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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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给出了两种利用matlab对图像进行行霍夫曼编码的方法，经过仿真，效果很好！
-Two using matlab image line Huffman coding method, after the simulation, the effect is very good!
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hufman
coding. Input QUALITY determines the amount of information that
is lost and compression achieved. Y is an encoding structure
containing fields:
Y.size Size of X
Y.numblocks Number of 8-by-8 encoded blocks
Y.qualit
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matlab的图像处理,图像编码HUFFMAN编码小波变换 不错的(Matlab image processing, image coding HUFFMAN coding wavelet transform is good)
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使用matlab实现的jpeg基本系统，输入为灰度图像，输出为使用‘0’‘1’字符表示的字符串。
包括dct编码与解码、量化与反量化，Huffman编码与解码(The JPEG basic system implemented with MATLAB is entered into a gray image, and the output is a string represented with a '0' '1' character.
Including DCT coding and de
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霍夫曼编码；量化到8位字节每个像素编码及解码(Write a MATLAB function [zipped, info] = pixel_coder(X) that takes an image X and using the
Huffman coder above applied in the pixel domain quantized to 8 bits per pixel returns the coded
sequence zipped along with the header
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