Fourier Spectral Filter Array for Optimal Multispectral Imaging

Limitations to existing multispectral imaging modalities include speed, cost, range, spatial resolution, and application-specific system designs that lack versatility of the hyperspectral imaging modalities. In this paper, we propose a novel general-purpose single-shot passive multispectral imaging...

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Bibliographic Details
Published in:IEEE transactions on image processing 2016-04, Vol.25 (4), p.1530-1543
Main Authors: Jia, Jie, Barnard, Kenneth J., Hirakawa, Keigo
Format: Article
Language:English
Subjects:
Arrays
Demosaicking
Design engineering
Detectors
Fourier analysis
Hyperspectral imaging
Imaging
Multispectral imaging
Optical variables measurement
Optimization
Passive imaging
Sampling
Spatial resolution
Spectra
spectral filter array
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Summary:Limitations to existing multispectral imaging modalities include speed, cost, range, spatial resolution, and application-specific system designs that lack versatility of the hyperspectral imaging modalities. In this paper, we propose a novel general-purpose single-shot passive multispectral imaging modality. Central to this design is a new type of spectral filter array (SFA) based not on the notion of spatially multiplexing narrowband filters, but instead aimed at enabling single-shot Fourier transform spectroscopy. We refer to this new SFA pattern as Fourier SFA, and we prove that this design solves the problem of optimally sampling the hyperspectral image data.
ISSN:1057-7149
1941-0042
DOI:10.1109/TIP.2016.2523683