Water-body Segmentation in Heterogeneous Hydrodynamic and Morphodynamic Structured Coastal Areas by Machine Learning

Year 2023, Volume: 10 Issue: 1, 100 - 110, 19.03.2023

İrem Gümüşçü , Furkan Altaş , Beril Türkekul , Hasan Alper Kaya , Fırat Erdem , Tolga Bakırman , Bülent Bayram

https://doi.org/10.30897/ijegeo.1119096

Cited By: 1

Abstract

Coastal areas constitute the most important part of the world when considered in terms of their socio-economic and natural values. Measuring and monitoring the coastal areas accurately is an important issue for coastal management. Compared to ground-based studies, remote sensing applications enriched with machine learning algorithms such as Random Forest (RF) and Support Vector Machine (SVM) provide significant benefits in terms of cost, time, and size of the study area. Within the scope of this study, Sentinel-2 images for five coastal areas located in Turkey with different morphological and hydrodynamic properties were classified as land and water-bodies using SVM and RF algorithms. Water-body segmentation results of the SVM and RF classification for the different band combinations of Sentinel-2 images have been compared. The reasons affecting the results of the accuracy analysis were examined in accordance with the geography of each area. Experimental results show that the utilized machine learning methods provide satisfactory results for combinations involving the NIR band in all study areas.

Keywords

Sentinel-2, shoreline extraction, Support Vector Machines, Random Forest, water-body classification

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