A method and device for precise bayonet positioning and capture based on multi-target radar

Abstract

The invention discloses a bayonet precise positioning capturing method and device based on a multi-target radar, and relates to the technical field of video monitoring. The method comprises the stepsthat a plurality of lane boundary lines of a multiple lane are projected into a radar coordinate system of the radar, lanes are automatically divided after lane boundary line information in the radarcoordinate system is acquired, radar triggering positions of the lanes in the radar coordinate system are acquired by mapping video triggering lines of the lanes into the radar coordinate system, accordingly the lane information and whether a bayonet capturing unit is triggered to capture or not can be rapidly judged according to detected target information output by the radar and transformed to be the information in the radar coordinate system, and if capturing occurs, captured information is output. The method and device provided by the invention avoid the defects of traditional video triggering capturing, and achieve precise capturing. Meanwhile, the defect that a traditional radar cannot differentiate and detect the target lane information is overcome.

Description

technical field [0001] The present invention relates to the technical field of video surveillance, in particular to a method and device for snapping photos of road checkpoints Background technique [0002] With the progress of society and the improvement of people's living standards, motor vehicles are increasing rapidly every year, and the contradiction between the current situation of traffic management and the demand is further aggravated. In order to submit the traffic management level, local traffic control departments install a large number of bayonet capture systems on urban roads, highway entrances, toll stations, etc., to capture passing vehicles, and through intelligent analysis of the captured pictures, license plate recognition can be realized , Blacklist comparison and other traffic management behaviors. The intelligent analysis effect is not only related to the intelligent analysis algorithm, but also has a greater relationship with the vehicle's capture posit...

AI Technical Summary

Problems solved by technology

[0007] The present invention proposes an anti-collision early warning method for the warning area of ​​an accident scene in a straight road section to solve the technical problems in the prior art that multiple capture units need to be installed on multi-lane roads, and the video capture effect is not good.

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