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Proceedings Paper

Quick roughness evaluation of cut edges using a convolutional neural network
Author(s): J. Stahl; C. Jauch
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Paper Abstract

In sheet metal production the quality of a cut is determined by the quality of the cut edge and is of crucial importance. One parameter affecting the quality of the cut edge surface is its roughness. In order to determine the roughness, the depth information is required. The common methods for acquiring depth information are very time consuming and therefore not suitable for a quick roughness evaluation. We present a method for a quick roughness evaluation by means of 2D image processing. It is shown that, given a proper dataset, a convolutional neural network can be trained to identify image features that correlate highly with the roughness of the edge surface and learn how to weight these features correctly. This makes the neural network capable of providing a quick and accurate statement about the roughness of the edge surface based on an image.

Paper Details

Date Published: 16 July 2019
PDF: 7 pages
Proc. SPIE 11172, Fourteenth International Conference on Quality Control by Artificial Vision, 111720P (16 July 2019); doi: 10.1117/12.2519440
Show Author Affiliations
J. Stahl, Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA (Germany)
C. Jauch, Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA (Germany)


Published in SPIE Proceedings Vol. 11172:
Fourteenth International Conference on Quality Control by Artificial Vision
Christophe Cudel; Stéphane Bazeille; Nicolas Verrier, Editor(s)

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