21 October 2014 Implementation of a hyperspectral image simulation tool and analysis of the impact of instrumental noise on vegetation fluorescence retrieval using the telluric O2-A and O2-B lines
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Abstract
This paper presents an analysis of the main artifacts introduced by the non- uniformity of the instrumental characteristics in an image dataset simulated by taking into account the main technical features of the FLORIS sensor. The dataset was produced by using a hyperspectral image simulation tool – named FLISM (Fluorescence Image Simulator for space Missions) – specifically implemented to produce images of fluorescent and non-fluorescent targets acquired by a pushbroom hyperspectral instrument. In this specific case, the available technical specifications of the FLORIS sensor were taken into account to investigate some critical issues concerning Solar Induced Fluorescence (SIF) retrieval in vegetated areas by means of the FLD (Fraunhofer Line Discriminator) method, which relies on the telluric O2-A and O2-B lines to decouple the weak SIF signal of vegetation from the backscattered radiance.
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Valentina Raimondi, Valentina Raimondi, Alessandro Barducci, Alessandro Barducci, Paola Di Ninni, Paola Di Ninni, Donatella Guzzi, Donatella Guzzi, Cinzia Lastri, Cinzia Lastri, Vanni Nardino, Vanni Nardino, Lorenzo Palombi, Lorenzo Palombi, Ivan Pippi, Ivan Pippi, } "Implementation of a hyperspectral image simulation tool and analysis of the impact of instrumental noise on vegetation fluorescence retrieval using the telluric O2-A and O2-B lines", Proc. SPIE 9241, Sensors, Systems, and Next-Generation Satellites XVIII, 92411Q (21 October 2014); doi: 10.1117/12.2067487; https://doi.org/10.1117/12.2067487
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