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Multispectral color image capture using a liquid crystal tunable filter
JY Hardeberg, F Schmitt, H Brettel - Optical engineering, 2002 - spiedigitallibrary.org
We describe the experimental setup of a multispectral color image acquisition system
consisting of a professional monochrome CCD camera and a tunable filter in which the …
consisting of a professional monochrome CCD camera and a tunable filter in which the …
Hybrid-resolution multispectral imaging using color filter array
Y Murakami, M Yamaguchi, N Ohyama - Optics express, 2012 - opg.optica.org
Hybrid-resolution multispectral imaging is a framework to acquire multispectral images
through a reconstruction procedure using two types of measurement data with different …
through a reconstruction procedure using two types of measurement data with different …
Non-display bio-optic applications of liquid crystals
I Abdulhalim - Liquid Crystals Today, 2011 - Taylor & Francis
Liquid crystal (LC) devices have been largely developed for LC displays and in the last
decade for optical telecommunications; however, their application in the field of optical …
decade for optical telecommunications; however, their application in the field of optical …
Photonic bandgap fiber bundle spectrometer
Q Hang, B Ung, I Syed, N Guo, M Skorobogatiy - Applied optics, 2010 - opg.optica.org
By using a photonic bandgap (PBG) fiber bundle and a monochrome CCD camera, we
experimentally demonstrate an all-fiber spectrometer. A total of 100 Bragg fibers that have …
experimentally demonstrate an all-fiber spectrometer. A total of 100 Bragg fibers that have …
[PDF][PDF] Filter selection for multispectral color image acquisition
JY Hardeberg - Journal of Imaging Science and Technology, 2004 - library.imaging.org
A relatively common approach to acquiring multispectral color images is to use a
monochrome digital camera coupled with a set of color filters, as shown in Fig. 1. Given the …
monochrome digital camera coupled with a set of color filters, as shown in Fig. 1. Given the …
Investigation of liquid crystal Fabry–Perot tunable filters: design, fabrication, and polarization independence
S Isaacs, F Placido, I Abdulhalim - Applied Optics, 2014 - opg.optica.org
Liquid crystal Fabry–Perot tunable filters are investigated in detail, with special attention to
their manufacturability, design, tolerances, and polarization independence. The calculations …
their manufacturability, design, tolerances, and polarization independence. The calculations …
On the spectral dimensionality of object colours
JY Hardeberg - Conference on Colour in Graphics, Imaging, and …, 2002 - library.imaging.org
How many components are needed to represent the spectral reflectance of a surface? What
is the dimension of a spectral reflectance? How many image channels are needed for the …
is the dimension of a spectral reflectance? How many image channels are needed for the …
A subspace matching color filter design methodology for a multispectral imaging system
DY Ng, JP Allebach - IEEE Transactions on Image Processing, 2006 - ieeexplore.ieee.org
In this paper, we present a methodology to design filters for an imaging system to improve
the accuracy of the spectral measurements for families of reflective surfaces. We derive the …
the accuracy of the spectral measurements for families of reflective surfaces. We derive the …
Evaluation and optimal design of spectral sensitivities for digital color imaging
S Quan - 2002 - repository.rit.edu
The quality of an image captured by color imaging system primarily depends on three
factors: sensor spectral sensitivity, illumination and scene. While illumination is very …
factors: sensor spectral sensitivity, illumination and scene. While illumination is very …
Reflectance spectra reconstruction from trichromatic camera based on kernel partial least square method
G **ao, X Wan, L Wang, S Liu - Optics Express, 2019 - opg.optica.org
A novel spectral reflectance reconstruction method based on kernel partial least square
(KPLS) regression is proposed. The proposed method integrates the partial least square …
(KPLS) regression is proposed. The proposed method integrates the partial least square …