该文提出了一种基于感兴趣区的MPEG-4FGS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.
同时,该算法的计算复杂度低,完全能满足视频服务器实时码率分配的要求。
Simultaneously, the computational complexity of the proposed method is low enough to meet the requirements of the real time rate allocation at the video server.
实验结果表明,与JVT-H017提案相比,改进算法可以更精确地分配目标比特和控制码率,并能获得较高的PSNR。
Simulation results show that, comparing with JVT-H017, the proposed method can allocate the target bits and control the rate more accurately, and obtain a higher PSNR.
提出一种面向立体视频的比特分配与码率控制算法以提高立体视频的编码效率和码流可靠性。
A new bit-allocation and rate-control algorithm for stereo video coding was proposed to improve its coding efficiency and stream reliability.
该算法解决标准中原算法码率分配过于平均和不能充分利用已编码帧历史信息的问题。
The method resolves problems in the standard method when the bit allocation is too uniform and the encoded frame history information is omitted.
用计算机仿真的方法在数字用户环路上实现了该算法,并测定其数字用户环路上所能获得的最大传码率,分析最大传码率与发送总功率的关系,给出比特分配结果。
On the digital subscriber loop we realized the algorithm, got the max receiving bit, analysed the relation between the max receiving bit and transmitted power, and got the result of bit allocation.
结果表明,该算法在误码率性能上明显优于等比特分配算法,也减少了系统的传输功率。
The result shows that this algorithm is better than that of constant bit rate distribution on the performance of error rate in the addition of reducing the transmission power of system.
结果表明,该算法在误码率性能上明显优于等比特分配算法,也减少了系统的传输功率。
The result shows that this algorithm is better than that of constant bit rate distribution on the performance of error rate in the addition of reducing the transmission power of system.
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