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Title: Detection of marine fronts: a comparison between different approaches applied on the SST product derived from Sentinel-3 data
Authors: Miltiadou, Milto 
Papoutsa, Christiana 
Karathanassi, Vassilia 
Kolokoussis, Polychronis 
Lafon, Virginie 
Sykas, Dimitris 
Sarelli, Anastasia 
Prodromou, Maria 
Hadjimitsis, Diofantos G. 
Keywords: Comparison;Edge Detection;Marine Fronts;Sea Surface Temperature;Sentinel 3
Category: Civil Engineering
Field: Engineering and Technology
Issue Date: Mar-2018
Source: 6th International Conference on Remote Sensing and Geoinformation of the Environment, 2018, 26-29 March, Paphos, Cyprus
Project: Semantic EO Data Web Alert and Retrieval Framework 
Conference: 6th International Conference on Remote Sensing and Geoinformation of the Environment 
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.
DOI: 10.1117/12.2324126
Collaboration : Cyprus University of Technology
National Technical University Of Athens
Planetek Hellas
Rights: © 2018 SPIE.
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια /Conference papers - poster -presentation

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