D - Textiles – Paper – 02 – G
Patent
D - Textiles, Paper
02
G
D02G 1/12 (2006.01) D02G 3/44 (2006.01) D02J 13/00 (2006.01)
Patent
CA 2113621
2113621 9302240 PCTABS00019 The present invention relates to a process for texturing a ply-twisted, crimped, multifilament yarn, a yarn made by this process, a carpet made from this multifilament yarn. The present invention also relates to a method of image analysis for analyzing the texture of a surface, and to a saxony-type carpet having a tightly tailored surface texture characterized by this method. The process of texturing a yarn comprises adjusting the temperature and moisture content of the yarn prior to passing the yarn through a stuffer box. The method for analyzing the texture of a surface employs a model based on a second order cooccurrence matrix model which calculates a set of textural parameters for image classification. In one embodiment, the method compares an unknown sample of a saxony-type carpet to a goal sample of a saxony-type carpet having a tightly tailored surface texture to determine whether the unknown sample is such a carpet.
Knoff Warren Francis
Merrill Michael James
Rubin Barry
Vaidyanathan Akhileswar Ganesh
Van Trump James Edmond
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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