Photocells activate lighting during hours of darkness and can be combined with timers and motion detectors to ensure they only work when you want them to.
光电照明激活在黑夜时间，可以用定时器和运动检测器结合起来，确保他们只工作时，你希望他们。
3
Relying on the analysis of existed face detection techniques, this paper mainly describes face detection based on rectangle feature and dynamic face detection combined with motion information.