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Journal of Electronic Imaging

Automatic grading of appearance retention of carpets using intensity and range images
Author(s): Sergio Orjuela Vargas; Ewout Vansteenkiste; Filip Rooms; Wilfried Philips; Benhur Ortiz-Jaramillo; Simon De Meulemeester; Lieva Van Langenhove; Robain De Keyser
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Paper Abstract

Textiles are mainly used for decoration and protection. In both cases, their original appearance and its retention are important factors for customers. Therefore, evaluation of appearance parameters are critical for quality assurance purposes, during and after manufacturing, to determine the lifetime and/or beauty of textile products. In particular, appearance retention of textile products is commonly certified with grades, which are currently assigned by human experts. However, manufacturers would prefer a more objective system. We present an objective system for grading appearance retention, particularly, for textile floor coverings. Changes in appearance are quantified by using linear regression models on texture features extracted from intensity and range images. Range images are obtained by our own laser scanner, reconstructing the carpet surface using two methods that have been previously presented. We extract texture features using a variant of the local binary pattern technique based on detecting those patterns whose frequencies are related to the appearance retention grades. We test models for eight types of carpets. Results show that the proposed approach describes the degree of wear with a precision within the range allowed to human inspectors by international standards. The methodology followed in this experiment has been designed to be general for evaluating global deviation of texture in other types of textiles, as well as other surface

Paper Details

Date Published: 14 May 2012
PDF: 11 pages
J. Electron. Imaging. 21(2) 021106 doi: 10.1117/1.JEI.21.2.021106
Published in: Journal of Electronic Imaging Volume 21, Issue 2
Show Author Affiliations
Sergio Orjuela Vargas, Univ. Gent (Belgium)
Ewout Vansteenkiste, Univ. Gent (Belgium)
Filip Rooms, Univ. Gent (Belgium)
Wilfried Philips, Univ. Gent (Belgium)
Benhur Ortiz-Jaramillo, Univ. Gent (Belgium)
Simon De Meulemeester, Univ. Gent (Belgium)
Lieva Van Langenhove, Univ. Gent (Belgium)
Robain De Keyser, Univ. Gent (Belgium)

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