Automatic detection and classification of manufacturing defects in metal boxes using deep neural networks

Oumayma Essid, Hamid Laga and Chafik Samir

PLOS ONE, 2018, vol. 13, issue 11, 1-17

Abstract: This paper develops a new machine vision framework for efficient detection and classification of manufacturing defects in metal boxes. Previous techniques, which are based on either visual inspection or on hand-crafted features, are both inaccurate and time consuming. In this paper, we show that by using autoencoder deep neural network (DNN) architecture, we are able to not only classify manufacturing defects, but also localize them with high accuracy. Compared to traditional techniques, DNNs are able to learn, in a supervised manner, the visual features that achieve the best performance. Our experiments on a database of real images demonstrate that our approach overcomes the state-of-the-art while remaining computationally competitive.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0203192

DOI: 10.1371/journal.pone.0203192

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