Title
Fusion of hyperspectral and multispectral infrared astronomical images
Abstract
This paper presents a data fusion method dedicated to high dimensional astronomical imaging. The fusion process reconstructs a high spatio-spectral resolution datacube, taking advantage of a multispectral observation image with high spatial resolution and a hyperspectral image with high spectral resolution. We define a regularized inverse problem accounting for the specificities of the astronomical observation instruments, in particular spectrally variant blurs. To handle convolution operators as well as the high dimensionality of the data, the problem is solved in the frequency domain and in a low-dimensional subspace. The fusion model is evaluated on simulated observations of the Orion Bar and shows excellent spatial and spectral reconstructions of the observed scene.
Year
DOI
Venue
2020
10.1109/SAM48682.2020.9104393
2020 IEEE 11th Sensor Array and Multichannel Signal Processing Workshop (SAM)
Keywords
DocType
ISSN
Data fusion,hyperspectral imaging,high dimensional imaging,astrophysics,super-resolution,spectrally varying blur.
Conference
1551-2282
ISBN
Citations 
PageRank 
978-1-7281-1947-2
0
0.34
References 
Authors
9
4
Name
Order
Citations
PageRank
Claire Guilloteau100.34
Thomas Oberlin212814.57
Olivier Berne300.34
Nicolas Dobigeon42070108.02