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该文提出了一种基于感兴趣区的MPEG-4 FGS增强层码率分配算法。
ROI-based rate allocation algorithm for the MPEG-4 FGS enhancement layer is proposed in this paper.
实验结果表明，与平均码率分配算法相比，该算法可以显著降低视频图像中人眼感兴趣区域重建质量的波动。
The experimental results show that, compared with the conventional average rate allocation algorithm, the proposed algorithm can significantly eliminate the quality fluctuation of ROI.
提出均方误差最小意义上的最佳三维子带码率分配算法，该算法在任意给定码率限制条件下都能获得最优率失真性能。
An optimal subband rate allocation algorithm in mean-squared error (MSE) minimization sense was proposed, which achieves persistent optimal rate-distortion performance under any given rate constrains.
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