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2下载：
1．首先通过DCT变换去除数据冗余；
2．使用量化表对DCT系数进行量化；
3．对量化后的系数进行Huffman编码。
具体源程序由主程序及两个子程序（DCT量化、Huffman编码）组成：
,1. First of all, through the DCT transform to remove data redundancy 2. The use of quantization table of quantization DCT coefficients 3. Of quanti
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先用小波变换进行降维后，再用DCT进行特征提取，然后用SVM分类识别，SVM需先安用libsvm工具箱，然后再可以运行，该程序包含ROL人脸库，一并上传。-First reduce the dimension of the wavelet transform, the then DCT feature extraction, and then use SVM classification, SVM must be safe to use libsvm toolbox, and then you
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用MATLAB编写的DCT变换程序，包括快速DCT变换，内含测试文件lena256.img-DCT transform program using MatlaB
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本程序是在VC++编译环境下，用纯C语言编写的2D-DCT变换，程序中用的是一个4*4的矩阵进行的变换，可以改为对一幅图像进行。运算结果正确，在Matlab中进行了检验，dct2()指令即进行DCT变换。有一定的参考价值。-This procedure is in VC++ compiler environment, written in pure C 2D-DCT transform, the program used is a 4 x 4 matrix for the transformat
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利用DCT变化对tif图像进行压缩利用DCT变换进行图像压缩的MATLAB程序-Changes in the use of DCT compression of tif images using DCT transform image compression MATLAB program
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，应用MATLAB仿真按序选择嵌入位的DCT变换算法，对仿真程序运行后的各种参数
和效果图的变化进行了分析；最后结合GUI开发设计出数字水印执行过程仿真控制界面，并用常见的水印攻击测试了该算
法的鲁棒性。-Application MATLAB simulation embedded spaces in sequence selection algorithm of DCT transform, simulation program running on the various param
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dct变换的源代码，非常使用的代码。二维的-dct transform the source code, the code is used. Two-dimensional
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实现了对bmp图像的量化，反量化，DCT变换，FDCT变换.可以调整参数，查看量化对图像影响，对图像处理课来说不失为一个好project.-This program implements the quantization, DCT, FDCT transform.
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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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这是一个matlab环境下的离散余弦变换的程序，与matlab的dct程序运行结果一样-This is a matlab environment, discrete cosine transform process, and matlab s dct program runs the same result as
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dct变换与dct逆变换，程序可以直接运行，代码中有详细注释，容易理解。-dct dct transform and inverse transform, the program can run the code in detail in notes, easy to understand.
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DCT变换，里面很多有用的matlab程序，你会需要的哈-DCT transform, which a lot of useful matlab program, you will need to Kazakhstan
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用MATLAB实现数据压缩中的DCT变换，程序里有比较详细的说明。-DCT transform data compression using MATLAB program, a more detailed explanation.
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The program performs image compression using DCT transform coding
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图像处理很重要，那只保留我们想要的信息就比较重要，程序是传统图像编码中的dct变换编码处理-Image processing is very important, the only retain the information we want is more important, the program is a traditional image coding in DCT transform coding processing
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信息隐藏，基于DCT变换的信息隐藏算法，matlab实现，多多指教(This is the code about information hiding,which based on DCT transform,using matlab to program ,and hope you guys enjoy this code)
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a program that encod and decode an image with jpeg stadard, using the dct transform
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里面要求实现基于DCT变换的图片压缩程序，基本上复制以后就可以直接运行。值得一提的是，我里面直接调用了三个个外部的包，如果用eclipse编译器或者其他的话，需要在偏好设置中自行设置，否则会报错。具体设置可以自行百度，很简单的(It requires the implementation of image compression program based on DCT transform. After copying, it can run directly. It is worth ment
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整数DCT变换的图像压缩的程序实现，编程的平台是matlab(Integer DCT transform image compression program implementation, programming platform is matlab)
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