Then we propose a novel intra refresh scheme in rate-distortion (R-D) framework.
然后提出了一种新的速率失真率(R D)框架内的帧内刷新策略。
The solution can fully use the limited computing resources to achieve optimal rate-distortion performance.
该方案可以充分利用所分配的有限计算资源优化编码率失真性能。
Then a optimizing method based on rate-distortion curve is used to make reasonable bit-allocation among the blocks.
块间根据率失真曲线对比特分配进行合理优化。
The two basic component of rate-distortion model based on Lagrange multiplier in video coding are distortion and rate.
视频通信中的基于拉格朗日乘子法的率失真模型的两个基本组成部分是失真度和比特率。
Under the given distortion conditions, the still image coding Rate-Distortion theories discuss the max coding bit-rate.
在给定的编码率的条件下，用率失真算法计算图像编码使之达到最小的失真。
An optimal rate allocation method for fine granularity scalable video streaming based on rate-distortion function was presented.
本文在速率失真函数的基础上，提出了适合精细可分级编码视频流的最优的速率分配方法。
This thesis focuses on two aspects of optimization, the one is rate-distortion optimization and the other is assembly optimization.
本文中所使用的优化方法主要是在率失真优化和汇编优化两个方面。
Secondly, a two-point rate-distortion optimized joint base layer and enhancement layer mode decision algorithm is proposed for PFGS.
其次，提出了基于PFGS的两点率失真优化的联合基本层和增强层模式选择算法。
Experimental results illustrate this model is superior to the rate-distortion model in pyramidal dead zone lattice vector quantization.
实验结果表明该模型优于带有死区的塔式格型矢量量化中的比特率失真模型。
T2 encoder sends feedback to control the coding depth by the accumulated bit rate and complete the rate-distortion optimization truncation.
T2编码器由已编码比特率自适应地反馈控制编码深度，完成优化截取。
Meanwhile the paper, presents a resource allocation scheme to adapt media rate to the estimated network bandwidth using rate-distortion function.
同时，给出了一种资源分配方案通过率失真函数使媒体速率适应估计的网络带宽。
The conventional quadric rate-distortion model was improved and a new one was introduced by incorporating the human visual system (HVS) characteristics.
算法对传统二次率失真模型进行了改进，并结合人眼的立体视觉特性，提出了新的码率控制策略。
A relationship model of FGS video rate-distortion and average packet loss ratio was established, the optimal FEC data allocation algorithm was designed.
FGS视频率失真和平均丢包率的关系模型，最优FEC数据分配算法的设计。
In rate-distortion optimization coefficients are encoded with a decreasing R-D slope, so the first coding bits are the ones having the steepest R-D slope.
率失真优化是按照率失真斜率递减的顺序编码系数位，最先编码的位具有最大的率失真斜率，每编码一位都会使失真减少最大。
To combine multistream coding with multipath transport(MPT), a rate-distortion optimal algorithm to code a raw video stream into multistream is developed.
为在多路径传输中结合多条流的编码方式，开发了一种基于率歪曲优化的算法，进而把一条未加工的视频流分成多条流。
Finally, a series of inequalities is derived, which gives a quantitative relation between the performance of a vector quantizer and rate-distortion function.
最后，导出了反映矢量量化器工作特性和率失真函数之间的数量关系的不等式串。
After providing an overview of related topics, we provide theoretical analysis of how source classification can lead to improved rate-distortion performance.
论文总结了相关的研究现状，并理论分析了信源分类能够提高编码质量的原因。
The multi-resolution motion estimation scheme and an efficient rate-distortion model are adopted with early termination rules to accelerate the search process.
此算法基于多分辨率运动估计方案和新率失真模型进行预测模式快速选择，并结合带提前退出准则的快速搜索算法来加速搜索过程。
The so called rate-distortion optimization selection method being applied in H. 264 for selecting the best mode between many choices is also discussed in this paper.
同时，本文还分析了利用率失真优化选择算法在各种编码、预测模式中进行选择的基本原理和实施。
The rate-distortion theory is induced to the system model, and the mathematic formula between the feedback channel rate and the closed-loop MIMO capacity are deduced.
该文提出了在闭环MIMO容量研究中引入了率失真理论的研究方法，推导出了反馈信道速率和闭环MIMO容量之间的数学关系。
The present paper presents a new method for constructing optimal quantisation tables. The method produces optimal rate-distortion performance in a fixed block size DCT.
提出一种构造择优量化表的新方法。在一个固定块尺寸的离散余弦变换（DCT）中，该方法可产生优化的率失真特性。
Therefore, how to estimate precisely the distortion between the codec in error prone environments in order to choose the coding mode is the key problem of rate-distortion.
因此如何准确估算出差错环境下从编码器到解码器端的失真度，并由此来决定编码模式就成为率失真优化的关键问题。
With the research above, a new rate control algorithm is realized by c, which is based on the valid-bit-number coding model and the rate-distortion optimization technique.
在以上研究的基础上，用C语言实现了基于有效比特位编码模型和率失真优化技术的码率控制算法。
Rate-distortion control algorithm in MPEG-4 AAC(Advanced Audio Coding) needs to search Huffman code books many times to obtain the reference number of the current consumed bits.
AAC的码率失真控制算法需要多次检索霍夫曼码书以获得当前状态比特消耗的参考值。
Compared with the standard post-coding rate distortion (PCRD) algorithm, the proposed algorithm has no spending in calculating rate-distortion slope and searching for optimum truncation points.
与标准的率失真(PCRD)优化算法相比，该算法不会在计算码率失真斜率和搜索最优分层截断点时产生运算开销。
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.
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。
Sine signals used as standard signal, sine signal requirements must be more precision, stability and low distortion rate.
正弦信号用作标准信号时，要求正弦信号必须有较高的精度、稳定度及较低的失真率。
In accordance with this, a novel optimum method based on rate distortion theory called optimal coefficient adjustment is presented.
针对这一问题，提出了一个新的基于率失真理论的优化方法，称为最优系数调整法。
In accordance with this, a novel optimum method based on rate distortion theory called optimal coefficient adjustment is presented.
针对这一问题，提出了一个新的基于率失真理论的优化方法，称为最优系数调整法。
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