说明：  行车灯语是交通流中车辆之间直接进行驾驶行为信息交互的一种主要方式。 实现车辆尾灯的自动检测与灯语识别不仅具有重要的研究意义，同时还有着广泛 的应用前景。然而白天时，如何使用图像信息有效的检测出真实城区道路环境中 的车辆尾灯并识别出其基本的灯语含义仍是一个具有挑战性的问题，
(Traffic light language is a main way of direct interaction of driving behavior information between vehicles in traffic flow. The realization of automatic detection and recognition of vehicle taillights not only has important research significance, but also has a wide range of applications. Application prospects. However, in the daytime, how to use image information to effectively detect the real urban road environment It is still a challenging problem to identify the basic meaning of the vehicle taillights.)