Computer Science ›› 2022, Vol. 49 ›› Issue (6A): 412-417.doi: 10.11896/jsjkx.210600089

• Image Processing & Multimedia Technology • Previous Articles     Next Articles

High Performance Insulators Location Scheme Based on YOLOv4 with GDIoU Loss Function

MA Bin, FU Yong-kang, WANG Chun-peng, LI Jian, WANG Yu-li   

  1. Qilu University of Technology(Shandong Academy of Sciences),Jinan 253000,China
    Shandong Provincial Key Laboratory of Computer Networks,Jinan 253000,China
  • Online:2022-06-10 Published:2022-06-08
  • About author:MA Bin,born in 1973,Ph.D,professor,is a member of China Computer Federation.His main research interests include information hiding and multimedia security and digital image processing.
  • Supported by:
    National Natural Science Foundation of China(61802212,61872203),Shandong Provincial Natural Science Foundation(ZR2019BF017,ZR2020MF054),Major Scientific and Technological Innovation Projects of Shandong Province(2019JZZY010127,2019JZZY010132,2019JZZY010201),Plan of Youth Innovation Team Development of Colleges and Universities in Shandong Province(SD2019-161) and Jinan City “20 universities” Funding Projects Introducing Innovation Team Program(2019GXRC031).

Abstract: In this paper,a Gaussian Distance Intersection over Union(GDIoU) loss function based YOLOv4 deep learning method is proposed to solve the problem of low speed and low accuracy insulator positioning in the process of power line health inspection.In the scheme,a GDIoU loss function is designed to accelerate the convergence speed of the YOLOv4 deep learning network,and the two-dimensional Gaussian model is used to improve the convergence ability of the network,through which the perfor-mance of the YOLOv4 network is enhanced and the insulator's positioning accuracy is accordingly improved.At the same time,an adaptive tilt correction algorithm is proposed to improve the positioning accuracy of the insulators in different spatial angle states by rotating the image with only one insulator.The experimental results show that the average precision is increased by 7.37% compared with the naive YOLOv4 scheme.And the GDIoU based YOLOv4 deep learning network combined with the adaptive tile correction method accelerates the insulator positioning speed by three times compared with the other insulator positioning me-thods at the same level of accuracy.The proposed method makes a good balance between accuracy and speed,and its performance can meet the requirement of online insulator positioning adequately.

Key words: Electric power check, GDIoU Loss, Insulator, Objective detection, Rotation correction

CLC Number: 

  • TP389.1
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