Description: 利用patchwork方法,嵌入0-1水印。可设置像素修改值、选择各种经典的攻击方式和控制攻击强弱。返回提取的水印信息和峰值信噪比。利用Matlab编写。-The use of patchwork approach, embedding the watermark 0-1. Modify pixel values can be set to choose a variety of classic attacks and control the strength of the attack. Back to extract the watermark information and peak signal to noise ratio. Prepared using Matlab. Platform: |
Size: 108544 |
Author:张湛 |
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Description: 利用STDM方法嵌入水印信息,可设置量化步长,选择各种经典的攻击方式,控制攻击强弱,返回误码率和峰值信噪比-Stdm method using embedded watermark information, to set the quantization step size, choose a variety of classic attacks, controlling the strength of the attack and returned to the bit error rate and peak signal to noise ratio Platform: |
Size: 56320 |
Author:张湛 |
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Description: 图像峰值信噪比是评价重构图像质量的标准之一,本程序基于matlab开发。-Image peak signal to noise ratio was to evaluate the reconstructed image quality of one of the criteria, the procedures developed based on matlab. Platform: |
Size: 5653504 |
Author:李航 |
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Description: 求图像峰值信噪比,可以用于图像质量的评估。-Peak signal to noise ratio for images that can be used for image quality assessment. Platform: |
Size: 1024 |
Author:刘坤 |
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Description: 函数功能:本函数将完成对输入图像的峰值信噪比计算-Function: This function will be completed on the input image of the peak signal to noise ratio calculation Platform: |
Size: 1024 |
Author:rachel |
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Description: 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 Platform: |
Size: 1024 |
Author:陈阳 |
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Description: 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 image compression source. Platform: |
Size: 265216 |
Author:waker |
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Description: 基于小波变换的图像压缩代码,包括压缩比、运行时间和计算复原图像的峰值信噪比-Image compression based on wavelet transform code, including compression ratio, operation time and recovery images of the peak signal to noise ratio calculation Platform: |
Size: 413696 |
Author:刘灿 |
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Description: 本代码是基于Bandelet的硬阈值SAR图像去噪,结果与小波变换进行对比,结果表示其在峰值信噪比,边缘保持系数上均有一定的提高。压缩包中有程序和SAR图像。-This code is based on Bandelet SAR image denoising with a hard threshold .the results were compared with the wavelet transform, and the results indicated that in the peak signal to noise ratio(PSNR)and edge-preserving index(EPI), there is a certain on the increase. There are procedures and SAR images in this compression package. Platform: |
Size: 270336 |
Author:周宇 |
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Description: 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. Platform: |
Size: 1024 |
Author:wangna |
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Description: 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 Platform: |
Size: 2048 |
Author:david |
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Description: 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 operation to restore the image to a peak signal to noise ratio Platform: |
Size: 130048 |
Author:吴琳珠 |
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Description: 小波插值(全小波插值,小波双线性插值,小波双三次插值及其改进)放大图像,提高图像的分辨率;对插值图像做质量评价(峰值信噪比PSNR;均方信噪比SNR)-Wavelet interpolation (full wavelet interpolation, wavelet bilinear interpolation, cubic interpolation and improved method) to enlarge the image and improve image resolution assesse the interpolation image (peak signal to noise ratio PSNR mean square signal to noise ratio SNR) Platform: |
Size: 1024 |
Author:zhoujianhua |
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Description: 利用图像处理工具箱实现均方误差(MSE)、峰值信噪比(PSNR)和熵的源代码-By image processing toolbox to achieve the mean square error (MSE), peak signal to noise ratio (PSNR) and the entropy of the source code Platform: |
Size: 2048 |
Author:xmzhang |
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Description: 1. 用 butterworth和理想低通滤波器对受椒盐噪声和高斯噪声污染的图像进行平滑处理, 计算平滑前后的PSNR(峰值信噪比).
2. 用 3x3邻域平均平滑和3x3中值滤波对受椒盐噪声和高斯噪声污染的图像进行平滑处理, 计算平滑前后的PSNR(峰值信噪比).
3. 用 roberts算子和Laplace算子对一图像进行锐化处理, 得到其边缘二值图像.-Salt and pepper noise and Gaussian noise images with butterworth and the ideal low-pass filter for smoothing, calculating smooth before and after the PSNR (peak signal to noise ratio).
(2) 3x3 neighborhood average in smoothing and 3x3 median filter images by the salt and pepper noise and Gaussian noise smoothing, computing smooth around the PSNR (peak signal to noise ratio).
Roberts operator and Laplace operator on an image sharpening, get the edge binary image. Platform: |
Size: 20480 |
Author:Xucheng |
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Description: 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 and peak signal to noise ratio and mean square error. Platform: |
Size: 7168 |
Author:玄林江 |
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Description: 数字图像滤波的程序,包括散斑噪声的生成,中值,均值,Lee,Kuan滤波算法的实现,还计算了三个指标:峰值信噪比,等效视数,散斑指数。-Digital image filtering process, including the generation of speckle noise, median, mean, Lee, Kuan filtering algorithm, also calculated three indicators: the peak signal to noise ratio, equivalent number, speckle index. Platform: |
Size: 30720 |
Author:szy |
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Description: 该matlab代码主要用于计算图像的边缘强度,信息熵,灰度均值,标准差(均方差MSE),均方根误差,峰值信噪比(psnr),空间频率(sf),图像清晰度,互信息(mi),结构相似性(ssim),交叉熵(cross entropy),相对标准差。- calculate the uation average gradient, edge strength, information entropy, gray are Value, standard deviation (mean square error MSE), root mean square error, peak signal to noise ratio (psnr), spatial frequency (sf), image clarity, mutual information (mi), structure Similarity (ssim), cross-entropy (cross entropy), the relative standard deviation. Platform: |
Size: 9216 |
Author:李伟 |
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