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Real-time Applicable Visual Quality Control in Industrial Line Production

  • In this contribution a machine vision inspection system is presented which is designed as a length measuring sensor. It is developed to be applied to a range of heat shrink tubes, varying in length, diameter and color. The challenges of this task were the precision and accuracy demands as well as the real-time applicability of the entire approach since it should be realized in regular industrial line production. In production, heat shrink tubes are cut to specific sizes from a continuous tube. A multi-measurement strategy has been developed, which measures each individual tube segment several times with sub pixel accuracy while being in the visual field of a standard video camera. The developed approach allows for a contact-free and fully automatic control of 100% of produced heat shrink tubes according to the given requirements with a measuring precision of 0.1mm. Depending on the color, length and diameter of the tubes considered, a true positive rate of 99.99% to 100% has been reached at a true negative rate of > 99.7.

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Metadaten
Document Type:Conference Object
Language:English
Parent Title (English):IEEE/ASME International Conference on Advanced Intelligent Mechatronics. September 4-7, 2007, Zürich, Switzerland
Pagenumber:6
ISBN:978-1-4244-1263-1
DOI:https://doi.org/10.1109/AIM.2007.4412499
Publisher:IEEE
Publication year:2007
Tag:Heat shrink tubing; machine vision; submillimeter precision; visual quality control
Departments, institutes and facilities:Fachbereich Informatik
Institute of Visual Computing (IVC)
Dewey Decimal Classification (DDC):0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Entry in this database:2015/04/02