A New Method to Measure 3D Textile Defects by Using Dual-Lens Camera

Jun Xu; Christophe Cudel; Sophie Kohler; Stéphane Fontaine; Olivier Haeberle; Marie Louise Klotz

doi:10.4028/www.scientific.net/AMR.821-822.237

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 821-822A New Method to Measure 3D Textile Defects by...

A New Method to Measure 3D Textile Defects by Using Dual-Lens Camera

Abstract:

Industrial textile fabric with functionalization always has a high standard requirement. Take polytetrafluoroethylene (PTFE) conveyor belt as an example, the base fabrics must be of first-rate quality, with no weaving faults or broken fibers on coated surface [1]. In a previous work [2], we have proposed an original method to measure the height of the fiber based on variable homography. This measurement is based on a single camera acquiring two successive frames. This scheme is working well, but measurement depends on conveyor speed used for scrolling fabric. In this paper, we propose an improvement by using a new acquisition device based on two mini-lenses assembled as a dual-objective. With this device, variable homography modeling leads to 3-D online inspection whatever fabric speed with a simplified calibration procedure compared to classic stereovision approaches.

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Periodical:

Advanced Materials Research (Volumes 821-822)

Pages:

237-242

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.821-822.237

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Online since:

September 2013

Authors:

Jun Xu*, Christophe Cudel, Sophie Kohler, Stéphane Fontaine, Olivier Haeberle, Marie Louise Klotz

Keywords:

Computer Vision, Glass Fiber Fabric, Homography, Nonwoven, Stereovision, Textile Defect

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References

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