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Atmospheric correction of multiple flightline hyperspectral data (CASI-3)

Atmospheric correction of multiple flightline hyperspectral data (CASI-3)
Atmospheric correction of multiple flightline hyperspectral data (CASI-3)
Multiple parallel airborne flightlines are often necessary to provide the areal coverage desired, but standardisation to a common unit such as reflectance can be difficult, particularly where errors in the transform may be propagated sequentially through adjacent flightlines. This paper proposes a method for transformation to reflectance for such multiple flightlines based on an additional orthogonal flightline. The method is demonstrated for the CASI-2 data provided by the Environment Agency as part of the NCAVEO experiment. The uncorrected and corrected data were used to estimate NDVI using various wavebands and the NDVI estimates used to predict LAI. In all cases, the corrected data produced a slightly larger correlation than the uncorrected data.
Image normalisation, atmospheric correction, pre-processing, ndvi, casi
1-4
Remote Sensing & Photogrammetry Society
Asmat, A.
ec903efb-a412-4840-96bc-7de2fd9ae2ef
Milton, E.J.
f6cb5c0d-a5d4-47d7-860f-096de08e0c24
Atkinson, P.M.
96e96579-56fe-424d-a21c-17b6eed13b0b
Asmat, A.
ec903efb-a412-4840-96bc-7de2fd9ae2ef
Milton, E.J.
f6cb5c0d-a5d4-47d7-860f-096de08e0c24
Atkinson, P.M.
96e96579-56fe-424d-a21c-17b6eed13b0b

Asmat, A., Milton, E.J. and Atkinson, P.M. (2008) Atmospheric correction of multiple flightline hyperspectral data (CASI-3). In Proceedings of the Remote Sensing and Photogrammetry Society Conference: “Measuring Change in the Earth System”. University of Exeter, 15-17 September 2008. Remote Sensing & Photogrammetry Society. pp. 1-4 .

Record type: Conference or Workshop Item (Paper)

Abstract

Multiple parallel airborne flightlines are often necessary to provide the areal coverage desired, but standardisation to a common unit such as reflectance can be difficult, particularly where errors in the transform may be propagated sequentially through adjacent flightlines. This paper proposes a method for transformation to reflectance for such multiple flightlines based on an additional orthogonal flightline. The method is demonstrated for the CASI-2 data provided by the Environment Agency as part of the NCAVEO experiment. The uncorrected and corrected data were used to estimate NDVI using various wavebands and the NDVI estimates used to predict LAI. In all cases, the corrected data produced a slightly larger correlation than the uncorrected data.

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More information

Published date: 15 September 2008
Venue - Dates: Remote Sensing and Photogrammetry Society Conference: “Measuring Change in the Earth System”, United Kingdom, 2008-09-15 - 2008-09-17
Keywords: Image normalisation, atmospheric correction, pre-processing, ndvi, casi

Identifiers

Local EPrints ID: 63467
URI: https://eprints.soton.ac.uk/id/eprint/63467
PURE UUID: 3dbb2878-aaf7-47c9-9274-1af4650afb51

Catalogue record

Date deposited: 09 Oct 2008
Last modified: 13 Mar 2019 20:24

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Contributors

Author: A. Asmat
Author: E.J. Milton
Author: P.M. Atkinson

University divisions

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