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  4. Detection of Fiber Defects Using Keypoints and Deep Learning
 
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2021
Journal Article
Title

Detection of Fiber Defects Using Keypoints and Deep Learning

Abstract
Due to the deforming and dynamically changing textile fibers, the quality assurance of cleaned industrial textiles is still a mostly manual task. Usually, textiles need to be spread flat, in order to detect defects using computer vision inspection methods. Already known methods for detecting defects on such inhomogeneous, voluminous surfaces use mainly supervised methods based on deep neural networks and require lots of labeled training data. In contrast, we present a novel unsupervised method, based on SURF keypoints, that does not require any training data. We propose using their location, number and orientation in order to group them into geographically close clusters. Keypoint clusters also indicate the exact position of the defect at the same time. We furthermore compared our approach to supervised methods using deep learning. The presented processing pipeline shows how normalization and classification methods need to be combined, in order to reliably detect fiber defects such as cuts and holes. We evaluate the performance of our system in real-world settings with images of piles of textiles, taken in stereo vision. Our results show that our novel unsupervised classification method using keypoint clustering achieves comparable results to other supervised methods.
Author(s)
Siegmund, Dirk
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Fu, Biying  
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
José-García, Adán
Center for Research and Advanced Studies of the National Polytechnic Institute, Tamaulipas
Salahuddin, Ahmad Masood
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Kuijper, Arjan  orcid-logo
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Journal
International journal of pattern recognition and artificial intelligence  
Project(s)
ATHENE
Funder
Bundesministerium für Bildung und Forschung BMBF (Deutschland)  
DOI
10.1142/S0218001421500166
Language
English
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Keyword(s)
  • computer vision

  • deep learning

  • ATHENE

  • CRISP

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