Manhole cover anomaly detection method and device and application thereof

An anomaly detection and manhole cover technology, which is applied in the fields of urban management and image recognition, can solve problems such as life and property safety hazards, manhole cover deformation, and low efficiency, and achieve the effect of concise and easy-to-understand goals and advantages

Active Publication Date: 2021-11-30
CITY CLOUD TECH HANGZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, manhole covers have often been lost, damaged, and manhole covers deformed so that they cannot be closed, which poses a huge safety hazard to the lives and properties of the public.
[0003] Existing road manhole cover abnormality inspection is mainly through manual visual judgment on the city management operation vehicle, which is not only

Method used

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  • Manhole cover anomaly detection method and device and application thereof
  • Manhole cover anomaly detection method and device and application thereof
  • Manhole cover anomaly detection method and device and application thereof

Examples

Experimental program
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Embodiment 1

[0050] This embodiment provides a method for abnormal detection of manhole covers, such as figure 1 As shown, the method includes steps S1-S4:

[0051] Step S1: Obtain a road surface video image including image depth information, an inclination angle of a shooting device when shooting the road surface video image, and an internal parameter coefficient of the shooting device.

[0052] In this step, the road surface video image including the image depth information, the inclination angle of the photographing device for capturing the road surface video image, and the internal parameter coefficient set by the photographing device are first obtained.

[0053] In some embodiments, "acquiring the road surface video image including image depth information, the inclination angle of the shooting device when shooting the road surface video image, and the internal parameter coefficient of the shooting device" includes the step of: calibrating the shooting device to obtain the shooting Th...

Embodiment 2

[0100] Based on the same idea, this embodiment also provides a manhole cover abnormality detection device, which is used to realize the manhole cover abnormality detection method described in the first embodiment. Such as Image 6 As shown, the device mainly includes the following modules:

[0101] An acquisition module, configured to acquire a road surface video image including image depth information, an inclination angle of the shooting device when shooting the road surface video image, and an internal parameter coefficient of the shooting device;

[0102] The detection module is used to obtain the manhole cover image from the road surface video image, and detect the manhole cover image to obtain the state of the manhole cover. If the state of the manhole cover belongs to an abnormal state, the manhole cover image is latticed to obtain the manhole cover image point cloud, Wherein the manhole cover image point cloud includes a plurality of image points;

[0103] The first ...

Embodiment 3

[0106] This embodiment also provides an electronic device, refer to Figure 7 , including a memory 404 and a processor 402, the memory 404 stores a computer program, and the processor 402 is configured to run the computer program to execute the steps of any one of the manhole cover abnormality detection method in the first embodiment above.

[0107] Specifically, the processor 402 may include a central processing unit (CPU), or an Application Specific Integrated Circuit (ASIC for short), or may be configured to implement one or more integrated circuits in the embodiments of the present application.

[0108]Wherein, the memory 404 may include a mass memory 404 for data or instructions. By way of example and not limitation, the memory 404 may include a hard disk drive (Hard Disk Drive, referred to as HDD), a floppy disk drive, a solid state drive (Solid State Drive, referred to as SSD), flash memory, optical disk, magneto-optical disk, magnetic tape or general serial Bus (Unive...

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PUM

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Abstract

The invention provides a manhole cover anomaly detection method. The manhole cover anomaly detection method comprises the steps of obtaining a road surface video image containing image depth information, an inclination angle of shooting equipment when the road surface video image is shot, and an internal reference coefficient of the shooting equipment; obtaining a well lid image and a well lid state from the road surface video image, and calculating the deformation depth or deformation height of each image point after the well lid image is subjected to rasterization according to the inclination angle and the internal reference coefficient of the shooting equipment and the image depth information; and based on the deformation depth or deformation height of each image point, judging whether the well lid is abnormal or not in different well lid states. According to the method, a road surface video image containing image depth information is collected, a well lid image is obtained from the road surface video image, the well lid state is detected and obtained, the deformation depth or the deformation height of each image point is calculated, and then whether the well lid is abnormal or not in different well lid states is judged according to the deformation depth or the deformation height of each image point.

Description

technical field [0001] The present application relates to the technical fields of urban management and image recognition, and in particular to a method, device and application for manhole cover abnormality detection. Background technique [0002] With the rapid development of my country's economic level, people's material consumption level continues to increase, and the corresponding number of cars is also increasing rapidly, so the problem of abnormal road manhole covers is becoming more and more prominent. Manhole covers are widely distributed in every corner of modern cities, such as common water manhole covers and sewer manhole covers, etc. Industries such as electric power and communications also basically use low-level wiring. However, in recent years, manhole covers have often been lost, damaged, or deformed so that they cannot be closed, which poses a huge safety hazard to the lives and properties of the public. [0003] Existing road manhole cover abnormality inspe...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/62G06N3/04G06K9/62G06K9/00
CPCG06T7/0004G06T7/62G06T2207/10016G06T2207/20081G06T2207/20084G06N3/045G06F18/214
Inventor 李开民章东平毛云青钟梓尹徐剑炯
Owner CITY CLOUD TECH HANGZHOU CO LTD
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