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Automatic method based on image analysis for pilling evaluation in fabrics

AuthorsAbril, Héctor C.; Millán, M. S.; Torres, Y.; Navarro, Rafael
Issue Date1998
PublisherSociety of Photo-Optical Instrumentation Engineers
CitationOptical Engineering 37: 2937-2947 (1998)
AbstractA fully automatic method for pilling evaluation in wear-and-tear fabrics is developed from the image analysis of a set of standard photographs (Zweigle KG-741 Reutlingen). The method involves operations in both the spatial and frequency domains to segment pills from the textured background of the web. It calculates the total area of pilling in the sample image and assigns a degree of pilling according to the standard. Two mathematical descriptions are analyzed according to the underlying rule established by the standard images, using the visual estimation of the area of pilling performed by a group of observers. A logarithmic (in base two) approach, which is consistent with human visual perception laws and facilitates an optimization of the method, is eventually adopted. © 1998 Society of Photo-Optical Instrumentation Engineers.
Identifiersdoi: 10.1117/1.601881
issn: 0091-3286
Appears in Collections:(CFMAC-IO) Artículos
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