An ALARM blares in the cockpit mid flight, warning the pilot of an imminent collision.
飞行中的驾驶舱突然响起了报警声，警告飞行员要发生碰撞了。
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This paper can solve the key difficulty of lane detection, car detection and distance measurement based on central perspective principle and image process in order to alarm rear-end collision.
At the same time, girder transport vehicle also has such intelligent systems as automatic assistance driving, the remote control, positioning, anti-collision, fault alarm and fault diagnosis etc.