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High power LED lighting for CNN based image processing at frame rates of 10 kHz

: Blug, A.; Jetter, V.; Strohm, P.; Carl, D.; Höfler, H.

Postprint urn:nbn:de:0011-n-1343881 (1.2 MByte PDF)
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Erstellt am: 7.7.2010

Institute of Electrical and Electronics Engineers -IEEE-:
12th International Workshop on Cellular Nanoscale Networks and their Applications, CNNA 2010. Proceedings : 3-5 Feb. 2010, Berkeley, CA, USA
New York, NY: IEEE, 2010
ISBN: 978-1-4244-6679-5
3 S.
International Workshop on Cellular Nanoscale Networks and their Applications (CNNA) <12, 2010, Berkeley/Calif.>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IPM ()
CNN; cellular neural network (CNN); image processing; machine vision; light-emitting diode

CNN based cameras are able to process images in the kHz range in machine vision systems, as demonstrated for the closed loop control of laser welding processes. Other applications do not benefit from a comparable light source. This paper reports the current state of a LED based lighting for the inspection of cylindrical metallic surfaces on aluminum wires. Frame rates of 10 kHz and exposure times of 20 µs have been achieved so far.