Automobile identity recognition method and device based on ultrahigh frequency radio frequency and video image dual-recognition matching

Abstract

The invention relates to an automobile identity recognition method and device based on ultrahigh frequency radio frequency and video image dual-recognition matching. The method includes the steps of unceasingly matching automobile identity information with vehicle track records captured and recognized by a video camera shooting device within the time period from t[0]-delta t[02] to t[0]+delta t[01] on the basis of the vehicle identity information recognized by an automobile electronic identification RFID reader at a certain moment t[0], outputting the vehicle identity information and corresponding video image information and removing the vehicle track records which are successfully matched if the vehicle identity information is successfully matched with the record, read at a certain moment t[1], of a video image, and outputting the vehicle identity information and video image information not matched within the time duration through the device after waiting for alpha seconds if matching does not succeed. By means of the method and the device, the electronic identity and vehicle types of vehicles running on roads can be accurately and rapidly recognized, and meanwhile corresponding video image evidence obtaining is achieved.

Description

technical field [0001] The invention relates to a method and device for realizing identification and matching of automobiles based on ultra-high frequency radio frequency technology and video image technology, and belongs to the technical field of intelligent transportation. Background technique [0002] In the past ten years, in order to promote the construction of a safe city and effectively control urban roads and highway traffic, public security organs at all levels have widely used electronic police equipment and highway checkpoint systems based on video recognition technology to investigate and deal with running red lights, violating parking, and random traffic at urban intersections. It has played an active role in serious traffic violations such as changing lanes and expressway speeding and not wearing seat belts. However, the public's awareness of civilized driving has not yet formed, and some car owners use fake license plates or cover their number plates in order ...

AI Technical Summary

Problems solved by technology

However, the public's awareness of civilized driving has not yet formed, and some car owners use fake license plates or cover their number plates in order to avoid punishment.

Due to the influence of weather and lighting conditions, the current highway bayonet system and electronic police based on video image technology have a license plate recognition accuracy rate of less than 70%, and they need to be searched through the local motor vehicle registration database before they can be used. Afterwards, the authenticity of the vehicle identity is confirmed and the fake license plates are screened out. Therefore, it is impossible to effectively identify the fake license plates on the spot.

However, some domestic invention patents do not have practical value due to factors such as low real-time performance and poor data comparison efficiency.

For example, the invention patent of application number 201110319074.8 "a method and device for identification of decked vehicles" uses the method of vehicle tree for identification, which needs to be searched in a distributed massive database, which is inefficient and cannot identify cloned vehicles

For example, the application number 201310483664.3 "a vehicle identification method based on intelligent transportation" uses the vehicle number plate and the color of the license plate as an index to statistically analyze the vehicles with high traffic frequency at each road checkpoint, but in fact it cannot be found in real time Fake Licensed Vehicles

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