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- W2018984986 abstract "In this article we present a method for hyperspectral band selection that yields superior classification results while only using a subset of the available bands. The approach originates from a comprehensive physical and mathematical understanding of the distance metrics used to compare hyperspectral signals, and it exploits an exact decomposition of a common metric, the Spectral Angle Mapper (SAM), to select bands which increase the angular contrast between target classes. Using real spectroradiometer and sensor data collected by the HYDICE sensor, the technique significantly improves the discrimination performance for two spectrally similar classes, while using only a fraction of the available bands. The approach is extended to a hierarchical architecture for material identification using spectral libraries that is shown to outperform the traditional angle-based classifier which employs all available bands. Consequently, better material identification performance can be achieved using significantly fewer bands, thus introducing dramatic benefits for the design and utilization of spectral libraries." @default.
- W2018984986 created "2016-06-24" @default.
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- W2018984986 date "2003-09-24" @default.
- W2018984986 modified "2023-09-23" @default.
- W2018984986 title "Angle-based band selection for material identification in hyperspectral processing" @default.
- W2018984986 doi "https://doi.org/10.1117/12.487534" @default.
- W2018984986 hasPublicationYear "2003" @default.
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