中文说明： 自写曲率计算函数 ,脉冲响应的相关分析算法并检验，实现用SDRAM运行nios，同时用SRAM保存摄像头数据，通过matlab代码，计算互信息非常有用的一组程序,仿真效率很高的。
English Description：
Write curvature calculation function, the impulse response of correlation analysis algorithm and test, using SDRAM running Nios, while SRAM save camera data through the MATLAB code, a set of procedures for calculating mutual information is useful, efficiency is very high.