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- W1554033346 abstract "In this paper, a novel rate control initialization scheme for H.264/AVC is proposed. The current recommended rate control initialization scheme implemented in the H.264 reference software JM13.0 does not take into account the coding complexity of video sequence to determine the initial quantization parameter (QP). In the proposed scheme, a new model is exploited for the relation between mean absolute difference (MAD) and quantization step (QS) of the first instantaneous decoding refresh (IDR) picture, then a linear rate-quantization (R-Q) model for the first IDR picture is described, finally the initial QP can be determined according to the two models and the target sum bits for the first IDR picture. Experiment results show that the proposed scheme can achieve better quality than the current scheme in JM13.0, and the average luminance peak signal-to-noise-ratio (PSNR) is increased by up to 1.21 ㏈ under the IPPP structure and 1.46 ㏈ under the IBPBP structure." @default.
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- W1554033346 date "2008-06-01" @default.
- W1554033346 modified "2023-09-28" @default.
- W1554033346 title "Rate Control Initialization Scheme for H.264/AVC" @default.
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