Norimichi TSUMURA, Hideaki HANEISHI, and
Yoichi MIYAKE
Department of Information and Image Sciences,
Chiba University, 1-33, Yayoi-cho, Inage-ku
263-8522
Japanese Journal of Optics Vol. 27 No. 7 pp. 384-391(1998).
Abstract
In this paper, we applied the multiple
regression analysis to the estimation of
spectral reflectance from multi-band image.
The estimation of spectral reflectance is
required in digital museum, telemedicine,
internet shopping and so on, because the
information of spectral reflectance is not
dependent on the spectral characteristics
of taking illuminant and imaging systems.
It is necessary to estimate it from smaller
bands of images for the limitation of capacity
and transmission speed. By using the higher
order terms of pixel values, the proposed
method could estimate the spectral reflectance
more accurately than the conventional estimation
methods such as low-dimensional linear approximation
method and Wiener method.
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