Paper
8 March 2002 Image-processing algorithm for automatic assessment of fabric shrinkage
Hamed Sari-Sarraf, Eric F. Hequet, Noureddine Abidi, Yongmei Dai, Hung Y. Chan, Michael R. Jasso, Ben Morris
Author Affiliations +
Proceedings Volume 4664, Machine Vision Applications in Industrial Inspection X; (2002) https://doi.org/10.1117/12.460186
Event: Electronic Imaging, 2002, San Jose, California, United States
Abstract
A vision system for the automatic quantification of fabric geometric distortion has been implemented and tested. The intended utility of this system is to replace the manual measurement of fabric shrinkage or growth as governed by the AATCC (American Association of Textile Chemists and Colorists) Test Method 135. In the near future, other capabilities, such as automatic quantification of fabric smoothness, will also be incorporated. The system uses commercial, off-the-shelf hardware components, together with a customized image processing algorithm to capture digital images of pre-marked fabric swatches and to accurately measure the distance between the benchmarks before and after laundering. The primary focus of this paper is a description of the algorithm that detects these benchmarks. This robust algorithm detects the marks without regard to: (1) changes in the texture or the color of the swatches, (2) inter-fabric changes in the benchmark colors, (3) changes in the fabric contrast due to scanning or laundering, (4) presence of noise, or (5) slight rotations of the swatches during scanning. The presented system has been under routine testing at the International Textile Center of Texas Tech University, as well as the laboratories of Cotton Inc., with the computed dimensional changes and the manual measurements possessing a nearly perfect linear correlation.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hamed Sari-Sarraf, Eric F. Hequet, Noureddine Abidi, Yongmei Dai, Hung Y. Chan, Michael R. Jasso, and Ben Morris "Image-processing algorithm for automatic assessment of fabric shrinkage", Proc. SPIE 4664, Machine Vision Applications in Industrial Inspection X, (8 March 2002); https://doi.org/10.1117/12.460186
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Cited by 2 scholarly publications.
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KEYWORDS
Image processing

Detection and tracking algorithms

Digital imaging

Scanners

Distance measurement

Image filtering

Digital image processing

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