Color accuracy: ΔE
车上的传感器各有专长。摄像头是被动感知，像人类的眼睛，看色彩和轮廓很准，但遇到强光或者黑夜容易抓瞎。毫米波雷达和激光雷达属于主动感知，自己发射电磁波去探测。毫米波雷达的波长较长，能够轻易穿透雨、雾和沙尘，测距和测速是一把好手，可惜难以描绘物体的精细边缘。
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