Airborne hyperspectral BRDF measurements using the HyperSpecTIR instrument

Joseph D. LaVeigne D.V.M.; Brian Cairns; Russell D. Granneman; Andrew Rael

doi:10.1117/12.541875

12 August 2004 Airborne hyperspectral BRDF measurements using the HyperSpecTIR instrument

Joseph D. LaVeigne D.V.M., Brian Cairns, Russell D. Granneman, Andrew Rael

Proceedings Volume 5425, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery X; (2004) https://doi.org/10.1117/12.541875
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

The scan mechanism of the HyperSpecTIR hyperspectral instrument has been modified to allow BRDF measurements from an airborne platform. The HyperSpecTIR is a flexible, airborne hyperspectral imager capable of on-the-fly programmability. Such measurements afford the opportunity to study geometric and spectral properties of natural scenes such as fields and canopies, as well as man-made substances such as composite materials and paints. As a proof of concept study for the BRDF measurement method, data was collected during flight operations near Phoenix Arizona. The measurements were performed in the principle plane and included the solar hot-spot. Detailed descriptions of the instrument and data collection methods are presented. The collected data is analyzed and compared to BRDF models of the solar hot-spot.

Citation Download Citation

Joseph D. LaVeigne D.V.M., Brian Cairns, Russell D. Granneman, and Andrew Rael "Airborne hyperspectral BRDF measurements using the HyperSpecTIR instrument", Proc. SPIE 5425, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery X, (12 August 2004); https://doi.org/10.1117/12.541875

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KEYWORDS

Bidirectional reflectance transmission function

Vegetation

Reflectivity

Data modeling

Sun

Hyperspectral imaging

Spatial resolution

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