Band selection for hyperspectral target detection based on a multinormal mixture anomaly detection algorithm

Ingebjørg Kåsen; Anders Rødningsby; Trym Vegard Haavardsholm; Torbjørn Skauli

doi:10.1117/12.777758

11 April 2008 Band selection for hyperspectral target detection based on a multinormal mixture anomaly detection algorithm

Ingebjørg Kåsen, Anders Rødningsby, Trym Vegard Haavardsholm, Torbjørn Skauli

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Proceedings Volume 6966, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XIV; 696606 (2008) https://doi.org/10.1117/12.777758
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

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, Ingebjørg Kåsen, Anders Rødningsby, Anders Rødningsby, Trym Vegard Haavardsholm, Trym Vegard Haavardsholm, Torbjørn Skauli, 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); doi: 10.1117/12.777758; https://doi.org/10.1117/12.777758

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