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常用图像压缩编码码matlab实现。包括：DM编码、变换编码（FFT和DCT）、算术编码、行程编码、Huffman编码、线性预测编码和一个近似的JPEG编码过程。非常适合入门用户实践。,Commonly used image compression coding matlab code to achieve. Including: DM coding, transform coding (FFT and DCT), arithmetic coding, Run-Length Coding, Hu
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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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DCT图象压缩编码,只包括编码部分
DCT图象压缩编码,只包括编码部分-DCT image compression coding, including encoding only part of DCT image compression coding, including encoding only part of
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是DCT图象压缩的算法，是C编写的，是核心算法。-Is the DCT image compression algorithm is written C, is the core algorithm.
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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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该程序利用离散余弦变换（DCT）对JPEG图像进行压缩与解压缩-The program using the discrete cosine transform (DCT) for JPEG image compression and decompression
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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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对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1．对此图进行 8×8 DCT 变换后，分别只保留 DC系数，以及保留前 4、8、16 个变换系数(DC＋AC) ，然后再分别进行 IDCT 变换，比较结果。 2．可以使用 Matlab - Image Processing Toolbox 中的函数实现。-gray image of the original image compression Lena_gray.bmp an experiment. This diagram 8 8
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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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裡面有包含圖片跟jpeg壓縮的主要程序DCT的演算法,會秀出作dct轉換的前後圖片-Contains a picture inside the main program with the jpeg compression algorithm DCT will be showed off pictures before and after conversion for dct
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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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DCT 图像压缩 算法 源代码 不用matlab本身自带的源代码-DCT image compression
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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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DCT算法对图像进行压缩解压，并且计算压缩比-The DCT algorithm to calculate the compression ratio for image compression decompression
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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图像压缩：此源代码变换域系数选取采用区域编码，通过非零区域的选择，呈现不同的恢复效果-DCT image compression: This source code transform domain coefficients using the selected coding region, by choosing a non-zero area, showing the effect of different recovery
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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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