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Watermark_4
- 信息隐藏与水印技术系列实验之四：DWT变换域不可见图像水印算法（开发工具：vc2005）： 实现在一个256色灰度载体图像的DWT变换域低频LL系数中多次重复嵌入一个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）可以对含水印图像中的水印信息进行提取，提取时需要原始图像。 （3）剪切
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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
2.1CalculatePSNR
- 计算两序列间的PSNR值，在H.264编码测试中，比较编码效率时，绘制RD曲线的必要工具之一。-used for calculating PSNR of two sequency,which is important in comparing two encoding software
PSNR
- 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
DWT
- 代码利用DWT算法实现了电子水印技术。 其中包括了水印的插入，提取，以及4种不同的攻击。最后，测量了psnr-This algorithm describe digital watermark algorithm by using DWT. It implements embedding, extraction, and 4 different attacks. in the end, it measures psnr
bi-psnr_bin
- PSNR MATHLAB between 2 images
image_processing_quantize
- 图像处理功能：求the MSE/SNR/PSNR and the quantized image- the MSE/SNR/PSNR and the quantized image
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 q
PSNR_Metric
- This is a file for calculating the weighted PSNR in matlab
PSNR_Metric
- This a matlab implementation for calculating PSNR-This is a matlab implementation for calculating PSNR
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-qua
PSNR
- To find the PSNR (peak signal-to-noise ratio) between two intensity images A and B.
RMSE_PSNR_Calculator
- 比较YUV文件质量 RSME PSNR质量报告- RMSE and PSNR Calculator Compares two sequences of raw YUV4:2:0 video fr a mes and calculates the RMSE and PSNR values from them. The output format is CSV for easy use in spreadsheet a
yuzhiwavefilter
- 利用MATLAB实现峰值信噪比的公式，很好用。精确的验证过 -PSNR formula
ImageCompressed
- 利用霍夫曼编码算法对数字图像进行压缩及解压缩处理，解压出来的图像与源图像几乎完全一致，峰值信噪比为无穷大-The use of Huffman coding algorithm for digital image compression and decompression processing, extracting images from the source image is almost exactly the same infi
psnr
- calculate psnr image
PSNR
- 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!
PSNRCalculator
- video psnr calculator
X264+overview
- This document may be starting point to understand x264 and this documents good flaw will make you take nice deep in to x264 development. And come to x264 part, the x264 showed better quality than several commercial H.264