搜索资源列表
Dctlab
- 关于图像DCT压缩编码解码的MATLAB程序，适合初学者。希望对大家有用！-on DCT compression codec MATLAB procedures for beginners. We hope that the right useful!
dct_cs
- 采用BP算法来实现压缩感知的信号重构示例。BP算法由线性规划来实现，稀疏基为DCT基，信号为语音信号-an example of using BP algorithm for signal reconstruction in compressed sensing. BP algorithm is implemented by linear programming, sparse basis is the DCT basis, the signal used is speech
dct_cs
- DCT压缩感知方案，采用DCT基稀疏分解原始信号，并且重构出原始信号-DCT compressed sensing scheme, using sparse decomposition of the original DCT-based signal and reconstruct the original signal
cs-code
- 一个正弦波利用DCT，FFT变换后稀疏化，然后应用压缩感知实现压缩，并有仿真图例说明重构效果。重构算法采用线性规划和OMP算法等，是一个初学CS入门的好例子。-A sine wave using DCT, FFT transform sparse, and then apply compressed sensing to achieve compression, and a legend reconstruction simulation results. Reconstruction algo
dct_omp
- 压缩感知中基于DCT基的OMP算法，用正交匹配追踪重构出原始信号-DCT-based compressed sensing based OMP algorithm, orthogonal matching pursuit reconstruct the original signal
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
- 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.
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.
dctformatlab
- 在matlab环境下实现dtc变换，以用于图象压缩以及处理-in the matlab ，get the DCT transform
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
dct-wave
- dct与小波压缩，适用于毕业设计和论文呢-dct and wavelet compression
KL_transfer
- kl变换，dct，dft变换以及信号压缩-kl transform, dct, dft transform and signal compression
dctimagecompressionmatlab
- 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.
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 .
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.
DCT中值均值
- 1）图像平滑算法程序设计： 2）DCT压缩（保留不同系数），要求显示原图像、压缩后图像的文件大小、压缩比或算术编码压缩
MATLAB数字水印[GUI,dwt,dct,lun文]
- 该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比，有一个GUI界面，包括嵌入，加噪，旋转，剪切，压缩等多种攻击，提取候，具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedd