Tor Vergata Earth Observation Laboratory |
Hyperspectral
and Multiangle CHRIS–PROBA Abstract The small hyperspectral imager Compact High-Resolution
Imaging Spectrometer (CHRIS) is the most important instrument for Earth
observation included in the payload of the European Space Agency Third-Part
Mission Project for On-Board Autonomy (PROBA)-1 satellite. This instrument
has provided dozens of images in several target areas in the world, and
a good number of acquisitions are available for the test site of Frascati
and Tor Vergata, Italy. This paper reports several results concerning
the generation of thematic maps obtained from CHRIS mode-3 imagery. The
potential of the use of different configurations for the input vector
exploiting multispectral, multiangular, and multitemporal measurements
has been investigated, and the results have been evaluated and compared
in terms of accuracy in the classification. The core of the decision task
has been developed using the neural network methodology. Indeed, this
approach is characterized by a particular ease in performing nonlinear
mapping of a multidimensional set of inputs into the output one. Digital Object Identifier 10.1109/TGRS.2008.2000741 |
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