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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
image_processing_quantize.rar
- 图像处理功能：求the MSE/SNR/PSNR and the quantized image, the MSE/SNR/PSNR and the quantized image
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!
psnr
- 计算噪声图像的信噪比，matlab算法程序-Calculate the noise image signal to noise ratio, matlab algorithm program
psnr
- 计算两幅图像的psnr值,非常精确完整，绝对好用-Calculation of two images of the PSNR values, integrity and very precise, the absolute ease of use
psnr_noise
- 图像的小波去噪,给灰度图像加上一定量的高斯噪声,再采用小波变换的方法去噪,计算去噪前后图像的PSNR。-Wavelet Denoising images to grayscale images coupled with a certain amount of Gaussian noise, and then using the method of wavelet transform denoising calculated before and after denoising images PS
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
test3
- 编程实现基于8×8子块的DCT图像变换，基于JPEG量化矩阵的量化与反量化，基于8×8子块DCT的图像重建；以一幅512×512、8比特/象素的图像为实验对象，计算重建后的PSNR。-Programming based on 8 × 8 sub-block of the DCT image transform, quantization matrix based on the JPEG quantization and anti-quantitative, based on the 8 × 8
contourlet-CP-RLC
- 基于contourlet的图像压缩编码，其中包括计算PSNR值，压缩比和运行时间-Contourlet-based image compression coding, including the calculation of PSNR values, compression ratio and run-time
test-psnr
- 直接测试图像PSNR的程序，只需要输入图像即可-a program aim to test the Psnr of processed image directly
PSNR
- 本程序功能是计算2幅彩色图像的PSNR,以此来评价图像处理的效果-This program features the calculation of two color images of the PSNR, in order to assess the effect of image processing
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.
PDE
- 偏微分方程图像复原代码，其中有频域迭代盲解卷积H1模型，TV去噪模型，自己编的自适应去噪模型，以及改进的自适应去噪模型，令附卫星图片，PSNR代码-Image restoration code of partial differential equations, including iterative frequency-domain blind deconvolution H1 model, TV denoising model, made themselves adaptive denois
evaluation
- 各种图像融合性能评价参数，包括D,MSE,PSNR,SF,RMSE,NCD,REL,MI,MAE,DREL,EOG,CREF等-Image fusion performance evaluation of various parameters
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
PSNR-NC
- 对图像进行处理后常需要计算图像的PSNR值和NC值-calculate the PSNR and NC of pictures
A-Watermarking-Algorithm(MATLAB)--
- 盲水印提取时不需要参考原始载体图像,在信息隐藏、版权保护等方面具有更广泛的应用前景。提出的盲水印算法在分块离散余弦变换(DCT)和离散小波变换(DWT)的基础上,利用关系双方DCT系数和DWT系数在受到攻击时具有相同变化趋势的特点,采用关系嵌入和量化嵌入的自适应选择嵌入策略,较大幅度地提高了盲水印提取的鲁棒性。同时在量化嵌入中采用抖动调制,实现了水印透明性和鲁棒性调节的便捷性。大量仿真实验结果表明该算法对噪声干扰、低通滤波、JPEG压缩、对比度增强等攻击有很好的鲁棒性和透明性。关键词 数字水印盲
PSNR
- This is a MATLAB code used to calculate the PSNR of a function.
图像清晰度评价指标Matlab
- 图像清晰度评价函数说明 1、熵: 表示图像所包含的平均信息量的多少,嫡值越大则所含信息量越多。 文件名：entropy.m 结果：EN 2、交叉嫡：反映两幅图像的差异,交叉嫡越小,则融合图像和原图像的差别越小。 文件名：cross_entropy.m 结果：平均交叉嫡MCE，均方根交叉嫡RCE 3、峰值信噪比: PSNR越高,说明融合效果与质量越好。 文件名：psnr.m 结果：PSNR 4、Qabf: 评价边缘或梯度质量，越大边缘越明显 文件名：Qab