所上传的文件时为了在MATLAB中求PSNR、归一化相关系数NC的值-have PSNR, NC values In MATLAB

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

求两幅图像的峰值信噪比PSNR值和归一化相关系数NC值-Find two images PSNR PSNR values ​ ​ and the normalized correlation value NC

dct算法、SSIM计算、PSNR计算、NC计算(DCT algorithm, SSIM computing, PSNR computing, NC computing)

该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比，有一个GUI界面，包括嵌入，加噪，旋转，剪切，压缩等多种攻击，提取候，具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedd