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Detection of marine fronts: a comparison between different approaches applied on the SST product derived from Sentinel-3 data
Author(s): Milto Miltiadou; Christiana Papoutsa; Vassilia Karathanassi; Polychronis Kolokoussis; Virginie Lafon; Dimitris Sykas; Anastasia Sarelli; Maria Prodromou; Diofantos Hadjimitsis
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Paper Abstract

Fronts, which are sharp boundaries between distinct water masses, play a substantial role in managing biodiversity of marine species and preserving a resilient ecosystem. The overarching aim of this study is to compare different methodologies for detecting marine fronts. Many marine fronts are identifiable by their strong temperature gradient. For that reason, this study tests how two different edge detection methodologies (Laplacian and Canny) performs on detecting marine once applied on the Sea Surface Temperature (SST) product of the Sentinel-3 SLSTR instrument. In a few words, the results of this study showed that the Laplacian edge detection overestimates fronts, while the Canny Edge detection algorithm underestimates them. It worth highlighting though that the results are significantly improved using the appropriate filtering and/or image enhancements. The results of the Canny Edge detection algorithm were improved when a histogram equalisation image enhancement was applied before the Canny Edge and the results of the Laplacian detector were improved with median filtering.

Paper Details

Date Published: 6 August 2018
PDF: 6 pages
Proc. SPIE 10773, Sixth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2018), 1077305 (6 August 2018); doi: 10.1117/12.2324126
Show Author Affiliations
Milto Miltiadou, Cyprus Univ. of Technology (Cyprus)
Christiana Papoutsa, Cyprus Univ. of Technology (Cyprus)
Vassilia Karathanassi, National Technical Univ. of Athens (Greece)
Polychronis Kolokoussis, National Technical Univ. of Athens (Greece)
Virginie Lafon, i-Sea (France)
Dimitris Sykas, Planetek Hellas (Greece)
Anastasia Sarelli, Planetek Hellas (Greece)
Maria Prodromou, Cyprus Univ. of Technology (Cyprus)
Diofantos Hadjimitsis, Cyprus Univ. of Technology (Cyprus)

Published in SPIE Proceedings Vol. 10773:
Sixth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2018)
Kyriacos Themistocleous; Giorgos Papadavid; Silas Michaelides; Vincent Ambrosia; Diofantos G. Hadjimitsis, Editor(s)

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