Development of visible and near-IR LCTF-based spectroscopic imaging systems for macroscopic samples

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TypeArticle
Proceedings titleSpectral Imaging : Instrumentation, Applications, and Analysis
Series titleProceedings of SPIE; Volume 3920
ConferenceSpectral Imaging: Instrumentation, Applications, and Analysis, January 22, 2000, San Jose CA, USA
ISSN0277-786X
0277-786X
Pages99107; # of pages: 9
Subjectspectroscopic imaging; visible spectroscopy; near infrared spectroscopy; macroscopic imaging
AbstractNear infrared and visible spectroscopic imaging systems were developed which are able to acquire spectroscopic images of samples at a distance, completely without contact. These imaging systems were used to analyze two color test samples and one 15th Century drawing from the Winnipeg Art Gallery. Spectra extracted from the quantitative test sample showed good linearity with ink levels across the visible wavelengths. By using wavelength images which match the wavelength sensitivities of the human eye, color reconstructed RGB images can be created with good color fidelity. Because of its ability to penetrate through some art pigments and inks, near infrared spectroscopic imaging was used to investigate lead-point underdrawings in ancient drawings in order to understand the artistic process better.
Publication date
PublisherSPIE
AffiliationNRC Institute for Biodiagnostics; National Research Council Canada
Peer reviewedYes
NRC number1821
NPARC number9147719
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Record identifier84ffa1db-2d2f-46bd-aa54-cf16888ce5b3
Record created2009-06-25
Record modified2017-09-13
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