提出了一种针对码书优化的图像矢量量化算法。
An optimized VQ codebook design algorithm of image compression is introduced in this paper.
因此,如何获得全局最优的码书成为矢量量化算法设计的主要研究问题之一。
So, how to achieve global optimal codebook become the one of key problems of designing VQ algorithm.
分别从客观评价和主观评价两方面来验证提出的分维矢量量化算法的有效性。
The availability of improved split vector quantization algorithms is validated from the objective index and the subjective index, respectively.
提出了语音谱参数的切换双预测多级矢量量化算法(DPMSVQ)的码本设计方法。
A codebook design method for a switched dual predictive multi stage vector quantization (DPMSVQ) scheme of LPC parameters.
文章提出了语音谱参数的增强双预测多级矢量量化算法(EDPMSVQ)的码本设计方法。
This paper presents a codebook design method of an enhanced dual predictive multi-stage vector quantization (EDPMSVQ) scheme for LPC parameters.
本文分析了模糊矢量量化(FVQ)图像编码的原理,提出了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.
首先,采用改进的模拟退火算法设计语音编码参数矢量量化码本。
First, the algorithm is used to design the codebook of the speech coding parameters.
该算法先通过格矢量量化技术对经dWT变换后的宿主图像的系数矢量进行格矢量量化,然后将水印信号嵌入到量化后的系数中。
At first, it quantizes the image coefficient vector gotten from DWT with the lattice vector quantization technology, then imbeds the watermark signal into the coefficient.
该算法在给定信道状态模型和存在信道噪声的情况下,可以有效地提高矢量量化器的性能,实现了信道最优矢量量化器的设计。
The evolutionary algorithm is introduced into the design of COVQ to achieve a significant improvement of VQ performance for a given noisy channel status model.
实验结果证明,该算法可以降低矢量量化的复杂度。
The result of experiments shows that the complexity of VQ has been greatly reduced.
在矢量量化的码本设计过程中,经典的LBG算法收敛速度快,但极易陷入局部最优,且初始码本的生成对最佳码本的设计影响很大。
In the process of codebook design, traditional LBG algorithm owns the advantage of fast convergence, but it is easy to get the local optimal result and be influenced by initial codebook.
本文主要对语音编码中矢量量化码字搜索算法、语音增强、语音激活检测技术进行研究并进行了改进。
This paper mainly focuses on the research and improvement of the fast code word search algorithm, speech enhancement and voice activity detector key technologies.
提出了一种矢量量化码书设计及编码的快速算法。
A fast algorithm of encoding and codebook designing for vector quantization is proposed.
本文给出了一种新的图像矢量量化码书的优化设计方法——粒子对算法。
This paper presents a new strategy of particle-pair(PP) for vector quantization(VQ) in image coding.
本文提出了改进的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).
该文提出归一化自适应预测矢量量化(NAPVQ)算法压缩sar原始数据。
This paper presents a new SAR raw data compression algorithm named Normalized Adaptive Predictive Vector Quantization (NAPVQ).
讨论了在语音编码中,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.
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。
Codebook design algorithms based on tabu search (TS) approach are presented for vector quantization (VQ).
LBG算法是矢量量化码书设计的经典算法。
LBG algorithm is a classical algorithm for vector quantization.
为了进一步降低矢量量化的运算量,提出了一种新的快速搜索算法。
A fast search algorithm was developed to reduce the computing load for vector quantization.
对向传播神经网络(CPN)可以作为矢量量化器用于图像压缩,但CPN学习算法在进行码书设计时存在两个明显的缺陷。
The Counterpropagation Network (CPN) can be applied to image compression as a vector quantizer. However, the CPN learning algorithm has two obvious disadvantages in codebook designing.
给出了PLC程序设计的算法流程图及输入量量化程序、模糊控制表查询程序等关键步骤的梯形图。
Algorithm flowchart of PLC programming and the ladder diagram of some crucial steps are given, such as quantizing program of the input signal and the inquiry program of fuzzy control table.
该文提出了一种将模糊C -均值聚类法的各种改进算法与矢量量化法相结合的说话人辨认的新方法。
Several new algorithms of fuzzy C-mean clustering with the combination of vector quantization are proposed for speaker identification.
通过对矢量量化快速码字搜索算法的VLSI结构的研究,为进一步设计更为详细和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.
本文在研究树形矢量量化的基础上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.
本文提出一种粒子群分组并行寻优码书设计算法,应用于图像的矢量量化编码中,它可以得到性能较好的码书。
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.
本文提出了一个基于进化算法的信道最优矢量量化器(COVQ)设计算法。
An evolutionary algorithm based channel-optimized VQ (COVQ) design algorithm on noisy channel is presented in the paper.
本文提出了一个基于进化算法的信道最优矢量量化器(COVQ)设计算法。
An evolutionary algorithm based channel-optimized VQ (COVQ) design algorithm on noisy channel is presented in the paper.
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