title: Some practical issues in anomaly detection and exploitation of regions of interest in hyperspectral images.
abstract: We address method of detection of anomalies in hyperspectral images that consists in performing the detection when the spectral signatures of the targets are unknown. We show that, in real hyperspectral images, use of the full spectral resolution may not be necessary for detection but that the correlation properties of spectral fluctuations have to be taken into account in the design of the detection algorithm. Anomaly detectors are useful for detecting regions of interest (ROIs), but, as they are prone to false alarms, one must analyze the ROIs obtained further to decide whether they correspond to real targets. We propose a method of exploitation of these ROIs that consists in generating a single image in which the contrast of the ROI is optimized.
authors.affiliation: Physics and Image Processing Group, Fresnel Institute, France. francois.goudail@iota.u-psud.fr
authors.forename: François
authors.initials: F
authors.lastname: Goudail
authors.forename: Nicolas
authors.initials: N
authors.lastname: Roux
authors.forename: Ivar
authors.initials: I
authors.lastname: Baarstad
authors.forename: Trond
authors.initials: T
authors.lastname: Løke
authors.forename: Peter
authors.initials: P
authors.lastname: Kaspersen
authors.forename: Mehdi
authors.initials: M
authors.lastname: Alouini
authors.forename: Xavier
authors.initials: X
authors.lastname: Normandin