Short Circuit Recognition for Metal Electrorefining Using an Improved Faster R-CNN With Synthetic Infrared Images

This paper is concerned with the problem of short circuit detection in infrared image for metal electrorefining with an improved Faster Region-based Convolutional Neural Network (Faster R-CNN). To address the problem of insufficient label data, a framework for automatically generating labeled infrar...

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Main Authors: Xin Li, Yonggang Li, Renchao Wu, Can Zhou, Hongqiu Zhu
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-11-01
Series:Frontiers in Neurorobotics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnbot.2021.751037/full
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author Xin Li
Yonggang Li
Renchao Wu
Can Zhou
Hongqiu Zhu
author_facet Xin Li
Yonggang Li
Renchao Wu
Can Zhou
Hongqiu Zhu
author_sort Xin Li
collection DOAJ
description This paper is concerned with the problem of short circuit detection in infrared image for metal electrorefining with an improved Faster Region-based Convolutional Neural Network (Faster R-CNN). To address the problem of insufficient label data, a framework for automatically generating labeled infrared images is proposed. After discussing factors that affect sample diversity, background, object shape, and gray scale distribution are established as three key variables for synthesis. Raw infrared images without fault are used as backgrounds. By simulating the other two key variables on the background, different classes of objects are synthesized. To improve the detection rate of small scale targets, an attention module is introduced in the network to fuse the semantic segment results of U-Net and the synthetic dataset. In this way, the Faster R-CNN can obtain rich representation ability about small scale object on the infrared images. Strategies of parameter tuning and transfer learning are also applied to improve the detection precision. The detection system trains on only synthetic dataset and tests on actual images. Extensive experiments on different infrared datasets demonstrate the effectiveness of the synthetic methods. The synthetically trained network obtains a mAP of 0.826, and the recall rate of small latent short circuit is superior to that of Faster R-CNN and U-Net, effectively avoiding short-circuit missed detection.
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spelling doaj.art-95510d06f88a4b78b72ff842179557a02022-12-21T23:10:18ZengFrontiers Media S.A.Frontiers in Neurorobotics1662-52182021-11-011510.3389/fnbot.2021.751037751037Short Circuit Recognition for Metal Electrorefining Using an Improved Faster R-CNN With Synthetic Infrared ImagesXin LiYonggang LiRenchao WuCan ZhouHongqiu ZhuThis paper is concerned with the problem of short circuit detection in infrared image for metal electrorefining with an improved Faster Region-based Convolutional Neural Network (Faster R-CNN). To address the problem of insufficient label data, a framework for automatically generating labeled infrared images is proposed. After discussing factors that affect sample diversity, background, object shape, and gray scale distribution are established as three key variables for synthesis. Raw infrared images without fault are used as backgrounds. By simulating the other two key variables on the background, different classes of objects are synthesized. To improve the detection rate of small scale targets, an attention module is introduced in the network to fuse the semantic segment results of U-Net and the synthetic dataset. In this way, the Faster R-CNN can obtain rich representation ability about small scale object on the infrared images. Strategies of parameter tuning and transfer learning are also applied to improve the detection precision. The detection system trains on only synthetic dataset and tests on actual images. Extensive experiments on different infrared datasets demonstrate the effectiveness of the synthetic methods. The synthetically trained network obtains a mAP of 0.826, and the recall rate of small latent short circuit is superior to that of Faster R-CNN and U-Net, effectively avoiding short-circuit missed detection.https://www.frontiersin.org/articles/10.3389/fnbot.2021.751037/fullsample synthesisshort circuit detectioninfrared imagemetal electrorefiningattention-based Faster R-CNN
spellingShingle Xin Li
Yonggang Li
Renchao Wu
Can Zhou
Hongqiu Zhu
Short Circuit Recognition for Metal Electrorefining Using an Improved Faster R-CNN With Synthetic Infrared Images
Frontiers in Neurorobotics
sample synthesis
short circuit detection
infrared image
metal electrorefining
attention-based Faster R-CNN
title Short Circuit Recognition for Metal Electrorefining Using an Improved Faster R-CNN With Synthetic Infrared Images
title_full Short Circuit Recognition for Metal Electrorefining Using an Improved Faster R-CNN With Synthetic Infrared Images
title_fullStr Short Circuit Recognition for Metal Electrorefining Using an Improved Faster R-CNN With Synthetic Infrared Images
title_full_unstemmed Short Circuit Recognition for Metal Electrorefining Using an Improved Faster R-CNN With Synthetic Infrared Images
title_short Short Circuit Recognition for Metal Electrorefining Using an Improved Faster R-CNN With Synthetic Infrared Images
title_sort short circuit recognition for metal electrorefining using an improved faster r cnn with synthetic infrared images
topic sample synthesis
short circuit detection
infrared image
metal electrorefining
attention-based Faster R-CNN
url https://www.frontiersin.org/articles/10.3389/fnbot.2021.751037/full
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AT yonggangli shortcircuitrecognitionformetalelectrorefiningusinganimprovedfasterrcnnwithsyntheticinfraredimages
AT renchaowu shortcircuitrecognitionformetalelectrorefiningusinganimprovedfasterrcnnwithsyntheticinfraredimages
AT canzhou shortcircuitrecognitionformetalelectrorefiningusinganimprovedfasterrcnnwithsyntheticinfraredimages
AT hongqiuzhu shortcircuitrecognitionformetalelectrorefiningusinganimprovedfasterrcnnwithsyntheticinfraredimages