This code is create integral image from gray scale image (gray scale only). It used openCV function build in visual C++ 32 application console.

用面积累加的方法求解积分函数的结果，可以自由的输入积分上下限，以及分割段数-The results accumulated by the area method for solving integral function, you can enter upper and lower limits of freedom points, and the number of divided segments