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Perception, Detection, and Diagnosis of Appearance Defects in FabricsNorth Carolina State University, Raleigh, North Carolina 27695, U.S.A.
North Carolina State University, Raleigh, North Carolina 27695, U.S.A.
North Carolina State University, Raleigh, North Carolina 27695, U.S.A. High uniformity of appearance is essential for textiles. Unintended variations of color between and within fabrics pose serious problems: their avoidance makes great demands on manufacturing and quality control at all stages from the extrusion of synthetic fibers and yarns up to the final finishing of a fabric. Most fabric inspection for quality control is visual. Unfortunately in some cases, the appearance of a color defect is a very poor guide to the true nature of the defect, a fact not generally recognized by the industry. This paper describes studies of the responses of observers to well . characterized model color defects using standard psychophysical methods. The results from this new approach will help the industry to understand these problems and provide a basis for the design of sensor systems to be used in automated fabric in spection.
Textile Research Journal, Vol. 64, No. 10,
584-591 (1994) |
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