加强人机介面，通过摄像头图像处理库 也可以作为一个开放源码的头部跟踪图书馆-Enhanced human computer interface through webcam image processing library ehci can also be used as an open source head tracking library

linux环境下，采样现在时刻，识别太阳方位，利用串口控制云台，使云台对准太阳-linux environment, the sample is now time to identify the sun position, using serial control head, so head toward the sun

Tracking the up-to-date-ness of a local buffer head with respect to the cluster for Linux.