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Scene Change Aware Intra-Frame Rate Control for H.264/AVC

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2 Author(s)
Wen-Jiin Tsai ; Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan ; Ting-Li Chou

Most of rate-control research focuses on inter-coded frames, instead of intra-coded frames which are more possible to cause the problem of buffer overflow. This letter presents a rate control algorithm for intra-frame coding. We propose a Taylor series-based rate-QS model and a scene-change aware rate-QS model to determine quantization parameters for general intra frames and scene-change frames, respectively. Simulation results show that compared to competed approaches, the proposed method achieves better and stable quality with low buffer fullness.

Published in:

IEEE Transactions on Circuits and Systems for Video Technology  (Volume:20 ,  Issue: 12 )