On-line textile quality control using optical Fourier transforms

Year: 1996

Authors: Castellini C., Francini F., Longobardi G., Sansoni P., Tiribilli B.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze;
Centro di Eccellenza Optronica, Campi Bisenzio, Firenze, Italy

Abstract: Fourier transformation and spatial filtering offer the possibility of detecting structural defects in a fabric. In this paper a method based on an optical Fourier transform technique during the weaving process is described. Significant variations in the Fourier pattern occurring in the presence of defective fabric are recognised with a CCD sensor joined to an electronic hardware system performing a simple algorithm.

Journal/Review: OPTICS AND LASERS IN ENGINEERING

Volume: 24 (1)      Pages from: 19  to: 32

More Information: The authors gratefully acknowledge other partners in the project for their helpful work, particularly Botto (Italy) and Gassol (Spain), companies supplying, respectively, wool and cotton fabric samples, and SAPA (Spain), which built a mechanicals ystemt o test sampleso f moving fabric.
KeyWords: Algorithms; Charge coupled devices; Defects; Fabrics; Fourier transforms; Image sensors; Online systems; Pattern recognition; Quality control; Textiles; Weaving, Defective fabric; Electronic hardware system; Online textile quality control; Optical fourier transform technique; Spatial filtering, Fourier optics
DOI: 10.1016/0143-8166(95)00044-O

Citations: 26
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