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Description: 求图像峰值信噪比PSNR的代码matlab版
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Size: 3050 |
Author: 远志 |
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Description: 文中提出了一种基于离散小波变换和混沌加密的数字水印新算法,采用二维混沌变换对水印图像加密 对载体图像进行多分辨离散小波变换,应用小波系数判断载体图像的纹理复杂程度后,依据人眼的视觉系统(HVS)特性,将水印信号嵌入到图像的低频部分,对图像的不
同分解层分别选取不同的纹理阈值和水印嵌入强度,将数字水印嵌入到相同分辨层的原始图像中,提高了水印算法的鲁棒性。在检测和提取水印时,通过水印相似度(NC)和峰值信噪比( PNSR)评价水印质量,实验结果表明提出的算法可以抵抗剪裁、JPEG压缩、滤波等几何攻击,算法简单,计算复杂度小,兼顾了水印的不可见性和鲁棒性。
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Size: 440304 |
Author: 王娜 |
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Description: 求图像峰值信噪比PSNR的代码matlab版-PSNR PSNR for the image code matlab version
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Size: 3072 |
Author: 远志 |
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Description: 文中提出了一种基于离散小波变换和混沌加密的数字水印新算法,采用二维混沌变换对水印图像加密 对载体图像进行多分辨离散小波变换,应用小波系数判断载体图像的纹理复杂程度后,依据人眼的视觉系统(HVS)特性,将水印信号嵌入到图像的低频部分,对图像的不
同分解层分别选取不同的纹理阈值和水印嵌入强度,将数字水印嵌入到相同分辨层的原始图像中,提高了水印算法的鲁棒性。在检测和提取水印时,通过水印相似度(NC)和峰值信噪比( PNSR)评价水印质量,实验结果表明提出的算法可以抵抗剪裁、JPEG压缩、滤波等几何攻击,算法简单,计算复杂度小,兼顾了水印的不可见性和鲁棒性。-err
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Size: 440320 |
Author: 王娜 |
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Description: 计算一幅图像的pnsr数值 只需要把要处理的图像直接输入就可以了 简单 方便-Calculation of numerical pnsr an image just to have to deal with the direct input of images can be a simple and convenient
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Size: 3072 |
Author: cao yun |
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Description: 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
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Size: 1024 |
Author: 张龙 |
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Description: find the pnsr metric!
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Size: 2048 |
Author: KOC |
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Description: 非常好的多尺度小波压缩工具，支持各种小波，各种压缩级数，并有运行时间以及PNSR等计算-Very good tool for multi-scale wavelet compression, supports a variety of wavelet, a variety of compression levels, as well as run-time, as well as in terms of PNSR
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Size: 1024 |
Author: dodo |
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Description: 采用Opencv计算图像处理之后的评估结果:峰值信噪比等等值。-Computing the evaluated result of the image-denosing,such as PNSR etc.
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Size: 1024 |
Author: 鲍辉云 |
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Description: pnsr的计算方法，不过估计大家很多人都有了，还是传一下吧-pnsr calculated, but estimated that we have a lot of people, or what it Communication
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Size: 4096 |
Author: 留到到 |
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Description: evaluat a watermarking algorithm (PNSR, BER...)
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Size: 1024 |
Author: So9ratos |
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Description: 利用傅里叶变换实现两幅大小相同的RGB图像的水印嵌入。包含水印的大小处理，水印嵌入和提取，以及对PNSR的计算。-Fourier transform two of the same size of the RGB image watermark embedding. Contains the size of the watermark processing, the watermark embedding and extraction, as well as on the PNSR the calculation.
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Size: 5120 |
Author: 夏丽娟 |
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Description: 利用DCT变换实现两幅大小相同的图像的水印嵌入，包含水印图像的处理，水印的嵌入和提取。及PNSR的计算-DCT transform two of the same size image of the watermark embedding, contain watermark image processing, the watermark embedding and extraction. And PNSR calculation
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Size: 5120 |
Author: 夏丽娟 |
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Description: 可以计算图片在处理前后的峰值信噪比峰值信噪比-compute pnsr
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Size: 1024 |
Author: 于明鹭 |
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Description: 图像均值滤波器和中值滤波器，并求出PNSR，即信噪比-figure operator
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Size: 1024 |
Author: chengxiaolong |
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Description: 非常好的多尺度小波压缩工具，支持各种小波，各种压缩级数，并有运行时间以及PNSR等计算-Very good tool for multi-scale wavelet compression, supports a variety of wavelet, a variety of compression levels, as well as run-time, as well as in terms of PNSR
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Size: 1024 |
Author: lastye |
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Description: code of Peak Signal-to-Noise Ratio
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Size: 1024 |
Author: Hanaich |
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Description: 介绍几种流行的图片去噪算法,并提供pnsr数据等数据-introduce some hot denoise algorithm
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Size: 986112 |
Author: tang |
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Description: 带GUI的PNSR比较，比较两幅图像的相似度，使用matlab编程。-PNSR with GUI comparison, compare the similarity of two images, using matlab programming.
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Size: 1564672 |
Author: 董林佳 |
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Description: pnsr为评价图像标准，自己写的，贴近原理，数字图像处理(PNSR writes for the evaluation of image standards.)
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Size: 1024 |
Author: show-rowing
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