About: Monitoring chenille yarn defects using image processing with control charts

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://trj.sagepub.com/content/81/13.toc
Description	In this paper, a control chart is introduced for monitoring various defect types occurring on chenille yarns. To implement the control chart, a grey level image of chenille yarn is captured as an image matrix. Image preprocessing is applied and this involves thresholding to a binary image and a morphological opening operation for removing small objects from the image. The height of the pile yarn, measured from the processed images, is selected as the monitored quality characteristic. Since the monitored quality characteristic was highly autocorrelated, a first-order autoregressive AR(1) model was found to be appropriate for modelling the autocorrelation structure. Due to estimation of the AR(1) process parameters, a modified exponentially weighted moving average (EWMA) control chart for residuals is implemented as a tool for monitoring and detecting defects. It is shown that the modified EWMA control chart can be used successfully for monitoring different types of chenille yarn defects. In this paper, a control chart is introduced for monitoring various defect types occurring on chenille yarns. To implement the control chart, a grey level image of chenille yarn is captured as an image matrix. Image preprocessing is applied and this involves thresholding to a binary image and a morphological opening operation for removing small objects from the image. The height of the pile yarn, measured from the processed images, is selected as the monitored quality characteristic. Since the monitored quality characteristic was highly autocorrelated, a first-order autoregressive AR(1) model was found to be appropriate for modelling the autocorrelation structure. Due to estimation of the AR(1) process parameters, a modified exponentially weighted moving average (EWMA) control chart for residuals is implemented as a tool for monitoring and detecting defects. It is shown that the modified EWMA control chart can be used successfully for monitoring different types of chenille yarn defects. (en)
Title	Monitoring chenille yarn defects using image processing with control charts Monitoring chenille yarn defects using image processing with control charts (en)
skos:prefLabel	Monitoring chenille yarn defects using image processing with control charts Monitoring chenille yarn defects using image processing with control charts (en)
skos:notation	RIV/46747885:24410/12:#0001002!RIV12-MSM-24410___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M06047)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Tunák, Maroš Bajzík, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta textilní
http://linked.open...dnocenehoVysledku	151613
http://linked.open...ai/riv/idVysledku	RIV/46747885:24410/12:#0001002
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Chenille yarn; Exponentially weighted moving average; Control charts; Defect detection (en)
http://linked.open.../riv/klicoveSlovo	Defect detection Chenille yarn Control charts Exponentially weighted moving average
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[4585ACCDA1D2]
http://linked.open...i/riv/nazevZdroje	TEXTILE RESEARCH JOURNAL
http://linked.open...in/vavai/riv/obor	JS
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Research Center for Quality and Reliability of Production
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	81
http://linked.open...iv/tvurceVysledku	Bajzík, Vladimír Tunák, Maroš Testik, Murat Caner
http://linked.open...ain/vavai/riv/wos	000293248700004
issn	0040-5175
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1177/0040517511402123
http://localhost/t...ganizacniJednotka	24410

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