Detection device and detection method for metal corrosion of power transformation equipment

A technology of power transformation equipment and detection method, which is applied in the field of target detection, can solve the problems of low recall rate and corrosion detection accuracy, and achieve the effect of simple training method, low cost, and improved detection rate and recall rate

Active Publication Date: 2021-08-03
NANJING NARI GROUP CORP +2
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AI Technical Summary

Problems solved by technology

The automatic detection method of metal corrosion images based on deep learning is currently a feasible method, but due to the irregularity and detachability of metal corrosion shapes, the traditional single rectangular box data labeling method often has corrosion detection in the trained model The problem of low precision and recall

Method used

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  • Detection device and detection method for metal corrosion of power transformation equipment
  • Detection device and detection method for metal corrosion of power transformation equipment
  • Detection device and detection method for metal corrosion of power transformation equipment

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with specific implementation methods and accompanying drawings.

[0020] Such as figure 1 As shown, the detection method for metal corrosion of substation equipment of the present invention can be applied to any inspection robot and unmanned aerial vehicle with a camera, including the following steps:

[0021] (1) Collect samples of substation equipment with rust defects; and, collect samples of substation equipment with corrosion defects should cover all substation equipment in actual operation and the number of samples should be as large as possible;

[0022] Due to the different sizes of substation equipment and the spread of corrosion, the size of the corrosion area is irregular. At the same time, metal corrosion is also detachable, that is, it can be used as an integral part of a whole piece of corrosion, or it can be seen as individual corrosion areas. Therefore, if figure 2 As show...

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Abstract

The invention discloses a detection device and a detection method for metal corrosion of power transformation equipment. The detection device comprises a sample collection module, a layered nesting labeling module, a target detection model training module and a detection result integration module which are connected in sequence; the sample collection module is used for a power transformation equipment sample with a corrosion defect; the layered nested labeling module is used for labeling samples and dividing the samples into a training set, a verification set and a test set; the target detection model training module adopts the marked training set to train a target detection model to obtain a transformation equipment corrosion detection model; and the detection result integration module combines all intersected detection frames in the detection result. Compared with a target detection model obtained by training through a traditional labeling method, the device and method have higher detection rate and recall rate in substation equipment corrosion detection.

Description

technical field [0001] The present invention relates to the field of target detection, in particular to a detection device and a detection method for metal corrosion of substation equipment. Background technique [0002] Substation equipment is prone to metal corrosion due to long-term exposure to the outdoor environment. In order to avoid potential safety hazards and prolong the service life of equipment, it is necessary to detect and intervene as soon as possible. The automatic detection method of metal corrosion images based on deep learning is currently a feasible method, but due to the irregularity and detachability of metal corrosion shapes, the traditional single rectangular box data labeling method often has corrosion detection in the trained model The problem of low precision and recall. Contents of the invention [0003] Purpose of the invention: The purpose of the present invention is to provide a detection device and detection method for metal corrosion of sub...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/32G06N3/04G06N3/08
CPCG06N3/08G06V20/20G06V10/25G06V2201/07G06N3/045Y04S10/50
Inventor 张昭周建新陈西海杨莎黄树欣裴玉龙姜啸远王晶
Owner NANJING NARI GROUP CORP
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