The portable hyperspectral imager for low light spectroscopy (PHILLS) instrument consists of several modules containing analog and digital imaging spectrometers, two of which are intensified, covering the 200 nm to 1100 nm wavelength range with over 100 wavelength bands. The PHILLS instrument is usually flown aboard P-3 Orion aircraft at altitudes from 500 feet to 10,000 feet. PHILLS ground images are acquired with > 70 degrees FOV and 2-5 meter spatial resolution, and 0.5-1 nm wavelength resolution. Hyperspectral data cubes are processed using a combination of spectral matching techniques and the filter vector algorithm, to produce terrain separation and spectral dimensionality; i.e. variability of the spectral signatures for individual 'substances' in the image. Data obtained on flights over the Florida Keys showing land and underwater features are presented.
Hyperspectral imaging results from the NRL PHILLS instrument
Infrared Spaceborne Remote Sensing III ; 1995 ; San Diego,CA,United States
Proc. SPIE ; 2553
1995-09-29
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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