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Computer screen photo-assisted reflectance fingerprinting
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
Thin Films Laboratory, Science Faculty, Universidad Nacional De Ingenieria, Lima 31, Peru.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
2005 (English)In: Sensors and actuators. B, Chemical, ISSN 0925-4005, Vol. 107, no 2, 580-586 p.Article in journal (Refereed) Published
Abstract [en]

The characterization of opaque color samples using reflected light is demonstrated with a computer screen photo-assisted technique (CSPT). CSPT utilizes standard computer screens as light sources and conventional web cameras as detectors to perform colorimetric or fluorescent evaluations that retain key spectral features of the tested substances. In this work, the fingerprinting of samples spectral reflectances is achieved by evaluating the reflected light under controlled computer screen illumination. Two different methods for processing of features are investigated, revealing complementary properties for classifications purposes. The attainable classification enables to distinguish different colors from just hues of a same color. © 2004 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2005. Vol. 107, no 2, 580-586 p.
Keyword [en]
Biochemical images, Biosensors, Color fingerprinting, Colorimetric assays, Computer screen illumination, Fluorescent assays, Reflectance
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-50478DOI: 10.1016/j.snb.2004.11.036OAI: oai:DiVA.org:liu-50478DiVA: diva2:271374
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-12

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Filippini, DanielLundström, Ingemar

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