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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
MatlAB1
- 求取图像信噪比 均方差 峰值信噪比 逼真度等的matlab 程序函数-Average Absolute Difference，Signal to Noise Ratio (dB)，Peak Signal to Noise Ratio (dB)，Image Fidelity，Mean Square Error，The difference between restoredimg entroy and originalimg，entroy
zxl
- 利用维纳图像复原，并采用直接逆滤波、信噪比维纳滤波、自相关函数维纳滤波、中值滤波进行横向、纵向比较-Image restoration using Wiener and direct inverse filtering, Wiener filtering noise ratio, since the correlation function Wiener filtering, median filtering for horizontal, vertical comparison
CWsinal
- matlab绘制CW信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-matlab draw CW signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.
LPM
- 用matlab绘制线性调频信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-Matlab drawing with linear frequency modulation signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum
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.
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
EZW
- 此代码是小波零树算法的matlab实现程序，子程序较为齐全，包括最后计算压缩图像的峰值信噪比和压缩效果的源码。-This code is the wavelet zero-tree algorithm matlab implementation procedures, subroutines are more complete, including the final calculation of the peak signal to noise ratio and the compressed
db8
- 小波分解和重构的算法，分析了信噪比，可自行定义分解级数-wavelet alg for image
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
pso
- 对不同噪声强度的加噪图像，用粒子群优化算法优化结构元素，找到最优结构元素，对图像进行去噪操作，使恢复的图像达到最大峰值信噪比-Noise intensity for different images with noise, using particle swarm optimization algorithm to optimize the structure elements, find the optimal structure element, the image de-noising o
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
- 求解两幅压缩前后图片A和B之间的峰值信噪比-To find the PSNR (peak signal-to-noise ratio) between two intensity images A and B, each having values in the interval[0,1]. The answer is in decibels (dB).
PSNR
- 两个图片的峰值信噪比，用MATLAB实现的，程序里面有详细的例子讲解-PSNR of two images, realized with the MATLAB
ATM
- 可用来计算两幅图像的峰值信噪比，以此评价图像质量标准(The code is utilzes to obtain PSNR of two images,which aims to evaluate te qualitiy)
Files
- 数字图像处理，图像质量评价指标，matlab 计算图像峰值信噪比(Calculation of peak signal to noise ratio)
均方误差MSE和峰值信噪比PSNR
- 利用MATLAB语言对图像进行处理，计算其均方误差MSE和峰值信噪比PSNR。
去噪
- 通过matlab实现 1显示图像 2对图像加噪 3硬阈值去噪 4软阈值去噪 5计算峰值信噪比(Image denoising, hard threshold denoising and soft threshold denoising.)
MATLAB数字水印[dwt+dct多攻击+GUI界面]
- 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI，可以调用dwt方法的子界面和dct方法的子界面。流程包括，读取宿主图像和水印图像，嵌入，多种方法的攻击（剪切，加噪，旋转等），提取，最后利用psnr峰值信噪比进行评价不同攻击下，鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comp
DCT,DWT,DFT,LSB数字水印MATLAB+GUI界面
- 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI，可以调用dwt方法的子界面和dct方法的子界面。流程包括，读取宿主图像和水印图像，嵌入，多种方法的攻击（剪切，加噪，旋转等），提取，最后利用psnr峰值信噪比进行评价不同攻击下，鲁棒性的好坏。(This project is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method co