Transmission line bolts and their defects detection method based on position relationship

被引:1
|
作者
Zhao, Zhenbing [1 ,2 ,3 ]
Xiong, Jing [1 ,4 ]
Han, Yu [1 ]
Miao, Siyu [1 ]
机构
[1] North China Elect Power Univ, Sch Elect & Elect Engn, Baoding, Peoples R China
[2] North China Elect Power Univ, Engn Res Ctr Intelligent Comp Complex Energy Syst, Minist Educ, Baoding, Peoples R China
[3] North China Elect Power Univ, Hebei Key Lab Power Internet Things Technol, Baoding 071003, Peoples R China
[4] Sichuan Vocat & Tech Coll Commun, Dept Informat Engn, Chengdu, Sichuan, Peoples R China
基金
中国国家自然科学基金;
关键词
transmission line bolts; bolts defects; target detection; attention mechanism; positional relationship;
D O I
10.3389/fenrg.2023.1269087
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Introduction: To solve the problems of small proportion of bolts in aerial images of power transmission lines, small differences between classes, and difficulty in extracting refined features, this paper proposes a method for detecting power transmission line bolts and their defects based on positional relationships.Methods: Firstly, a spatial attention module is added to Faster R-CNN, using two parallel cross attention to obtain cross path features and global features respectively, and spatial feature enhancement is performed on the features output from the convolution layer. Then, starting from the spatial position relationship of bolts and their defects, using the relative geometric features of candidate regions as input, the spatial position relationship of bolts and their defects on the image is modeled. Finally, the position features and regional features are connected to obtain enhanced features. The bolt position knowledge on the connecting plate is added to the detection model to improve the detection accuracy of the model.Results and discussion: The experimental results show that the mAP value of the algorithm in this paper is increased by 6.61% compared to the Faster R-CNN detection model in aerial photography of transmission line bolts and their defect datasets, with the AP value of normal bolts increased by 1.73%, the AP value of pin losing increased by 4.45%, and the AP value of nut losing increased by 13.63%.
引用
收藏
页数:9
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