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A parking space detection method based on optical image

A parking space detection and optical image technology, applied in the field of image processing, can solve problems such as complex construction, high cost, and difficult maintenance, and achieve the effects of simple construction, convenient maintenance, and accurate detection results

Active Publication Date: 2018-09-21
BEIJING HUAHANG RADIO MEASUREMENT & RES INST
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  • Application Information

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Problems solved by technology

However, ultrasonic detection requires the installation of detectors above each parking space, which is costly
[0004] The above parking space detection method needs to install corresponding equipment for each parking space to complete the real-time monitoring of the parking space. The construction is complicated, and it is difficult to repair once a problem occurs.

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  • A parking space detection method based on optical image
  • A parking space detection method based on optical image
  • A parking space detection method based on optical image

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Embodiment Construction

[0042] The technical solutions of the present invention will be further explained and described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] A kind of parking space detection method based on optical image, described method comprises the steps:

[0044] 1. Collect real-time images through the camera, obtain the position of the parking space in the image based on the real-time image, and calculate the image variance of each parking space, which is used as the initial basis for judging whether the parking space is a parking vehicle.

[0045] The specific steps are:

[0046] ① Manually take the position of the parking space to be detected in the image through the rectangular frame;

[0047] ②Calculate the image variance value within the rectangular frame of each parking space;

[0048] ③ The value of the standard deviation is calculated according to the variance value, if it is greater than the threshold b1, it is determined th...

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Abstract

The invention provides a parking space detection method based on an optical image. First, according to the acquired real-time image, artificially circle the rectangular frame of the parking space to be detected, analyze the image variance value of each rectangular frame of the parking space, and use it as the initial frame of the parking space. The basis for whether to park the vehicle. For subsequent video frames, it is comprehensively determined whether there is a vehicle parked in the rectangular frame of the parking space by counting the variance value of the rectangular frame of the parking space in the frame, the change value of the variance between frames, and the foreground detection. The invention can effectively solve the problem of insufficient supervision of chaotic parking on the roadside, greatly saving manpower and material resources; the invention can also transmit parking space status information in real time, and the detection result is accurate.

Description

technical field [0001] The invention belongs to the field of image processing, and in particular relates to a parking space detection method based on an optical image, which is suitable for state detection of parked vehicles in roadside and open-air parking lots. Background technique [0002] With the development of the economy, the rapid increase of car ownership is accompanied by the difficulty of parking. According to research, currently about 30% of the traffic is generated from looking for parking spaces, causing huge waste. At the same time, the effective management of informal parking spaces on the roadside in various communities has also received widespread attention. Under the background of this demand, many kinds of parking space automatic management systems have appeared on the market, among which the automatic detection of parking spaces is the core technology that determines the system performance. [0003] The parking guidance system based on ZigBee and geomag...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/14G06K9/00
CPCG08G1/14G06V20/586
Inventor 孙长燕刘振王柯李明涛陈渊博
Owner BEIJING HUAHANG RADIO MEASUREMENT & RES INST