The invention relates to the field of automobiles, in particular to an automobile collision alarming method based on a mobile phone. A camera of the mobile phone shoots images of obstacles located in front of and behind the automobile; according to the positions of the obstacles in the images shot by the camera of the mobile phone, the actual distances dc between the obstacles and the automobile are calculated; according to the actual distances dc between the obstacles and the automobile and the speed v of the automobile, the collision time t is calculated, the time t is compared with an alarming threshold time T, and when t reaches the threshold time T, an alarm is given out. Due to the fact that the mobile phones are widely used in life, the automobile collision alarming method based on the mobile phone is low in cost and high in popular degree.
Automobile collision alarming method based on mobile phone
2015-04-22
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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