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Objective Evaluation of Seam Pucker: USING AUTOMATED CONTACTLESS MEASUREMENT TECHNOLOGY

Shigeru Inui (Research Institute for Polymers and Textiles, Ibaraki, Japan)
Atsuo Shibuya (Research Institute for Polymers and Textiles, Ibaraki, Japan)

International Journal of Clothing Science and Technology

ISSN: 0955-6222

Article publication date: 1 May 1992

Abstract

Seam pucker is one of the most important aspects of garment quality in the sewing process. Recently, automatic sewing systems have been developed and seam pucker or other defects would have to be automatically inspected in these systems. Two systems of automatic, contactless measurement of seam pucker have been developed. One of the measurement systems, with which surface shape of seam pucker was measured, is based on laser technology. Intensity of reflected ultrasonic wave is measured using another measurement system. The laser measurement system has been applied to moderate or severe seam pucker and the ultrasonic wave system has been applied to the accurate evaluation of very small seam pucker. The result of the evaluation by machine has to match the result of subjective evaluation by humans. To verify this, samples of seam pucker were evaluated using five judges. With the measurement data of surface shape of these samples, the power spectra of the wave form of seam pucker are calculated. Analyses and correlates the relationship between objective measurement and subjective evaluation by discriminant analysis, with the result of subjective evaluation and the power spectra of the samples. Having obtained these relationships, the degree of seam pucker can be measured objectively by both systems.

Keywords

Citation

Inui, S. and Shibuya, A. (1992), "Objective Evaluation of Seam Pucker: USING AUTOMATED CONTACTLESS MEASUREMENT TECHNOLOGY", International Journal of Clothing Science and Technology, Vol. 4 No. 5, pp. 24-33. https://doi.org/10.1108/eb003005

Publisher

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MCB UP Ltd

Copyright © 1992, MCB UP Limited