histogram-based R-D estimation

Authors:
Jinwoo Jeong;Dong-Wan Seo;Yoonsik Choe
Affiliations:
Department of Electrical and Electronic Engineering, Yonsei University, Korea;Samsung Electronics Co., LTD., Korea;Department of Electrical and Electronic Engineering, Yonsei University, Korea
Venue:
ICCOMP'06 Proceedings of the 10th WSEAS international conference on Computers
Year:
2006

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Rate-constrained coder control and comparison of video coding standards

IEEE Transactions on Circuits and Systems for Video Technology

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Abstract

In this paper, we propose a bit-rate control algorithm for H.264/AVC using the rate and distortion model estimated by the histogram of DCT coefficients. Since the proposed algorithm induces the rate and distortion model from the current macroblock instead of the previous coded frame or macroblock, it can effectively prevent the fluctuation of the output bits especially when scene change occurs, while keeping the quality in same level.