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11 April 2008Band selection for hyperspectral target detection based on a multinormal mixture anomaly detection algorithm
The paper outlines a new method for band selection derived from a multivariate normal mixture anomaly detection
method. The method consists in evaluating detection performance in terms of false alarm rates for all band
configurations obtainable from an input image by selecting and combining bands according to selection criteria
reflecting sensor physics. We apply the method to a set of hyperspectral images in the visible and near-infrared spectral
domain spanning a range of targets, backgrounds and measurement conditions. We find optimum bands, and investigate
the feasibility of defining a common band set for a range of scenarios. The results suggest that near optimal performance
can be obtained using general configurations with less than 10 bands. This may have implications for the choice of
sensor technology in target detection applications. The study is based on images with high spectral and spatial resolution
from the HySpex hyperspectral sensor.
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Ingebjørg Kåsen, Anders Rødningsby, Trym Vegard Haavardsholm, Torbjørn Skauli, "Band selection for hyperspectral target detection based on a multinormal mixture anomaly detection algorithm," Proc. SPIE 6966, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XIV, 696606 (11 April 2008); https://doi.org/10.1117/12.777758