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Electrical Engineering

An intelligent recognition system for insulator string defects based on dimension correction and optimized faster R-CNN

  • 09-09-2020
  • Original Paper
Published in:
Authors
Tao Lin
Xiaowei Liu
Published in
Electrical Engineering | Issue 1/2021

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Abstract

In this paper, an intelligent recognition system for insulator based on dimension correction and optimized faster region with convolutional neural network (R-CNN) is proposed. In the process of insulator pictures shooting, a laser radar is used to calculate the UAV correction vector. The position of the UAV is adjusted to ensure the consistency of the spatial dimensions of the pictures taken in different time dimensions. Based on the almost invariant spatial dimension, the faster R-CNN image recognition algorithm is optimized. When the target detection frame is generated, marked reference pictures are added to narrow the search range, improve the target detection frame generation speed, and reduce the number of pictures during training. Experiments and comparison analysis are included. They verify the optimized faster R-CNN image recognition algorithm requires less pictures and recognition time, and the recognition accuracy increased from 85.6 to 97.3%.

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Title
An intelligent recognition system for insulator string defects based on dimension correction and optimized faster R-CNN
Authors
Tao Lin
Xiaowei Liu
Publication date
09-09-2020
Publisher
Springer Berlin Heidelberg
Published in
Electrical Engineering / Issue 1/2021
Print ISSN: 0948-7921
Electronic ISSN: 1432-0487
DOI
https://doi.org/10.1007/s00202-020-01099-z
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