Image Segmentation Based Determination of Elastane Core Yarn Diameter

• Autorzy: Hladnik A. , Pavko-Čuden A. , Farajikhah S.

Identyfikatory

DOI

10.5604/12303666.1191424

Warianty tytułu

PL

Określenie średnic elastomerowych przędz rdzeniowych poprzez segmentacyjną analizę obrazu

• Języki publikacji: EN

Abstrakty

EN

Yarn diameter is one of the key knitted fabric parameters, whose accurate determination, however, continues to be a difficult task. The goal of the study presented was to calculate the diameter of dry and wet relaxed yarns with and without incorporated elastane using imageprocessing and -analysis tools implemented in MATLAB. Compared to the images of wet relaxed samples, a much more sophisticated segmentation approach had to be implemented for dry relaxed yarn images due to their weaker yarn-background contrast. The values calculated were compared with those obtained with the conventional yarn thickness determination method developed by Sadikov. Linear correlation between the two techniques was found to be substantial – coefficients of determination for the yarn diameters of the wet and dry relaxed samples were 0.87 and 0.72, respectively. Unlike Sadikov’s method, our newly developed technique calculates yarn core diameter without hairiness.

PL

Średnica przędz jest jednym z podstawowych parametrów dzianin, którego dokładna ocena jest jednak bardzo trudna. Celem przedstawionych badań było obliczenie średnicy suchych i mokrych przędz relaksowanych zawierających i niezawierających włókna elastomerowe. Zastosowano analizę obrazów i narzędzia programu MATLAB. W porównaniu do przędz wilgotnych znacznie trudniejsze było określenie średnic relaksowanych przędz suchych ze względu na znacznie słabszy kontrast w stosunku do tła. Wartości obliczone były porównywane z wartościami uzyskanymi za pomocą konwencjonalnych metod określenia grubości przędz opracowanymi przez Sadikova. Stwierdzono, że korelacje liniowe pomiędzy obydwoma technikami pomiarowymi były satysfakcjonujące. Uzyskano współczynniki korelacji 0.87 dla przędz mokrych i 0.72 dla przędz suchych. W przeciwieństwie do metody Sadikova nasza nowoopracowana technika pozwala na obliczenie średnicy rdzenia przędzy bez włochatości.

Słowa kluczowe

EN

elastane core yarn; image analysis; image segmentation; yarn diameter

PL

rdzeń przędzy; analiza obrazu; segmentacja obrazu; średnica przędzy

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2016
• Tom: Vol. 24, no. 2 (116)
• Strony: 29--36
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Hladnik A.

• Department of Textiles, Graphic Arts and Design, Faculty of Natural Science and Engineering, University of Ljubljana, Ljubljana, Slovenia

autor

Pavko-Čuden A.

• Department of Textiles, Graphic Arts and Design, Faculty of Natural Science and Engineering, University of Ljubljana, Ljubljana, Slovenia

autor

Farajikhah S.

• Department of Textile Engineering, Amirkabir University of Technology, Tehran, Iran
• ARC Centre of Excellence in Electromaterials Science (ACES), University of Wollongong Australia, Wollongong NSW, Australia

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.