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Dissolved Organic Matters Impact on Color Reconstruction of Underwater Images
University of Gävle, Department of Mathematics, Natural and Computer Sciences, Ämnesavdelningen för datavetenskap.
University of Gävle, Department of Mathematics, Natural and Computer Sciences, Ämnesavdelningen för matematik och statistik. (matematik)
2005 (English)In: Proceedings of the 14th Scandinavian Conference on Image Analysis, 2005, p. 1148-1156Conference paper, Published paper (Refereed)
Abstract [en]

The natural properties of water column usually affect underwater imagery by supressing high-energy light. In application such as color correction of underwater images estimation of water column parameters is crucial. Diffuse attenuation coefficients are estimated and used for further processing of underwater taken data. The coeeficients will give information on how fast light of different wavelengths decreases with increasing depth. Based on the exact depth measurements and data from a spectrometrer the calculation of downwelling irradiance will be done. Chlorophyll concentration and a yellow substance factor contribute to a great variety of values of attenuation coefficients at different depth. By taking advantage of variations in depth, a method is presented to estimate the influence of dissolved organic matters and chlorophyll on color correction. Attenuation coefficients that depends on concentration of dissolved organic matters in water gives an indication on how well any spectral band is suited for color correction algorithm.

Place, publisher, year, edition, pages
2005. p. 1148-1156
Identifiers
URN: urn:nbn:se:hig:diva-2453ISBN: 978-3-540-26320-3 (print)OAI: oai:DiVA.org:hig-2453DiVA, id: diva2:119115
Conference
Scandinavian Conference on Image Analysis (SCIA). Joensuu, Finland, 19-22 juni 2005.
Available from: 2007-04-30 Created: 2007-04-30 Last updated: 2018-03-13Bibliographically approved

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Åhlén, JuliaSundgren, David

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Ämnesavdelningen för datavetenskapÄmnesavdelningen för matematik och statistik

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CiteExportLink to record
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Citation style
  • apa
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  • Other style
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Language
  • sv-SE
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  • en-US
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  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
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