Method and device for judging parking space states on basis of geomagnetic detection for multiple parking spaces

Abstract

The invention discloses a method and a device for judging parking space states on the basis of geomagnetic detection for multiple parking spaces. The method includes steps of acquiring an average sampled value of one or a plurality of parking spaces adjacent to a certain parking space when an average sampled value of one or a plurality of sampled values of the certain parking space is larger than an average sampled value threshold; comparing the average sampled value of the certain parking space to the average sampled value of the adjacent parking spaces to determine whether a parking space state of the certain parking space is changed or not. The sampled values of the certain parking space are acquired in a judgment period. The method and the device have the advantages that geomagnetic data of the parking spaces adjacent to the certain parking space are changed, and change of the geomagnetic data of the parking spaces adjacent to the certain parking space is compared to change of geomagnetic data of the certain parking space, so that whether the parking space state of the certain parking space is changed or not can be determined, the misjudgment rate of the change of the parking space state of the certain parking space can be effectively reduced owing to the mode, and the accuracy of judgment on the parking space state can be improved.

Description

technical field [0001] The invention relates to the field of parking space detection, in particular to a parking space state judgment method and device based on multi-parking space geomagnetic detection. Background technique [0002] With the continuous development of social economy and industrial adjustment, the number and use of motor vehicles are becoming more and more frequent, and the demand for parking lots is increasing day by day. The "difficulty of parking" has brought great inconvenience to people's lives. Relevant survey data show that, in order to search for vacant parking spaces, the repeated parade of drivers in the parking lot has accounted for 12%-15% of the road traffic flow, that is to say, drivers have spent a lot of time looking for parking spaces. time and energy, and take up a lot of road traffic resources. [0003] In the prior art, most parking lots detect the parking space state based on video and image processing technology, wherein the parking spa...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the existing method of using the geomagnetism of the parking space to detect the state of the parking space in the prior art, due to the problem of the detection threshold setting, the misjudgment of the state of the parking space caused by the change of the geomagnetic data of the parking space caused by the adjacent parking space, or the leakage of the state of the parking space is caused. The main purpose of the present invention is to provide a parking space state judgment method and device based on multi-parking space geomagnetic detection, to solve the problem of improving the accuracy of the judgment of the parking space state, avoiding the missed judgment of the parking space state and the interference of adjacent parking space state changes The problem of misjudgment of the status of the parking space

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