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matlab的图像处理。图像编码（HUFFMAN编码）小波变换，1、 分别用sobel、Laplacian-Gaussian方法对一幅灰度图像进行边缘提取-Matlab image processing. Image Coding (HUFFMAN coding) wavelet transform, 1, respectively segmentation, Laplacian - Gaussian approach to a gray-scale image from the edge
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用Matlab对图像进行哈夫曼编码（Huffman Coding）以实现对图像的无损压缩-Use Matlab to realize Huffman coding for lossless image compression
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编写一个程序，对输入的图像进行哈夫曼编码，显示原图像的熵、编码后的平均码字长度、并能够根据编码重建出图像。
Sobel算子和拉普拉斯算子进行锐化，并比较结果。-Write a program to image the input Huffman coding, the entropy of the original image displayed, encoded, the average code length, and be able to reconstruct the image a
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HUFFMAN 编码
主要针对于灰度图像-HUFFMAN coding focused on the gray image
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基于matlab的图像或者序列的哈夫曼编码及解码程序-Matlab-based image or sequence of Huffman coding and decoding procedures-Matlab-based image or sequence of Huffman coding and decoding process-Matlab-based image or sequence of Huffman coding and decoding procedures
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This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
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This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
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This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
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Huffman and Shannon-Fano source coding
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这是一个编码系统，包括图像配准，一维二维huffman编码，lz算法等。-This is a coding system, including image registration, one-dimensional two-dimensional huffman coding, lz algorithm.
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利用Matlab编程实现对lena.bmp灰度图象进行QF=50和QF=40的压缩和解压缩，比较二者的PSNR，并且利用霍夫曼编码模拟信道中传输图象。通过了Matlab2009A测试。-Using Matlab program to compress and decompress the gray image Lena.bmp at QF = 50 and QF = 40,as well as comparing the result of two situation.Then using Hu
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本程序是姚敏那本图像处理书中的赫夫曼定理的源代码，经验证无误。此文档是.m文件的形式，可以直接用matlab打开-This procedure is that the image processing Yao Min Huffman Theorem book source code, proven correct. This document is. M file form that can be opened directly with matlab
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实现哈夫曼编码的matlab程序，可用于图像压缩处理，还可以计算出压缩率。-Matlab program to achieve Huffman coding can be used for image compression, the compression ratio can be calculated.
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this function perform huffman coding and decoding on image by using matlab program -this function perform huffman coding and decoding on image by using matlab program ..
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（1）试利用函数dct2，对该图像进行压缩。压缩时可尝试对DCT 变换后的系数采用不同取舍方法，比较其压缩性能。（函数dct2在matlab本身是有的，可以help dct2看看）
（2）结合课本例8.7.2 的量化方法，对每一个经DCT变换后的8×8 矩阵量化（Huffman编码部分可省略），从而实现图像压缩。在一定压缩比的情况下，和⑴给出的图像质量相比较。
（3）用所给的子子程序fast_LOT.m 实现对该图像的变换与压缩，并和（1）得出的图像质量相比较-(1) Test usin
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MATLAB实现huffman编码,可以自由改变输入-Convert a color image into a grayscale
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matlab function that generates huffman code for image
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matlab project for huffman code for image compression that convert image to the binery and than create its treee and docode to reduce its size-matlab project for huffman code for image compression that convert image to the binery and than create its
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图像压缩编码码matlab实现:DM编码、变换编码、算术编码、行程编码、Huffman编码、线性预测编码-image compression coding matlab code to achieve. Including: DM coding, transform coding (FFT and DCT), arithmetic coding, Run-Length Coding, Huffman coding
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The following Matlab project contains the source code and Matlab examples used for fractal image compression using quadtree decomposition and huffman coding. Image storage and transmission have created an increasing importance for the compression tec
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