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Optical Engineering

Application of Bayesian image superresolution to spectral reflectance estimation
Author(s): Yusuke Murayama; Ari Ide-Ektessabi
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Paper Abstract

Hyperspectral imaging provides us with high-dimensional, scene-independent color information but faces problems such as long image acquisition time and severe lighting and focusing conditions. To achieve efficient spectral imaging, this study presents an extended method of Bayesian image superresolution. The proposed method increases both the spatial and the wavelength resolution of input images and enables the processing of hyperspectral images to a higher resolution from easily acquired low-spatial-resolution multispectral images. In an experiment using acquired multispectral images of a Japanese traditional painting, visible and near-infrared hyperspectral images were produced, and the obvious effect of superresolution was validated.

Paper Details

Date Published: 27 June 2012
PDF: 5 pages
Opt. Eng. 51(11) 111713 doi: 10.1117/1.OE.51.11.111713
Published in: Optical Engineering Volume 51, Issue 11
Show Author Affiliations
Yusuke Murayama, Kyoto Univ. (Japan)
Ari Ide-Ektessabi, Kyoto Univ. (Japan)


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