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Evaluation of Underwater Spectral Data for Colour Correction Applications
University of Gävle, Department of Mathematics, Natural and Computer Sciences, Ämnesavdelningen för datavetenskap.ORCID iD: 0000-0002-5986-7464
University of Gävle, Department of Mathematics, Natural and Computer Sciences, Ämnesavdelningen för matematik och statistik.
2006 (English)In: CSECS'06 Proceedings of the 5th WSEAS International Conference on Circuits, Systems, Electronics, Control & Signal Processing, 2006Conference paper, Published paper (Other academic)
Abstract [en]

The inherent properties of water column usually affect underwater imagery by suppressing high-energy wavelengths. One of the inherent properties, diffuse attenuation, can be estimated from multi or hyper spectral data and thus give information on how fast light of different wavelengths decreases with increasing depth. Based on exact depth measurements and data from a spectrometer incoming light on an object can be calculated and diffuse attenuation coefficient can be estimated. In this work the authors introduce a mathematical model that suggests the most stable wavelengths, which corresponds to estimated coefficients, based on spectral information from each depth. These values are then used in reconstruction of colours in underwater imagery. Since there are no digital hyper spectral cameras yet we are for the time being confined to point data, but the method is general and we show how it can be applied on multi spectral images.

Place, publisher, year, edition, pages
2006.
Identifiers
URN: urn:nbn:se:hig:diva-1125ISBN: 960-8457-55-6 (print)OAI: oai:DiVA.org:hig-1125DiVA, id: diva2:117787
Conference
The 5-th WSEA conference, Dallas Texas, 1-3 November 2006
Available from: 2007-12-14 Created: 2007-12-14 Last updated: 2023-02-17Bibliographically approved

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Åhlén, JuliaSundgren, David

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Ämnesavdelningen för datavetenskapÄmnesavdelningen för matematik och statistik

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  • sv-SE
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  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
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Output format
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