• 本文提出改进基于对角线相关矢量量化编码算法

    This paper presents a modified diagonal based fast correlation vector quantization algorithm (MDFCVQ).

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  • 设计了一种新的线谱频率参数多级矢量量化编码方案。

    A new multi-stage vector quantizer (MSVQ) of line spectral frequency parameters is designed.

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  • 码书大小矢量维数越大穷尽搜索矢量量化编码计算复杂度就越

    The larger the codebook size or the vector dimension is, the higher the computational complexity of the full-search VQ is.

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  • 本文在研究树形矢量量化基础提出了一种改进的树形矢量量化编码算法

    In this paper, an improved treestructured vector quantization algorithm, based on treestructured quantization is introduced.

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  • 由于该方法矢量量化编码结合起来因此解码只需查找码书,仅进行对比度变换

    This method connects fractal and vector quantization coding together, during the process of decoding, the only need to check the codebook and to transform the contrast.

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  • 做工作主要有两方面:一矢量量化编码中的格型矢量量化,另一个是梅花型方向滤波器提升实现

    The work can be mainly divided into two aspects: lattice vector quantization in vector quantization coding for images and the lifting realization of the quincunx directional filter banks.

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  • 本文提出一种粒子群分组并行书设计算法应用图像矢量量化编码可以得到性能好的码书。

    This paper presents swarm optimization algorithm based on a pair of parallel particles, which can be used to get a good codebook in the vector quantization of image coding.

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  • 采用特殊矢量量化编码叫作小波矢量量化(WTVQ)编码每个数据进行压缩获得较高压缩性能

    Then a special Vector Quantization, called Wavelet Tree Vector Quantization (WTVQ), is designed to compress the every spectral image data, and a higher compression performance is obtained.

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  • 经典DCT变换整数DCT变换进行研究,并把它们和有限状态矢量量化编码算法结合提高图像压缩性能

    Combined with FSVQ algorithm, the traditional DCT transform and integer DCT transform are used to improve the performance of image compression.

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  • 误差图像进行分形矢量量化编码使用设计的自适应二维维纳数字滤波器,对收缩均值图像进行滤波后,可构造好的码书

    When coding the erroneous image by fractal vector quantization, a self-adaptive 2-d wiener digital filter to filtrate the contracted mean value image, which can result into a good quality codebook.

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  • 首先采用改进模拟退火算法设计语音编码参数矢量量化

    First, the algorithm is used to design the codebook of the speech coding parameters.

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  • 提出矢量量化码书设计编码快速算法

    A fast algorithm of encoding and codebook designing for vector quantization is proposed.

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  • 目前小波变换矢量量化以及嵌入式编码已经成为图像压缩主要技术研究热点越来越受到重视。

    Nowadays, wavelet transform, vector quantization and embedded encoding has been the primary technique and study focus for image compression, to which people attach their more importance.

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  • 矢量量化(VQ)语音识别中广泛应用的数据压缩编码方法

    Vector Quantization (VQ) is one of popular data compression and data coding methods for speech recognition at present.

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  • 针对边缘匹配矢量量化图像编码方法存在出轨现象提出一种引入支持向量的方法。

    To tackle the derailment phenomenon consisting in side-match vector quantization image coding technology, we introduced support vector machine.

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  • 由于利用矢量量化技术,所以编码速率低。

    Because of using the technology of Vector Quantization, the rate of the code is low.

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  • 讨论了语音编码中,应用神经网络技术进行矢量量化的算法。

    The application of neural network vector quantization in speech encoding is discussed.

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  • 因此本文使用MSSVQ作为矢量量化技术来进行编码

    So this paper USES MSSVQ as the vector quantization technique for coding.

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  • 文章介绍图像低频子带编码矢量量化方法—非对称树结构矢量量化

    One of VQ image coding method used in the low frequency subband-the unbalanced tree-structured VQ is presented in this paper.

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  • 最后本文探讨了一种将基于结构特征适应分块与矢量量化相结合的编码方法。

    At last, the adaptive vector quantization coding based on the DCT spectrum main orientation mentioned above is developed.

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  • 作为特征签名重复图像检测方面应用基于多特征签名的重复图像检测方法改进矢量量化过程中的编码映射方式。

    As another application of feature signature, multi-signature based duplicate image detecting method improved the mapping and encoding during vector quantization.

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  • 方法是以分块截断编码技术矢量量化技术为基础编码方法。

    This method is based on the techniques of block truncation coding and vector quantization.

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  • 本文主要语音编码矢量量化搜索算法、语音增强语音激活检测技术进行研究进行了改进

    This paper mainly focuses on the research and improvement of the fast code word search algorithm, speech enhancement and voice activity detector key technologies.

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  • 图像压缩数字图像处理重要关键技术之一,传统的图像压缩方法预测编码变换编码矢量量化等。

    Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).

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  • 矢量量化和小变换结合方面,提出一种基于视觉特性的小波变换跨带矢量量化压缩编码方案,通过实验验证算法的性能;

    Based on the former two theories, we propose a wavelet transform cross-band vector quantization based on human vision, and we verify the correction with experimentation.

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  • 本文分析了模糊矢量量化(FVQ)图像编码原理提出一种指数型模糊学习矢量量化算法(EFLVQ)。

    The principle of fuzzy vector quantization (FVQ) for image coding is discussed in this paper, and an exponential fuzzy learning vector quantization algorithm (EFLVQ) is proposed.

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  • 然后研究空间复用MIMO - OFDM系统编码提出一种基于插值矢量量化编码方案

    Then, we study the precoding for space multiplexing MIMO-OFDM systems. Here, we propose an interpolation-based vector quantization precoding scheme.

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  • 通过矢量量化快速搜索算法VLSI结构的研究进一步设计更为详细复杂的图象编码系统提供基础

    Through the research of VLSI architecture of fast codewords search algorithms, we can provide a foundation for the implementation of detailed and sophisticated image coding schemes in the future.

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  • 通过矢量量化图像编码算法进行改进,达到运算量,高压缩以及稳定图像质量的目的。

    The algorithm of VQ must be improved to reducing amount of calculation, increasing compression rate and steadying the quality of rebuilt image at same time.

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  • 通过矢量量化图像编码算法进行改进,达到运算量,高压缩以及稳定图像质量的目的。

    The algorithm of VQ must be improved to reducing amount of calculation, increasing compression rate and steadying the quality of rebuilt image at same time.

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