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8 March 2012 Archiving shape and appearance of cultural heritage objects using structured light projection and multispectral imaging
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Abstract
To create faithful reproduction of a cultural heritage object, it is crucial to gather information on intrinsic optical properties of the object's surface, as well as its geometry. An integrated device has been developed that performs a three-dimensional measurement using structured light projection, followed by multispectral imaging for precise color retrieval and directional illumination for estimating bidirectional reflectance distribution function (BRDF) parameters. The main advantage shown in this work is the use of only one detector during the whole acquisition process to assure ideal correspondence of multimodal surface data in the image space. A method is shown for performing the measurement using an integrated device. Methods of data organization and processing are described facilitating robust operation of the developed software. A prototype setup for the integrated system is presented together with measurement parameters and sample measurement.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2012/$25.00 © 2012 SPIE
Robert Sitnik, Jakub F. Krzeslowski, and Grzegorz Maczkowski "Archiving shape and appearance of cultural heritage objects using structured light projection and multispectral imaging," Optical Engineering 51(2), 021115 (8 March 2012). https://doi.org/10.1117/1.OE.51.2.021115
Published: 8 March 2012
JOURNAL ARTICLE
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