率失真理论

基于率失真理论，推导出了基于平均绝对差（MAD）的码率（R-Q）模型。

Based on the rate distortion theory , rate-quantization ( R-Q ) model based on mean absolute difference ( MAD ) was derived .

能量感知手语视频编码及传输方法是在Shannon经典率失真理论的基础上，将能量的概念引入其中，建立了基于编码和传输参数的功率率失真模型。

The power-aware video coding and transmission method is based on Shannon classical rate distortion theory , introduces the concept of energy and sets up the power-rate-distortion model based on coding and transmission parameters .

IB（InformationBottleneck）方法起源于率失真理论，是一种有效解决复杂优化问题中数据压缩和信息保存的方法学。

IB ( Information Bottleneck ) method originated in the rate-distortion theory is an effective solution to complex optimization problems in data compression and information preservation .

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 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 .

对于联合编码，本文介绍了一种利用超帧概念的基于率失真理论的联合码率控制策略，同时阐述TM5码率控制原理。

For joint transcoding , we introduce the joint rate control strategy based on the rate distortion , which uses the concept of superframe .

提出了一种基于率失真理论的实时码率控制算法（RDTRTRC）。

A novel real-time rate control algorithm based on the rate distortion theory ( RDTRTRC ) is proposed .

一种基于率失真理论的实时码率控制算法

A novel real-time rate control algorithm based on the rate distortion theory

基于率失真理论的视频编码码率控制

Rate Control Strategy Based on the Rate Distortion Theory for Video Coder

估计理论与率失真理论

Estimation Theory and Rate Distortion Theory

率失真理论及其应用

Rate Distortion Theory and Its Applications

因此率失真理论对图像的嵌套式编码具有非常重要的理论指导意义。

So the Rate-Distor : ion theory is very important for the embedded still image coding .

图像编码的率失真理论讨论了在给定允许失真条件下，所能达到的最大编码率。

Under the given distortion conditions , ; he image coding Rate-Distortion theories discuss the max coding bit-rate .

随后介绍了码率控制的背景、原理和率失真理论，研究和分析视频编解码国际标准中采用的经典码率控制算法。

Then the background and the theory of the rate control & rate-distortion are expatiated on along with the classical rate control algorithm .

本文对基于率失真理论的编码器控制问题进行了深入研究，提出了几种新的编码器控制技术。

In this thesis , the critical issues of rate-distortion based coder control are investigated , and several novel coder control approaches are proposed .

要提高编码视频流在丢包信道中对误码的鲁棒性，基于率失真理论的帧内刷新优化编码算法是一种较为有效的解决办法。

Rate-distortion optimization based intra refresh coding algorithm is one of the effective solutions to improve the robustness of coded video in packet-loss environment .

率失真理论是有损压缩技术的理论基础。目前，有损压缩技术在各种视频和图像的压缩编码方案中获得了广泛应用。

Rate-distortion ( R-D ) theory is the fundamental theory of lossy compression techniques , which are widely employed in video and image compression schemes .

接着对率失真理论在视频编码优化以及码率控制中的应用进行了分析，并总结出码率控制方案中常用的几个率失真模型。

Then we give an analysis of rate distortion theory in video encoder and rate control optimization . The classical rate distortion models for rate control are reviewed .

资产负债率失真的理论分析

A Theoretical Analysis of Ratio of Assets to Liabilities

该算法结合人眼视觉感知特性，基于平均熵理论估计各对象的重要性并确定编码优先级，基于率失真优化理论在给定码率下对对象码流进行优化截取和重装。

Combining the characteristics of human visual perception , the algorithm estimates the importance of each object and determines the coding priority on the basis of average entropy theory . The algorithm carries the optimized interception on the visual objects ' coding stream and reloading .

在对量化器优化设计的理论分析的基础上，以高斯分布特征的信源进行了最优标量量化，并得到了性能曲线，与香农率失真定理指出的理论下界进行了对比。

Based on the theory of the design of the optimum quantizer , the gaussian-distributed sources are optimized with scalar quantization to obtain the performance curves of gaussian source .

该方法基于率失真曲线的精确理论模型，对小波分解后的不同子带提供最优的动态比特分配从而实现了小波系数的自适应量化编码，最后还实现了码率控制。

It provides optimal dynamic bit allocation for sub-bands of DWT and realizes adaptive quantization for wavelet coefficients . At last , it provides exact rate control for the coder .