26 September 2016 Design and fabrication of Fourier spectral filter array for multispectral imaging
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Abstract
Multispectral imaging has the capability to identify the state of objects based on their spectral characteristics. These are features not available with conventional color imaging based on metameric RGB (red, green and blue) colors alone. Current multispectral imaging systems use narrowband filters to capture the spectral content of a scene, which necessitates different filters to be designed and applied for each application. Previously, we demonstrated the concept of Fourier multispectral imaging using filters with sinusoidally varying transmittance [1, 2]. In this paper, we report to the design of a five channel, spatially multiplexed pixel filter array. This enables single-shot images and makes it possible to capture scenes containing moving objects.
Conference Presentation
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Chuan Ni, Chuan Ni, Jie Jia, Jie Jia, Keigo Hirakawa, Keigo Hirakawa, Andrew Sarangan, Andrew Sarangan, "Design and fabrication of Fourier spectral filter array for multispectral imaging", Proc. SPIE 9927, Nanoengineering: Fabrication, Properties, Optics, and Devices XIII, 99270W (26 September 2016); doi: 10.1117/12.2238864; https://doi.org/10.1117/12.2238864
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