Quantitative estimation of hair follicle patterns for leather surface using K-function (L-fonction) Method (i): influence of individual and location differences for goatskins on estimation of L-function / Satoru Dohshi in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 97, N° 4 (07-08/2013)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 97, N° 4 (07-08/2013) . - p. 145-148 Titre : Quantitative estimation of hair follicle patterns for leather surface using K-function (L-fonction) Method (i): influence of individual and location differences for goatskins on estimation of L-function Type de document : texte imprimé Auteurs : Satoru Dohshi, Auteur Année de publication : 2013 Article en page(s) : p. 145-148 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Comptage Cuirs et peaux -- Analyse Cuirs et peaux de chèvres Follicule pileux Fonctions L Microscopie Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The purpose of this work was to investigate the influence of individual and location differences on the quantitative estimation of hair follicle patterns for goatskins using the K-function (L-function) method. Five pieces of chrome-tanned goatskins were used in this study. Hair follicle patterns of butt, shoulder and belly locations for goatskins were observed by a digital microscope and were quantitatively estimated using K-function (L-function) method. As a result, a characteristic L-function for goatskin was observed. No individual differences in hair follicle patterns of goatskins were observed for both observation images and quantitative estimation. On the other hand, since the mean distance betWeen two hair follicles for belly location was longer than those for butt and shoulder locations, small location differences were observed for goatskins. However, for ail samples and locations, the L-function seemed low by comparison with random distribution within the region of the existence of three guard hair follicles. In conclusion, it was found that a characteristic L-function for the hair follicle patterns of goatskin was observed and the K-function (L-function) method becomes a useful tool to quantitatively estimate hair follicle patterns of goatskins. Note de contenu : - Leather sample - Observation by microscope - K(r) (L(r)) method En ligne : https://drive.google.com/file/d/1F5MUEDoL23kRnghySvEOCZeYEKK5wv6P/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19218 [article]

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Quantitative estimation of hair follicte patterns for leather surface using K-function (L-function) method (2) : Influence of individual and location differences for sheepskins on estimation of L-function / Satoru Dohshi in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 97, N° 5 (09-10/2013)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 97, N° 5 (09-10/2013) . - p. 185-194 Titre : Quantitative estimation of hair follicte patterns for leather surface using K-function (L-function) method (2) : Influence of individual and location differences for sheepskins on estimation of L-function Type de document : texte imprimé Auteurs : Satoru Dohshi, Auteur Année de publication : 2013 Article en page(s) : p. 185-194 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Comptage Cuirs et peaux -- Analyse Cuirs et peaux de moutons Follicule pileux Fonctions L Microscopie Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The purpose of this study was to estimate sheepskin hair follicle patterns quantitatively using the K-function (L-function) method. Especially, the influence of individual and location differences on the estimation of L-function was investigated. Five pieces of chrome-tanned sheepskins were used in this study. Hair follicle patterns of butt, shoulder and belly locations for sheepskins were observed by a digital microscope and were quantitatively estimated using K-function (L-function) method. As a result, it was found that the hair follicle patterns of sheepskins are defined as random distributions for all distances from the chosen sampling point, although they seemed to be regular distributions when observing them using a microscope. No individual and location differences in hair follicle patterns of sheepskins were observed for both observation images and quantitative estimation (L-function). It is concluded that quantitative estimations of hair follicle patterns by K-function (L-function) method is indispensable for the identification of leather materials, because judgments using both observation by a microscope and a statistical K-function (L-function) method give different results for the distribution of hair follicles for sheepskins. In the future, quantitative estimations of hair follicle patterns for a variety of leathers used in leather goods also need to be discussed. Note de contenu : - Leather sample - Observation by microscope - K(r)) (L(r)) method En ligne : https://drive.google.com/file/d/1AzZhD_REu9kjm1YPSv0vWbfp-NoUnaT_/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19551 [article]

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