搜索资源列表
Wavelet_ROMP
- 压缩感知CS——采用小波变换进行稀疏表示，高斯随机矩阵为观测矩阵，重构算法为ROMP算法，对256*256的lena图处理，比较原图和ROMP算法在不同采样比例(0.74、0.5、0.3)下的重构效果，并各运行50次，比较算法性能PSNR和每次的运行时间 -Compressed sensing CS- using wavelet transform as sparse representation, Gaussian random matrix as the observation matr
MSE_PSNR
- 关于评价彩色图像质量的相关定义，如常用的MSE和PSNR，与灰度图像稍有区别，在图像的滤波、加密恢复等可以用得到。-Associated definitions on the evaluation of the color image quality, such as the commonly used MSE and PSNR slight difference with the grayscale image in the image filtering, encryption can be
New-Folder-(4)
- In this paper the analysis of the compression process was performed by comparing the compressed signal against the original signal. To do this the most powerful speech analysis and compression techniques such as Linear Predictive Coding (LPC) and Dis
chengxu
- 求两幅存在一定位移或偏差的RGB图像的均方根误差MSE和峰值信噪比PSNR-Seeking two RGB images there is a certain displacement or deviation of the root mean square error (MSE) and peak signal to noise ratio PSNR
NSL0
- 结合牛顿算法的sl0的优化算法，实现L0范数的近似实现。具有较好的效果。-the modified algorithm of SL0,which has a better qualitify on psnr and runtime.
psnrsourcedoidandapp
- 给出了PSNR,MSE的源码，及PSNR的应用例子-Application examples given PSNR, the source of the MSE and PSNR
Wavelet_SL0
- 压缩感知CS——采用小波变换进行稀疏表示，高斯随机矩阵为观测矩阵，重构算法为SL0算法，对256*256的lena图处理，比较原图和SL0算法在不同采样比例(0.74、0.5、0.3)下的重构效果，并各运行50次，比较算法性能PSNR和每次的运行时间 -Compressed sensing CS- using wavelet transform as sparse representation, Gaussian random matrix as the observation matrix
DWT2D
- 对图像进行二维离散小波变换, 变换级数大于等于3级,然后进行阈值化处理(阈值约为10左右),再统计系数中0的个数（百分比表示）并进行重构, 最后计算重构图像的峰值信噪比(PSNR). -Two-dimensional discrete wavelet transform image transformed series is greater than or equal to 3, and then processing thresholding (threshold of about 10 or
rgbpic_psnr.rar
- 彩色图像和灰色图像的psnr和mse的计算,The color image psnr mse calculation
ImageNoiseEvaluation
- This matlab code show the noise calculations in image like PSNR etc. Which helps in image processing projects.
Watermarks-and-Features
- This MATLAB Code will help to determine the watermark and its extraction properties like PSNR
watermatking
- 对信号进行DWT分解，并对信号进行水印提取重构，测试信噪比-decompose signal by DWT,watermark the watermarking test it s PSNR
psnrSnow
- 用经典的峰值信噪比方法进行图片和视频质量的评定-Picture and video quality assessment using the the PSNR classic method
testone
- 二维离散小波变换(Mallat快速算法)对图像进行二维离散小波变换, 变换级数大于等于3级,然后进行阈值化处理(阈值约为10左右),再统计系数中0的个数（百分比表示）并进行重构, 最后计算重构图像的峰值信噪比(PSNR). 数据：灰度图像lena.bmp或其它图像, 滤波器系数可以调用matlab中的wfilters函数获得, wfilters函数的使用请在matlab中help wfilters.-Two-dimensional discrete wavelet transform (Ma
DCTJPEG
- blkproc.m,DCHuffmanEncoding.m,ACHuffmanEncoding.m,zigzag.m,PSNR.m, 对灰度图像进行DCT变换,量化,ZigZag扫描,Huffman编解码,反量化,反DCT变换而重建图像。 其中，blkproc.m为分块DCT变换函数； DCHuffmanEncoding.m，ACHuffmanEncoding.m分别为DC和AC变换系数的Huffman码表函数； zigzag.m为ZigZag扫描函数；PSNR.m为求图
psnr
- sar影像的去噪评价指标，经测定，完全可用-sar image denoising evaluation index, measured fully available
noised-vedio
- 本段代码是利用图片形成视频并利用对每帧图像加噪声来形成噪声视频，可用于视频PSNR检测-The section of code is the use of picture form video and use of each frame plus noise noise video detection for video PSNR
watermarking-image-aimage
- 在Matlab环境下实现图片的水印嵌入，利用离散小波变换，较好的实现了应有的功能，并且通过计算PSNR值很好的验证了水印算法的不可见性和鲁棒性。-Watermark image is realized in Matlab environment, using the discrete wavelet transform, achieve a better functions, and are in good agreement with the watermark imperceptibilit
hkj
- 对图片加噪声后进行soft threshold 处理,提高PSNR-Picture plus noise soft threshold processing, and improve the PSNR
hw1Quantization
- 图像量化，计算PSNR.图像量化，计算PSNR-calculate the PSNR of a picture