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Volume: 29 | Article ID: art00005
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Filter Selection for Multispectral Imaging Optimizing Spectral, Colorimetric and Image Quality
  DOI :  10.2352/ISSN.2470-1173.2017.11.IMSE-180  Published OnlineJanuary 2017
Abstract

This paper will demonstrate the filter selection methods for wide band multispectral capturing system considering spectral and colorimetric reproduction as well as noise propagation. Spectral sensitivity of seven channel bandpass filter set was modeled and optimized first. Schott filters can be glued together to have bandpass shapes, which can be used to build the spectral camera. The glued Schott filters were selected based on the optimal modeling spectral sensitivity considering optical throughputs and infrared sensitivity. The second method to select the glued Schott filters is to divide the spectrum of interest evenly and select the combinations of filters whose peak wavelength were located in the range of spectrum subsets manually. An alternative option is to use single Schott filter set to build the spectral camera. However, although its spectral and colorimetric reproduction is accurate, single Schott filter set generates high propagated noise. Therefore, the glued Schott filters are preferred. The research provides insights for filter selection in multi-spectral camera design.

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Yixuan Wang, Roy S. Berns, "Filter Selection for Multispectral Imaging Optimizing Spectral, Colorimetric and Image Qualityin Proc. IS&T Int’l. Symp. on Electronic Imaging: Image Sensors and Imaging Systems,  2017,  pp 25 - 32,  https://doi.org/10.2352/ISSN.2470-1173.2017.11.IMSE-180

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Copyright © Society for Imaging Science and Technology 2017
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