OpenCV库根据提供的数组画数据图，使用这个库可以在屏幕上，或者图像上画曲线图。可以在测试一个算法时，非常方便的观察到数字数组。-Showing a simple graph of an array.This library is just a collection of functions that can be used to simply plot a graph of an array in its own window, or to overlay graphs into exi