Advancing Deep Learning for Marine Environment Monitoring
Paper I: Choi, C., Kampffmeyer, M., Handegard, N.O., Salberg, A.B., Brautaset, O., Eikvil, L. & Jenssen, R. (2021). Semisupervised Target Classification in Multi-frequency Echosounder Data. ICES Journal of Marine Science, 78(7), 2615–2627. Also available in Munin at https://hdl.handle.net/10037/22715.
Paper II: Choi, C., Kampffmeyer, M., Handegard, N.O., Salberg, A.B. & Jenssen, R. (2023). Deep Semi-supervised Semantic Segmentation in Multi-frequency Echosounder Data. IEEE Journal of Oceanic Engineering, 48(2), 384 - 400. Also available in Munin at https://hdl.handle.net/10037/29001.
Paper III: Choi, C., Yu, S., Kampffmeyer, M., Handegard, N.O., Salberg, A.B. & Jenssen, R. Deep Deterministic Information-Bottleneck Explainability on Marine Image Data. (Submitted manuscript).
Related research dataMulti-frequency echosounder data: Johnsen, E., Rieucau, G., Ona, E. & Skaret, G. (2017). Collective structures anchor massive schools of lesser sandeel to the seabed, increasing vulnerability to fishery. Marine Ecology Progress Series, 573, 29-236, available at https://doi.org/10.3354/meps12156.
PublisherUiT Norges arktiske universitet
UiT The Arctic University of Norway
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Deep Semi-Supervised Semantic Segmentation in Multi-Frequency Echosounder Data Choi, Changkyu; Kampffmeyer, Michael; Jenssen, Robert; Handegard, Nils Olav; Salberg, Arnt-Børre (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-02-01)Multi-frequency echosounder data can provide a broad understanding of the underwater environment in a non-invasive manner. The analysis of echosounder data is, hence, a topic of great importance for the marine ecosystem. Semantic segmentation, a deep learning based analysis method predicting the class attribute of each acoustic intensity, has recently been in the spotlight of the fisheries and aquatic ...
On Roald Amundsen’s scientific achievements Blix, Arnoldus S (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-25)This paper describes the significant direct and indirect contributions to science made by the Norwegian polar explorer Roald Amundsen in the period 1897–1924. It documents that his expeditions through the North-west Passage (1903–06) with Gjøa, to the South Pole (1910–12) with Fram and through the North-east Passage (1918–1920) and the Chukchi and East Siberian seas (1921–25) with Maud yielded vast ...
Biogeochemical evidence of anaerobic methane oxidation on active submarine mud volcanoes on the continental slope of the Canadian Beaufort Sea Lee, Dong-Hun; Kim, Jung-Hyun; Lee, Yung Mi; Stadnitskaia, Alina; Jin, Young Keun; Niemann, Helge; Kim, Young-Gyun; Shin, Kyung-Hoon (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-20)In this study, we report lipid biomarker patterns and phylogenetic identities of key microbial communities mediating anaerobic oxidation of methane (AOM) in active mud volcanoes (MVs) on the continental slope of the Canadian Beaufort Sea. The carbon isotopic compositions (δ13C) of sn-2- and sn-3-hydroxyarchaeol showed the highly 13C-depleted values (−114 ‰ to −82 ‰) associated with a steep depletion ...