rate distortion function
英 [reɪt dɪˈstɔːʃn ˈfʌŋkʃn]
美 [reɪt dɪˈstɔːrʃn ˈfʌŋkʃn]
网络 率失真函数; 信息率失真函数
双语例句
- The rate and distortion of distributed source vector quantization are characterized and analyzed through the point density function of a quantizer.
研究分布式信源量化维数与量化性能之间的定量关系。 - This method combines the virtues of DCT transformation, VQ and TCQ, and makes use of the correlations in DCT domain and time domain to approach low limit of rate distortion function.
该方法结合了DCT变换、矢量验化和网格编码量化的优点，它充分利用信号DCT域和时域的相关性来逼近率失真下界，并利用维特比算法来寻找最佳运化序列。 - In the traditional rate-distortion analysis method, rate and distortion is about the function of quantification parameter. Because it has very strong nonlinear features, its calculation is very complex and inaccurate.
在传统的率失真分析方法中，码率和失真都是关于量化参数的函数，由于其具有很强的非线性和信源相关性等特征，使其计算非常复杂，并且预测分析误差较大。 - Specifically, a generalized rate distortion function, which reflects the distortion rate due to source coding, channel coding, and error concealment, is established for optimal bits allocation, resulting an effective transmission of video data.
这种广义的率失真函数综合反映了视频信源经信源编码，信道编码，差错隐藏后的率失真特性，因此可以用来进行视频通信系统收发端的联合优化。 - Multiple sub-layers of texture information are generated based on their rate distortion function, the number of which is adjusted dynamically by the encoder according to the feedback information to minimize the overall distortion.
编码器根据反映信道状态的反馈信息动态地调整传输的子层数目和每个子层的纠错强度（信道编码速率），使得系统失真最小。人物形象发生了严重的扭曲和变形； - An end-to-end rate distortion function was established considering the distortion caused by quantization and channel noise.
在综合考虑了由于量化噪声和信道噪声引起的失真等因素后，建立了一个端到端的率失真函数。