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compressed-sensing-procedure
- 基于压缩感知的图像处理,分别使用二维DCT、FFT和一维dwt变换对图像信号进行稀疏变换,然后使用正交匹配追踪算法进行重构,在进行相应的逆变换-This is a image processing procedure based on compressed sensing which respectively uses two-dimensional DCT, FFT and one-dimensional dwt transform to sparse the image signal a
DCT
- 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
dct
- 用MATLAB实现图像的离散余弦变换,程序运行结果表明离散余弦变换能够起到压缩图像的目的。-in order to compress the bite of pictur,the program use the DCT to compress.
dct_y1_zuizhong1
- matlab 数字图像压缩 DCT实现,matlab本身有demo 但这里加固一下-digital image processing using matlab, enjoy yourself
dctcompr
- 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.
DCT
- 对图像信号进行DCT压缩和编码及加噪滤波后的恢复-DCT on the image signal compression and coding and increase the recovery of the filtered noise
dctcompress22
- 基于matlab的DCT图像压缩算法 (压缩效果对比)-DCT-based image compression algorithm matlab
MATLABimagecompression
- 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 .
ImageProcessing
- JPEG图像压缩标准MATLAB仿真程序。包括DCT变换及其逆变换、量化及反量化等过程。-JPEG image compression standard MATLAB simulation program. Including the DCT transform and its inverse transform, quantization and inverse quantization and other processes.
JPEG_main
- JPEG压缩编码算法函数编程实现 子块DCT变换的图像频谱显示;8×8子块DCT变换系数按“Z”(Zig-Zag)扫描的图像重建; JPEG压缩编码(进行8×8子块的DCT图像变换,JPEG量化矩阵的量化与反量化,8×8子块DCT的图像重建); 计算图像的均方根误差 、显示误差图像和误差直方图。-failed to translate
exa080903_LOT_1D
- 利用子程序fast-lot.m,实现对该图像的变化及压缩,并和以为信号做dct后的图像质量相比较。-Using subroutine fast-lot.m, to achieve the changes and compression of the image, and after, and that the signals do dct compare the image quality.
MATLABjpeg
- 基于DCT离散余弦变换的JPEG数字图像压缩MATLAB程序。-Discrete cosine transform DCT-based JPEG image compression MATLAB.
imagecompression
- 有损图像压缩的matlab程序实现,通过dct变换,霍夫曼编码,译码,比较压缩后图像与原图。-lossy image compression
DCT-for-image-compression-
- 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
DCT
- dct实现图像压缩,可运行的,matlab实现-failed to translate
DCT-MATLAB
- 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.
123JEPG-example
- 图像压缩的matlab算法之JPEG,DCT算法。-matlab jpeg dct
dct
- 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
DCT
- 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
35325487ImageMagick6.6.9-windows
- 软件编码的成本主要是人力和时间。最终的软件是一个人或一个团队的智慧。知识成本积累产生的无形资产巨大。图像在当今信息社会中扮演着重要的角色,它的资源是巨大的。在追求时间和空间的今天,研究图像压缩是可行的。(The coefficients of the DCT domain motion compensation error or the original image information convert into blocks are represented by different freq