Hyper-sharpening of hyperspectral data: a first approach

This paper enriches the hyperspectral pansharpening field following the development of new instruments. The updated version of SIM-GA imager, designed by Selex ES, is now composed by a panchromatic camera and two spectrometers in the VNIR and SWIR spectral ranges, respectively. Due to the different resolution factors among Panchromatic, VNIR and SWIR, various pansharpening approaches are possible. This paper is a first contribution on this subject, exploring the different ways to fuse the SWIR data to VNIR resolution. It is showed that the new proposed method outperforms the previous solutions reported in literature.