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基于MATLAB实现图像线性量化的源码,通过输入量化参数实现不同等级量化-Based on MATLAB to achieve linear quantitative image source, by entering the quantization parameters to achieve different levels of quantization
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产生长度为1000的标准正太分布的随机信号,画出时域波形及频谱;
采用u=255的非均匀PCM编码,每符号为8bit,画输入-输出关系图;
计算信号量化噪声比(SQNR);
信道误码率为10-3;
解码,并画出u律反变换后的信号时域波形及频谱。
扩展要求:
采用均匀PCM、量化级数可变、信道误码率可变。
- have a standard len
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对二维图像进行压缩,采用matlab编程实验,-Of two-dimensional image compression using matlab programming experiment
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毕业设计做的...用LBG算法实现矢量量化的算法..matlab-Designed to do graduate ... the LBG algorithm using vector quantization algorithm .. matlab
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Quantization (signal processing)
uniformly and non-uniformily using A and miu law od companding.
simulation using simulink/matlab
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本代码是利用matlab开发环境,对图像进行矢量量化,从而实现对图像的压缩;并介绍了需要用到的一些matlab现有函数及其使用方法和功能;在码书的训练方法上选择的是自组织映射神经网络,解码重建后的图像质量较好-The application of Self-Orgnization Feature Maps neural network in image vector quantization
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L3_1.m: 純量量化器的設計(程式)
L3_2.m: 量化造成的假輪廓(程式)
L3_3.m: 向量量化器之碼簿的產生(程式)
L3_4.m: 利用LBG訓練三個不同大小與維度的碼簿並分別進行VQ(程式)
gau.m: ML量化器設計中分母的計算式(函式)
gau1.m: ML量化器設計中分子的計算式(函式)
LBG.m: LBG訓練法(函式)
quantize.m:高斯機率密度函數的非均勻量化(函式)
VQ.m: 向量量化(函式)
L3
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Compression and decompression VQ=vector quantization for image.
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matlab编的基于图像矢量量化的水印程序,用分割码本的办法嵌入水印!-matlab for image vector quantization-based watermarking process, with the approach of the division of code embedded watermark!
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The QccPackSPECK module is a optional addon to the QccPack library for
the quantization, compression and coding of data. -The QccPackSPECK module is a optional addon to the QccPack library for
the quantization, compression and coding of data.
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Median Cut Algorithm,RGB,image,algorithm,quantization,color,red,blue,green,multimedia processing,
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对RGB图像进行uniform量化处理 uniform quantization for RGB image-uniform quantization
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This matlab code read bmp file and seperate it to R,G,B components. And also quantize the image.
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45666031LBG-Vector-Quantization in speaker recognition
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They are the programs of uniform quantization and non-uniform quantization.
In digital signal processing, quantization is the process of approximating ("mapping") a continuous range of values (or a very large set of possible discrete values) by
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用LBG算法对图像进行矢量量化,并实现了图像解码,图像解码视觉效果良好。-realized image vector quantization employed the LGB algorithm, and achieved the image decoding, image decoding visual effect is good.
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QUANTIZATION MATLAB CODE
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信号去噪的基本步骤:
(1)信号的小波分解;
(2)小波分解高频系数的阈值量化;
(3)信号的小波重构。使用分解的低频系数以及阈值量化后的高频系数进行小波重构。
-The basic steps of signal denoising:( 1) of the wavelet decomposition of signals ( 2) the high frequency coefficients of wavelet decomposition threshold quan
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spatio-temporal Volume Local Phase Quantization (vLPQ)
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《MATLAB向量化编程基础精讲》中的示例程序(Examples of the basics of MATLAB quantization programming)
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