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2下载：
利用霍夫曼编码算法对数字图像进行压缩及解压缩处理，解压出来的图像与源图像几乎完全一致，峰值信噪比为无穷大,The use of Huffman coding algorithm for digital image compression and decompression processing, extracting images from the source image is almost exactly the same infinite PSNR
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3下载：
JPEG图像压缩和解压MATLAB程序，使用了DCT2、线性量化编码、zigzag变换和游程编码理论-JPEG image compression and decompression MATLAB procedures, using DCT2, linear quantization coding, zigzag transform and run-length coding theory
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0下载：
一个分形压缩的程序：
1、因为本程序时间长，FX中先选择图片的大小
2、编码与解码
3、做误差图和只方图
4：画出每次迭代的解码图象
5、本程序来自本网站，修改了部分，解释说明更清楚。
6、增加了部分功能，希望对大家有所帮助，互相学习……
-A fractal compression process: 1, because this process a long time, FX in the first select the size of picture 2, e
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4下载：
本实验要求编写一个计算压缩-解压缩图像的均方根误差、均方信噪比的程序。该程序是一个通用程序。编写程序产生图示的结果。使用上面的保真度准则程序计算可视信息的损失特性。-Prepared in this experiment, a calculation of compression- decompression of the root-mean-square error of image, mean square signal to noise ratio of the procedure. Th
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解压后将myfiest.fig，myfirst.m，Run_Draw.m放在同一个目录下，用matlab打开即可学习。
其中myfiest.fig是设计的GUI图形界面，myfirst.m是该图像界面的m文件，Run_Draw.m是该源文件中用到的一个绘图函数。
myfirst.m中给出了详细的注释，利用此例子可以快速入门matlabGUI编程。
有任何问题请联系：peiwt@126.com-After decompression myfiest.fig, myfi
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huffman编码用于图像的压缩和解压，很好用的，可以用于各类图像的处理-huffman coding for image compression and decompression, useful, and can be used for all kinds of image processing
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for using this code need to use signal toolbox and general toolbox in your matlab
Using Daubechies transform to compress the image (showing remaining coefficen of Thresholded Image)
and then using Inverse 2D Daubechies transform and finding t
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for using this code need to use signal toolbox and general toolbox in your matlab
Using Haar transform to compress the image (showing remaining coefficen of Thresholded Image)
and then using Inverse 2D Haar transform and finding the SNR to se
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用PCA算法在matlab平台上对图像进行压缩与解压缩，内含测试图像，能直接在matlab上运行使用，对学习PCA算法有帮助。-PCA algorithm used in matlab platform for image compression and decompression, containing the test images, can be run directly on matlab, PCA algorithm is helpful for learning.
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该代码是用MATLAB写的。实现了JPEG压缩与解压缩的基本过程。适合图像方向的初学者学习使用。 MATLAB语言开发-The code is written in MATLAB. Achieve a JPEG compression and decompression of the basic process. Suitable for beginners to learn to use the image orientation. MATLAB language development
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