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Visual Inspection of Transparent Objects Physical Basics, Existing Methods and Novel Ideas. Technical Report IES-2014-04

Meyer, Johannes

Various industries, e. g., manufacturers of optical components or medical equipment, use components made out of transparent materials to craft devices for high-precision applications. As this involves the need for fulfilling high quality assurances, any kind of defect like enclosed air bubbles, contaminants or cracks, has to be reliably detected. Much effort has been spent and is currently spent into developing methods suitable for visually inspecting transparent objects. In contrast to opaque objects, transparent materials pose various challenging problems, as any light ray involved in the inspection process can be reflected and refracted by the investigated sample, complicating the design of the setup and of the method used for the inspection. On the one hand, this report gives an introduction to the specific physical properties of interest of transparent objects. On the other hand, it provides an overview over existing methods used for capturing these properties and describes sketches of some novel inspection approaches.

Zugehörige Institution(en) am KIT Institut für Anthropomatik und Robotik (IAR)
Publikationstyp Proceedingsbeitrag
Jahr 2015
Sprache Englisch
Identifikator ISBN: 978-3-7315-0401-6
ISSN: 1863-6489
URN: urn:nbn:de:swb:90-486947
KITopen ID: 1000048694
Erschienen in Proceedings of the 2014 Joint Workshop of Fraunhofer IOSB and Institute for Anthropomatics, Vision and Fusion Laboratory. Ed.: J. Beyerer
Verlag KIT Scientific Publishing, Karlsruhe
Seiten 37-47
Serie Karlsruher Schriften zur Anthropomatik / Lehrstuhl für Interaktive Echtzeitsysteme, Karlsruher Institut für Technologie ; Fraunhofer-Inst. für Optronik, Systemtechnik und Bildauswertung IOSB Karlsruhe ; 20
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