The invention discloses an intersection vehicle queuing length detection method based on an aerial video. The intersection vehicle queuing length detection method comprises the following steps: step 1, registering the aerial video; step 2, setting a vehicle queuing length detection region at an intersection entrance path; step 3, detecting a red light state; step 4, when a lane is at the red light state, detecting moving vehicles in the pre-set vehicle queuing length detection region by using a three-frame difference method; step 5, determining a vehicle queuing region; step 6, detecting the quantity of static vehicles of the vehicle queuing region and calculating an actual vehicle queuing length by using an actual distance Scale represented by a calibrated image unit pixel; and step 7, repeating the steps to realize continuous vehicle queuing length detection. According to the intersection vehicle queuing length detection method, the vehicle queuing length detection is carried out by the aerial video and mutual shielding and size changes of the vehicles in the monitored video are overcome, so that an intersection vehicle queuing condition is directly represented and the detection precision is extremely improved.
Intersection vehicle queuing length detection method based on aerial video
2016-02-10
Patent
Elektronische Ressource
Englisch
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