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Deep anomaly detection for endoscopic inspection of cast iron parts
Citation Link: https://doi.org/10.15480/882.4639
Publikationstyp
Conference Paper
Date Issued
2022-06
Sprache
English
Institut
TORE-DOI
Start Page
91
End Page
98
Citation
31st International Conference on Flexible Automation and Intelligent Manufacturing (FAIM 2022)
Contribution to Conference
Publisher DOI
Scopus ID
Publisher
Springer
Peer Reviewed
true
Detecting anomalies in image data plays a key role in automated industrial quality control. For this purpose, machine learning methods have proven useful for image processing tasks. However, supervised machine learning methods are highly dependent on the data with which they have been trained. In industrial environments data of defective samples are rare. In addition, the available data are often biased towards specific types, shapes, sizes, and locations of defects. On the contrary, one-class classification (OCC) methods can solely be trained with normal data which are usually easy to obtain in large quantities. In this work we evaluate the applicability of advanced OCC methods for an industrial inspection task. Convolutional Autoencoders and Generative Adversarial Networks are applied and compared with Convolutional Neural Networks. As an industrial use case we investigate the endoscopic inspection of cast iron parts. For the use case a dataset was created. Results show that both GAN and autoencoder-based OCC methods are suitable for detecting defective images in our industrial use case and perform on par with supervised learning methods when few data are available.
DDC Class
004: Informatik
600: Technik
620: Ingenieurwissenschaften
Publication version
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2022_Schmedemann_Deep Anomaly Detection for Endoscopic Inspection of Cast Iron Parts.pdf
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