Non-negative matrix factorization pansharpening of hyperspectral data: An application to mid-infrared astronomy. - Olivier Berné; A. Helens; P. Pilleri; Christine Joblin (WHISPERS, 2010)

Explaining mid-infrared astronomical spectra: Non-negative matrix factorization vs theoretical spectroscopic database. - Olivier Berné; M. Rosenberg; A. Helens (WHISPERS, 2011)