There are many cases when we require to write a program to find autocorrelation between two sequences. This is mostly required when you are teaching some one how to write such a program. so here is a program to find the correlation between two sequ

像素相关性计算函数，该指标对于衡量一个加密后的图像安全性能-Pixel correlation calculation function, the safety performance indicators for measuring an image after encryption