以智能移动设备为应用平台,利用触摸屏幕作为人机交互界面,结合相关算法,设计便携式交通信号灯识别系统,实现交通信号灯颜色的准确识别。实验结果表明,所设计的系统对道路的交通信号灯颜色,综合识别率达到94%以上,满足视觉障碍人员出行应用需求。
A portable system for traffic is designed,which is installed on the smart mobile device for helping people with visual impairment to be out. The color of traffic lights can be recognized accurately by using touch screen as human-computer interaction media and employing corresponding algorithm. Experimental results show that the designed system can recognize traffic lights with more than94 percent comprehensive recognition rate,satisfying the needs of application.