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基于Matlab GUI的图像的DCT，自由调节压缩率，计算峰值信噪比，并图形化对比还原图像-Matlab GUI for image-based DCT, freely adjust compression rates, the peak signal to noise ratio, and reduction of image contrast graphic
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将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩。-The image sub-block (8* 8) for the DCT transform, and to make IDCT: DCT is a separable image transformations, is used to image compression coding, IDCT is used to decompress.
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This the Discrete cosine tranform matlad code which is useful for image compression and also it show-This is the Discrete cosine tranform matlad code which is useful for image compression and also it show
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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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基于DCT变换的图像压缩，分别给出了灰度图和真彩图的压缩方法。-DCT-based image compression, respectively, are given grayscale and true color pictures of the compression method.
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图像的DCT压缩（matlab7.0实现），包含了两个源码文件，以及运行截图，编译后可直接运行。-DCT image compression (matlab7.0 implementation), consists of two source files, and run shots, can be compiled to run directly.
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共7个matlab程序及两幅原始待处理图像，功能是图像压缩的实验，分别运用了DCT（1个程序），小波变换（5个程序）和小波包变换（1个）对图像进行压缩，各个程序的作用及程序注释已在程序中做了详细说明,程序均可直接运行-matlab program for image compression ,using DCT wave,wavelet,wavelet packet methods respectively .
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this project demo consists of the DCT transform using image compression appllications.
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利用DCT进行图像压缩（首先将图像分割成8×8的图像，对每个子图像进行DCT，这样每个子图像有64个系数，舍去50％小的变换系数，进行2：1的压缩。）-Using DCT for image compression (first image into 8 × 8 image, for each sub-image DCT, so that each sub-image by a factor of 64, rounding 50 of the small transform coefficie
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利用DCT变换对灰度图像进行压缩，求出压缩比；对比不同压缩比的图像。-DCT transform using grayscale image compression, the compression ratio obtained compare different compression ratio of the image.
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在8*8子图像块前提下，不同压缩比对图像压缩效果的影响-8* 8 sub-image block under the premise of different compression than the image compression
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L12_compresie_imagDCT conteins image compression algorithms using DCT
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图像压缩的matlab源码，基于dct的静态图像的压缩-Image compression matlab source code, based on the the dct static image compression
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Matlab code for image compression.
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image compression using descrete wavelet transform
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DCT图像压缩和反DCT，里面有程序说明和运行结果-
DCT image compression and anti-DCT, which has a descr iption of the procedures and the results
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DCT and Image Compression
In the JPEG image compression algorithm, the input image is divided into
8-by-8 or 16-by-16 blocks, and the two-dimensional DCT is computed for each
block. The DCT coefficients are then quantized, coded, and trans
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matlab program for image compression using dct
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Image compression based on DCT MATLAB File
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