搜索资源列表
Compute_PSNR
- 描述了一种计算图像的峰值信噪比的方法,用matlab语言实现。-Describes a computational image PSNR using Matlab language.
psnr-and-nc
- 数字音频水印中,原始载体音频和含水印音频之间的峰值信噪比PSNR和原始水印与提取出来的水印之间的归一化相关系数NC-Digital audio watermarking normalized correlation coefficient between PSNR PSNR between the original carrier audio and watermarked audio and the original watermar
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 threshol
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
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
psnr-of-matlab
- 计算图像峰值信噪比psnr的matlab源程序-matlab for psnr
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;
PSNR6
- 用c实现的计算彩色图像的峰值信噪比,代码简单可用-With c realize the calculated peak signal-to-noise ratio of the color image, the code is simple and available
zhongzhilvbo
- 分别在2幅灰度图像中加入一定量的高斯噪声和椒盐噪声,噪声强度自定。然后采用3×3的均值滤波器和3×3中值滤波器分别对噪声图像进行处理,给出两种处理方法的峰值信噪比(PSNR);仿效“中值滤波”的方法,对原图像分别进行“极大值滤波”和“极小值滤波”,对所形成的图像给出说明。-Two gray-scale images a certain amount of Gaussian noise and salt and pepper noise
1
- MATLAB实现中值滤波源代码,此文件为MATLAB做图像中值滤波的源代码,并且计算均方误差,归一化均方误差以及峰值信噪比-MATLAB median filter source code, the source code of this file for MATLAB image median filtering, and calculate the mean square error, normalized mean square
psnr_mse
- 自动计算一幅图像的峰值信噪比PSNR和均方误差MSE-Automatically calculate the psnr and mse of an image.
quality
- 图像质量评价,峰值信噪比(PSNR),均方根误差(mse)-Image quality evaluation, the peak signal to noise ratio (PSNR), root mean square error (mse)
JPEG
- 根据JPEG压缩编码的基本压缩原理编写JPEG仿真程序,利用MATLAB软件对程序进行运行调试,验证了JPEG压缩编码算法的可行性。通过比对输出图像压缩前后实际效果,探讨压缩比,峰值信噪比等评价图像数据压缩程度及压缩质量的关键参数,对JPEG压缩编码算法的实用性和优越性进行了研究。- I have JPEG compression in-depth study on the basic principles of image data
PSNR
- 可以计算图片在处理前后的峰值信噪比峰值信噪比-compute pnsr
psnr
- 几个关于图像质量评价的函数。包括psnr峰值信噪比,均方误差rms,正则均方误差nmse等。可用于去噪图像和压缩图像的质量评价-Several image quality evaluation of the function. Including psnr PSNR, mean square error rms, it is mean-square error nmse other. Can be used for image deno
quality--index-of-image
- 此文档中的代码可以计算5种图像的质量参数,分别是:图像灰度均值、图像方差、图像平均梯度、熵和峰值信噪比及均方误差。-The code in this document can be calculated five kinds of image quality parameters, namely: the image gray value, image variance, average gradient image, entropy
TUXIANGCHULI
- 利用matlab求图像的峰值信噪比和均方误差最简单的方法- The easiest way to find image PSNR and MSE by matlab
PSNR
- 用于比较处理前后灰色图像的PSNR(峰值信噪比)-Used to compare the PSNR(peak signal to noise ratio) of an orignial image and processed image.
PSNR
- 图像去噪是对图像进行处理必不可少的一部分,去噪的方法有很多种:均值,中值,维纳,小波变换等等,在对图像去噪以后,要对图像的效果进行评价,那么一般的评价值为:峰值信噪比