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用MATLAB读取一幅图像
- 用MATLAB读取一幅图像，并且计算其图像信噪比,Using MATLAB to read an image and calculate the image SNR
图像的峰值信噪比PSNR
- 图像处理，图像的峰值信噪比PSNR，matlab代码例程，验证可用,Image processing, image the peak signal to noise ratio PSNR, matlab code routines can be used to verify
Nlayer_denoise.rar 小波阈值去噪
- 小波阈值去噪。对图像加噪，并进行小波1到4层分解去噪，给出信噪比走势图,Wavelet threshold denoising. Image noise, and 1-4 layers of wavelet decomposition of de-noising, signal to noise ratio is given chart
PSNR.rar
- 求数字图像处理后的评价参数（SNR）信噪比，matlab原程序！,After the digital image processing for the evaluation parameters (SNR) signal to noise ratio, matlab original program!
SNR.rar
- 可以计算图像的信噪比，适合初学者使用，采用VC++语言编写,Can calculate the signal to noise ratio images, suitable for beginners to use, using VC++ Languages
objective_evaluation
- 图像评价的几个标准，包括峰值信噪比，均方误差，平均绝对误差，图像保真度，信噪比的MATLAB代码，采用基本编程方法，适合初学者加深图像客观评价标准的理解。-Image evaluation of several criteria, including PSNR, MSE, mean absolute error, image fidelity, signal to noise ratio of the MATLAB code, using the basic programming for be
Watermark_3
- 信息隐藏与水印技术系列实验之三：DWT变换域可见图像水印算法（开发工具：vc2005）：实现在一个256色灰度载体图像变换域数据中嵌入一个256色灰度文本图像水印。其主要功能如下： （1）可以载入不同的载体图像和水印图像，但载体图像和水印图像在本软件中被限制为256色灰度图像，若要用其它图像甚至彩色图像，请修改源码。 （2）水印在载体图像中的嵌入位置及嵌入强度可以设置。 （3）可以计算原始图像和含水印图像的峰值信噪比（PSNR），以对含水印图像进行客观质量评价。 （4）源码结构清
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- 计算两幅图像的SNR信噪比的源代码MATLAB版-Calculation of two images PSNR peak signal to noise ratio of the source code version of MATLAB
ComputePSNR
- 计算图像经小波变换，低频部分重建后，与原图像的信噪比！-Images by calculating the wavelet transform, after the low-frequency part of the reconstruction of the original image signal to noise ratio!
ImageCoding
- 可以实现图像霍夫曼编码,香家费诺编码,算术编码,游程编码,位平面编码,预测编码,在编码过程中会显示被压缩图像的各个参数(压缩比,码长,信噪比等),并有图像恢复功能.-Huffman code can achieve images, Fenno House Shannon coding, arithmetic coding, run-length coding, bit plane coding, predictive coding, in the process of encoding comp
IMageQualityEvaluatingFunction
- 两个图像质量评价函数，psnr峰值信噪比，正则均方误差nmse，能可用于去噪图像和压缩图像的质量评价，很有用啊。-Two image quality evaluation of the function. Including psnr PSNR, it is mean-square error nmse other. Images can be used for de-noising and compression of image quality evaluation.
psnr
- 计算峰值信噪比,可以用于检查图像密写的效果-Calculation of peak signal to noise ratio, images can be used to check the effect of Steganography
pingjia
- 图像处理效果评价,评价指标包括峰值信噪比，熵，以及均方误差，具体公式请参考相关文献-photo
ObjectiveFidelityCriteria
- 本实验要求编写一个计算压缩-解压缩图像的均方根误差、均方信噪比的程序。该程序是一个通用程序。编写程序产生图示的结果。使用上面的保真度准则程序计算可视信息的损失特性。-Prepared in this experiment, a calculation of compression- decompression of the root-mean-square error of image, mean square signal to noise ratio of the procedure. Th
filter_Rough
- 这个程序时对图像进行粗略去噪处理，可以输出去噪后 图像及信噪比-This program pairs a rough denoising image processing, can output images and SNR after denoising
PSNR
- 峰值信噪比在信号处理中经常用到，这是一个将原始图像和压缩图像的峰值信噪比进行比较的例子。-Peak signal to noise ratio is often used in signal processing, which is a the original image and compressed image peak signal to noise ratio compared examples.
testimages
- 用来做信噪比、峰值信噪比和均方差检测的图像，比较经典，都是灰度图像-Used for signal to noise ratio, peak signal to noise ratio and standard deviation detection images, more classic, all gray image
psnr
- 计算两幅图像峰值信噪比的matlab函数-Calculate PSNR of two images of the matlab function
sp
- 用于计算图像鲁棒性的峰值信噪比和归一化相关系数。峰值信噪比值越大，说明图像处理效果越好，鲁棒性强，越小越不好。归一化相关系数值越大越好。-Images used to calculate the peak signal to noise ratio and robustness of the normalized correlation coefficient. The greater the peak signal to noise ratio, indicating that the bet
数字图像处理上机实验
- 数字图像处理计算图像峰值信噪比 利用JND进行图像增强(Calculate peak signal to noise ratio)