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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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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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VC++图像DCT快速变换源码,包括普通DCT、快速DCT、快速IDCT算法的实现。程序执行后,
将每一种变换的结果存为TXT文档 ,方便查看-VC++ Fast DCT transforms the image source, including ordinary DCT, fast DCT, fast IDCT algorithm. Program execution, it will transform the results of each saved as TXT document
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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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本程序基于matlab开发环境,对数字水印进行8*8DCT变换,属于非盲数字水印!-Matlab-based development environment for this program, the digital watermark 8* 8DCT transform, a non-blind watermarking!
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给予matlab的JPEG压缩程序,包含原始压缩图片,程序对灰度bmp图片进行JEPG编码,压缩成以0101形式的编码。JPEG编码先把图象色彩RBG变成亮度Y和色度Cr、Cb,它利用人的视觉对色度不敏感的特点,减少一部分色度数据,以达到压缩。 JPEG采取多种编码方式,包含有行程编码(Run Length Coding)和哈夫曼(Huffman)编码,有很高的压缩比。在编码前,先对数据进行分块,离散余弦变换(DCT)及量化,保留能量大的低频信号,丢弃高频信号以达到压缩。-Given to th
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程序1 中值滤波
程序2 直方图均衡化
程序3 DCT变换
程序4 小波变换
程序5 最小距离分类-Program 1 program 2 median filtering histogram equalization program 3 DCT transform process transformation program 4 5 minimum distance classifier
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本代码可以实现图像的离散余弦变换,经过调试无错误,可以顺利使用。有利于学习图像处理编程。-This code can achieve the image discrete cosine transform, through debugging error-free, can be successfully used. Conducive to learning image processing program.
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论文给出了一种在小波变换域中对静态图像加水印的方案。-Paper presents a wavelet transform domain in the increase of the static image watermarking program.
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离散余弦变换的小程序,适合学习图像变换的初学者,程序简单,易懂-Discrete cosine transform small programs for beginners to learn the image transformation, the program is simple, easy to understand
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此程序用C语言写的DCT变换。DCT变换 DCT变换的全称是离散余弦变换(Discrete Cosine Transform),是指将一组光强数据转换成频率数据,以便得知强度变化的情形。若对高频的数据做些修饰,再转回原来形式的数据时,显然与原始数据有些差异,但是人类的眼睛却是不容易辨认出来。-DCT transform of this program written in C language. The full name of the DCT DCT transform is discrete
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量化离散余弦变换系数的程序实现及其效果的检测。过程中使用了8x8的分块方法。首先计算每块的离散余弦变换(DCT);然后量化了DCT的系数; 最后进行了反离散余弦变换(iDCT). 程序中还可以设定缩放系数。-Quantify the discrete cosine transform coefficients procedure and its effect detection. The process used in the 8x8 sub-block method. First calcul
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主要用于选择要进行变换的图像的路径和类型,对应于主程序,给出了选择要打开的文件的示意图。-Is mainly used to transform the image of the path and type corresponds to the main program is given to select the file to open the schematic.
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本程序源码实现了数字图像水印的DCT变换嵌嵌入算法,是非常常见的经典算法! 可直接使用。
-The program source code to achieve the Digital Image Watermarking in the DCT transform embedded embedding algorithm, is very common classical algorithm! Can be used directly.
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该程序是图像处理中的离散余弦变换的源代码,语言环境VC-The program is a discrete cosine transform image processing source code, the language environment VC++
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彩色图像的压缩与解压的程序,网上关于图像压缩的程序基本上是黑白图像的压缩,我参考别人黑白图像压缩的源码改写出了彩色图像的压缩与解压的程序,里面包括色域的转换、DCT变换等-Compression of color images online image compression and decompression program, the program is basically a black and white image compression, my reference to the ot
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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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a program that encod and decode an image with jpeg stadard, using the dct transform
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