说明：  这个程序应用于机器人视觉系统。可以即时从两个摄像头同时读取摄像。程序包括视屏抓取，光流计算以及计算结果检验。计算结果通过串口直接发送到控制计算机。
(This program is dedicated to capture real time optical flow from two cameras with intersect angle 180 or 120 degree. It includes Optical flow capturing, calculation debug etc. Program for communication through serial port is also included. It employ OpenCV 2.1 labrary and VC 2010 compiler.)