Articles | Volume 17, issue 12
https://doi.org/10.5194/tc-17-5335-2023
https://doi.org/10.5194/tc-17-5335-2023
Research article
 | 
15 Dec 2023
Research article |  | 15 Dec 2023

A comparison of constant false alarm rate object detection algorithms for iceberg identification in L- and C-band SAR imagery of the Labrador Sea

Laust Færch, Wolfgang Dierking, Nick Hughes, and Anthony P. Doulgeris

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Cited articles

Akbari, V. and Brekke, C.: Iceberg Detection in Open and Ice-Infested Waters Using C-Band Polarimetric Synthetic Aperture Radar, IEEE T. Geosci. Remote, 56, 407–421, https://doi.org/10.1109/TGRS.2017.2748394, 2018. 
Anfinsen, S. N., Doulgeris, A. P., and Eltoft, T.: Estimation of the Equivalent Number of Looks in Polarimetric Synthetic Aperture Radar Imagery, IEEE T. Geosci. Remote, 47, 3795–3809, https://doi.org/10.1109/TGRS.2009.2019269, 2009. 
Argenti, F., Lapini, A., Bianchi, T., and Alparone, L.: A Tutorial on Speckle Reduction in Synthetic Aperture Radar Images, IEEE Geosci. Remote Sens. Mag., 1, 6–35, https://doi.org/10.1109/MGRS.2013.2277512, 2013. 
Bailey, J. and Marino, A.: Quad-Polarimetric Multi-Scale Analysis of Icebergs in ALOS-2 SAR Data: A Comparison between Icebergs in West and East Greenland, Remote Sensing, 12, 1864, https://doi.org/10.3390/rs12111864, 2020. 
Bailey, J., Marino, A., and Akbari, V.: Comparison of Target Detectors to Identify Icebergs in Quad-Polarimetric L-Band Synthetic Aperture Radar Data, Remote Sensing, 13, 1753, https://doi.org/10.3390/rs13091753, 2021. 
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Short summary
Icebergs in open water are a risk to maritime traffic. We have compared six different constant false alarm rate (CFAR) detectors on overlapping C- and L-band synthetic aperture radar (SAR) images for the detection of icebergs in open water, with a Sentinel-2 image used for validation. The results revealed that L-band gives a slight advantage over C-band, depending on which detector is used. Additionally, the accuracy of all detectors decreased rapidly as the iceberg size decreased.
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