Endmember-specified virtual dimensionality in hyperspectral imagery

Abstract

One key issue encountered in endmember extraction is to determine the number of endmembers, p, required to be extracted. Virtual dimensionality (VD) has been widely used for this purpose. However, VD was originally developed and defined as the number of spectrally distinct signatures which are not necessarily pure signatures. So, on some occasions the VD… (More)
DOI: 10.1109/IGARSS.2014.6947228

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