Bottom reflectance influence on a color correction algorithm for underwater images

Authors:
Julia Åhlén;David Sundgren
Affiliations:
Centre for Image Analysis, Uppsala University;Department of Numerical Analysis and Computer Science, Stockholm University
Venue:
SCIA'03 Proceedings of the 13th Scandinavian conference on Image analysis
Year:
2003

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Color correction of underwater images for aquatic robot inspection

EMMCVPR'05 Proceedings of the 5th international conference on Energy Minimization Methods in Computer Vision and Pattern Recognition

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Abstract

Diminishing the negative effects of water column introduced on digital underwater images is the aim of a color correction algorithm presented by the authors in a previous paper. The present paper describes an experimental result and set of calculations for determining the impact of bottom reflectance on the algoridml's performance. This concept is based on estimations of tire relative reflectartce of various bottom types such as sand, bleached corals and algae. We describe tire adverse effects of extremely low and high bottom reflectartces on the algorithm.