matlab之红绿灯的监测以及亮灭

代码说明：

  将亮的红绿灯圈出来_并在圈内显示红绿灯颜色 图像找到红绿灯位置_判断红绿灯哪个亮 指定位置_最大灰度值_判断亮灭(Circle the bright traffic lights _ and display the traffic lights in the circle Image find traffic light position _ judge which light is green Specify position _ maximum gray value _ judgment light off)