A comparison of multi-layer perceptron and multilinear regression algorithms for the inversion of synthetic ocean colour spectra
Dransfeld, S., Tatnall, A.R., Robinson, I.S. and Mobley, C.D. (2004) A comparison of multi-layer perceptron and multilinear regression algorithms for the inversion of synthetic ocean colour spectra. International Journal of Remote Sensing, 25, (21), 4829-4834. (doi:10.1080/01431160412331269661).
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Artificial radiance sets were used as inputs to Multi-layer Perceptron and multilinear regression algorithms to study their retrieval capabilities for optically active constituents in sea water. The radiative transfer model Hydrolight was used to produce 18,000 artificial reflectance spectra representing various case 1 and case 2 water conditions. The remote sensing reflectances were generated at the Medium Resolution Imaging Spectrometer (MERIS) wavebands 412, 442, 490, 510, 560, 620, 665 and 682 nm from randomly generated triplet combinations of chlorophyll a, non-chlorophyllous particles and CDOM (Coloured Dissolved Organic Matter) concentrations. These reflectances were contaminated with different noise terms, before they were used to assess the performance of multilayer perceptron and multilinear regression algorithms. The potential of both algorithms for retrieving optically active constituents was demonstrated with the neural network showing more accurate results for case 2 scenarios.
|Subjects:||Q Science > QD Chemistry
G Geography. Anthropology. Recreation > GC Oceanography
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences
University Structure - Pre August 2011 > School of Ocean & Earth Science (SOC/SOES)
|Date Deposited:||22 Mar 2006|
|Last Modified:||06 Aug 2015 02:21|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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