codebook

First, the image is divided into two parts, high and low frequency, then we get the VQ codebook by means of comparing the threshold in high frequency and extracting representative codewords at different regions in low frequency part.

该算法将图像分割为高频、低频两部分，在高频段采用阈值比较的方法，在低频段采用分块提取的方法生成VQ码书。

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Codebook Design for Close-Loop Wireless System Based on Distribution of Vector

闭环无线系统中基于向量空间分布的码本设计

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K means algorithm applied in vector quantization strongly depends on the selection of the initial codebook, and if not given a good initial codebook it can easily be trapped in local minima.

由于传统的K-均值算法在用于矢量量化时强烈依赖初始码书的选取，如果初始码书选取不好，则很容易陷入局部最小点；

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Vector Quantization ( VQ ) is one of the popular codebook design methods for text-independent speaker identification.

矢量量化 ( VQ ) 方法是文本无关说话人识别中广泛应用的建模方法之一,它的主要问题是码本设计问题.

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And we improve disjoint design codebook by feedback time delay.

我们对组合码本进行了改进，增加对时延差的反馈。

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Codebook design algorithms based on tabu search ( TS ) approach are presented for vector quantization ( VQ ).

本文提出了基于改进禁止搜索 ( TS ) 算法的矢量量化 ( VQ ) 码书设计方法.

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This method utilizes VQ and LBG algorithm to design codebook.

该方法使用了向量量化技术并采用LBG算法设计码本.

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Chinese Four Tones Recognition Based on Special Vector Quantization Codebook Approach

基于专用矢量量化码本方案的汉语语音的四声调识别

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Finally, a novel vector decode algorithm is proposed for probabilistic codebook. The fault space is predigested in terms of preprocessing algorithm, and the most possible fault set is obtained by heuristic vector algorithm.

最后提出了一种概率编码本矢量解码算法，利用预处理算法对故障空间进行简约，然后用矢量启发式算法寻找最可能的故障集合。

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This method first expands the small codebook to larger virtual codebook, then uses Viterbi algorithm in two dimension to search the minimal distortion quantized route.

该方法首先把小码书扩展成大的虚码书，然后用网格编码矢量量化（TCVQ）的方法在扩大的二维码书空间中用维特比算法来寻找最佳量化路径。

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A new fuzzy k-nearest neighbor codebook design algorithm of vector quantization

一种新的模糊K邻域矢量量化码本设计算法

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Now we uses cluster validity analysis for refrence and improve it. The new codebook training algorithm can choose the size of codebook automatically and improve the performance of speaker recognition.

本文借助聚类有效性分析，对常用的电码本训练算法进行了改进，其主要目的就是实现电码本大小的自动设定并提高说话人识别性能。

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ECB The Electronic Codebook ( ECB ) mode encrypts each block individually.

ECB电子密码本 ( ECB ) 模式分别加密每个块.

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Furthermore, Bezdek's fuzzy K means algorithms are computationally expensive so that they are impractical in codebook design. So, people have been researching those algorithms which can achieve good performance in the convergent speed of algorithms and the quality of the reconstructed image.

而Bezdek的模糊K-均值算法由于计算量很大，也很少用于矢量量化的设计码书，因此，人们一直在寻找收敛速度和收敛效果两者性能都较好的算法。

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In this scheme, an input image block can be selectively encoded by the proposed puzzled block, the dynamic codebook or the super-codebook according to the predefined distortion threshold.

在此编码方案当中，根据预先定义的匹配失真阈值，图像可以有选择地利用拼凑块、动态码本及码本库编码。

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They are to transcode between standards with the same and the different fixed codebook structure, respectively.

它们分别针对具有相同和不同固定码本结构的语音编码标准进行转码。

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Codebook Design Based on SOFM Neural Network and Its Application on Image Transmission

基于SOFM神经网络的码书设计及其在图像传输中的应用

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A novel method is proposed to trained VQ codebook for HMM-based speaker identification. The codebook is trained based on the criterion of making each codeword in the codebook to share training vectors equally.

提出了一种新的适用于离散HMM说话人辨认系统的VQ码本训练方法，码本的训练准则是使码本中各码字的利用率趋于均等。

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