The expansion of codebook minishes the minimal distortion in every subset and improves the quantization performance.
码书扩大造成每一子集最小失真减小从而提高了量化性能。
Then, we discuss the LSF parameter quantization method and propose a better spectral distortion evaluation method.
其次讨论了LSF参数量化方法，提出了一种较好的求取谱失真测度的方法。
The distance of the uniform color space is used as the distortion measure, and the codebook of vector quantization is used to set the color table register, which shows good results.
以均匀颜色空间的距离作失真测度，以矢量量化的码书设置颜色寄存的颜色值。实验证明，效果令人满意。
The watermark was embedded in the wavelet domain using the mean quantization method. This method can be used to detect the distortion both in spatial and frequency domain.
这种算法是采用了均值量化的方法，把数字水印嵌入图像的离散小波域，可以检测在空间域和频率域的图像失真。
In multimedia signal processing, quantization error is a function of input signal and it results in the audible distortion and noise modulation in the audio signals.
在多媒体信号处理中，由于量化误差是输入信号的函数，使得语音信号产生信号失真和噪声调制。
Generally, the rate distortion model is employed to compute quantization parameter for the controlling bit rate.
通常码率控制算法使用一定的率失真模型来决策量化参数从而控制码率。
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。
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。
Using this method, we minimize distortion subject to the target rate constraint, and ohtain formulas that indicate how to choose the quantization parameters.
同时，根据率失真定理，在保证失真最小的情况下，为帧内不同的宏块选用最佳的量化系数。
Using this method, we minimize distortion subject to the target rate constraint, and ohtain formulas that indicate how to choose the quantization parameters.
同时，根据率失真定理，在保证失真最小的情况下，为帧内不同的宏块选用最佳的量化系数。
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