Publications

Annual reports

Annual report 2020 (PDF)

Annual report 2021 (PDF)

Annual report 2022 (PDF)

Annual report 2023 (PDF)

Publications from Cristin

Nonlinear crosstalk in broadband multi-channel echosounders.

Khodabandeloo, Babak; Ona, Egil; Macaulay, Gavin; Korneliussen, Rolf. 2021, Journal of the Acoustical Society of America.

Academic article

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In situ calibration of observatory broadband echosounders.

Ona, Egil; Zhang, Guosong; Pedersen, Geir; Johnsen, Espen. 2020, ICES Journal of Marine Science.

Academic article

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CRIMAC cruise report 2020116.

Ona, Egil; Handegard, Nils Olav; Johnsen, Espen; Kubilius, Rokas; Korneliussen, Rolf; Pedersen, Geir; Totland, Atle; Rosen, Shale; Underwood, Melanie; Andersen, Lars N et al.. 2021

Report

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Fisheries acoustics and Acoustic Target Classification - Report from the COGMAR/CRIMAC workshop on machine learning methods in fisheries acoustics.

Handegard, Nils Olav; Andersen, Lars Nonboe; Brautaset, Olav; Choi, Changkyu; Eliassen, Inge Kristian; Heggelund, Yngve; Hestnes, Arne Johan; Malde, Ketil; Osland, Håkon; Ordonez, Alba et al.. 2021

Report

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Betre ekkolodd vil gi betre forståing av våre marine økosystem.

Handegard, Nils Olav; Algrøy, Tonny; Ona, Egil. 2021, Skipsrevyen.

Feature article

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Semi-supervised target classification in multi-frequency echosounder data.

Choi, Changkyu; Kampffmeyer, Michael; Handegard, Nils Olav; Salberg, Arnt Børre; Brautaset, Olav; Eikvil, Line; Jenssen, Robert. 2021, ICES Journal of Marine Science.

Academic article

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Tuning in to the sounds of the sea.

Ona, Egil. 2020

Interview

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Digital future for ocean research.

Huse, Geir; Handegard, Nils Olav. 2021

Interview

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Jubel for tildeling: HI skal lede nytt innovasjonssenter.

Hommedal, Stine. 2020, www.hi.no.

Feature article

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Sjøsatte senter for forskningsinnovasjon med omfattende sildetokt i nord.

Lorentzen, Erlend Astad. 2020, www.hi.no.

Feature article

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Har gitt sonaren evne til å beregne hvor mange tonn fisk den ser.

Lorentzen, Erlend Astad. 2021, www.hi.no.

Feature article

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Smart Fisheries in Norway: Partnership between Science, Technology, and the Fishing Sector.

Handegard, Nils Olav; Algrøy, Tonny; Eikvil, Line; Hammersland, Hege; Tenningen, Maria; Ona, Egil. 2021, Journal of Ocean Technology.

Article in business/trade/industry journal

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Arbeidet hans sparer forskerne for store ressurser, og åpner for et selvstyrt fiskeri.

Handegard, Nils Olav; Choi, Changkyu. 2021

Interview

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CRIMAC - Center for Research-based Innovation in Marine Acoustic Abundance Estimation and Backscatter Classification.

Handegard, Nils Olav; Forland, Tonje Nesse; Johnsen, Espen; Pedersen, Geir; Tenningen, Maria; Ona, Egil. 2021, ICES WGFAST and ICES-FAO WGFTFB.

Academic lecture

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Direct measurements of the migration speed of spawning herring.

Ona, Egil; Zhang, Guosong; Handegard, Nils Olav; Berg, Sverre; Andersen, Lars N. 2021, ICES WGFAST and ICES-FAO WGFTFB.

Academic lecture

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Nonlinear higher harmonics and crosstalk in broadband multi-channels echosounders.

Khodabandeloo, Babak; Ona, Egil; Macaulay, Gavin; Korneliussen, Rolf. 2021, ICES WGFAST and ICES-FAO WGFTFB.

Academic lecture

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Echo sounder developments during my scientific life, - from EK38 to EK80, some significant steps.

Ona, Egil. 2021, ICES WGFAST and ICES-FAO WGFTFB.

Academic lecture

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Ny teknologi kan gjøre at forskerne slipper å ta fisken om bord.

Tenningen, Maria; Hammersland, Hege. 2021

Interview

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Machine Learning + Marine Science: Critical Role of Partnerships in Norway.

Handegard, Nils Olav; Eikvil, Line; Jenssen, Robert; Kampffmeyer, Michael; Salberg, Arnt Børre; Malde, Ketil. 2021, Journal of Ocean Technology.

Article in business/trade/industry journal

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CRIMAC - Annual Report 2020.

Ona, Egil; Handegard, Nils Olav; Pedersen, Geir; Forland, Tonje Nesse; Tenningen, Maria; Johnsen, Espen. 2021

Report

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Mesopelagic flesh shear viscosity estimation from in situ broadband backscattering measurements by a viscous-elastic model inversion.

Khodabandeloo, Babak; Agersted, Mette Dalgaard; Klevjer, Thor A.; Pedersen, Geir; Melle, Webjørn Raunsgård. 2021, ICES Journal of Marine Science.

Academic article

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Semi-supervised Semantic Segmentation in Multi-frequency Echosounder Data.

Choi, Changkyu; Kampffmeyer, Michael; Handegard, Nils Olav; Salberg, Arnt Børre; Eikvil, Line; Jenssen, Robert. 2021, SFI Visual Intelligence days 2021 .

Poster

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Improving marine acoustic target classification with context information.

Utseth, Ingrid; Ordonez, Alba; Eikvil, Line; Brautaset, Olav; Salberg, Arnt-Børre; Handegard, Nils Olav. 2021, Visual Intelligence Days 2021.

Poster

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Using model averaging ensembles in semantic segmentation of marine echosounder data for acoustic classification of species .

Ordonez, Alba; Utseth, Ingrid; Eikvil, Line; Handegard, Nils Olav. 2021, NOBIM 2021.

Academic lecture

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A real-world dataset and data simulation algorithm for automated fish species identification.

Allken, Vaneeda; Rosen, Shale Pettit; Handegard, Nils Olav; Malde, Ketil. 2021, Geoscience Data Journal.

Academic article

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A deep learning-based method to identify and count pelagic and mesopelagic fishes from trawl camera images.

Allken, Vaneeda; Rosen, Shale Pettit; Handegard, Nils Olav; Malde, Ketil. 2021, ICES Journal of Marine Science.

Academic article

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Forskerne er i full gang med å bruke kunstig intelligens i trålen.

Allken, Vaneeda; Rosen, Shale. 2022

Interview

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Fisken som leikar i havet.

Handegard, Nils Olav. 2021, Fiskeribladet.

Reader opinion piece

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Datamaskin lærte å sjå forskjell på sild og makrell i trålen.

Mæland, Runar Bjørkvik; Allken, Vaneeda; Rosen, Shale. 2022

Interview

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Test of Deep Vision in-trawl camera during 2021 IESSNS (IMR, Norway).

Vatnehol, Sindre; Rosen, Shale Pettit; Allken, Vaneeda. 2022, WGIPS online meeting.

Academic lecture

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Deep Vision stereo in-trawl camera system.

Rosen, Shale Pettit; Allken, Vaneeda. 2022, ICES Working Group on International Deep Pelagic Ecosystem Surveys (WGIDEEPS) meeting .

Academic lecture

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Combined trawl-mounted optic and acoustic methods to study the mesopelagic ecosystem.

Rosen, Shale Pettit; Garcia Seoane, Eva; Underwood, Melanie; Klevjer, Thor Aleksander; Macaulay, Gavin John; Agersted, Mette Dalgaard; Melle, Webjørn Raunsgård; Handegard, Nils Olav; Malde, Ketil; Allken, Vaneeda. 2021, e ICES-FAO Working Group on Fishing Technology and Fish Behaviour [WGFTFB] and the Working Group on Fisheries Acoustics Science and Technology [WGFAST] (JFATB).

Academic lecture

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Deep learning models for fisheries acoustic target classification.

Handegard, Nils Olav. 2022, Scandinavian Symposium on Physical Acoustics.

Academic lecture

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Acoustically induced nonlinear crosstalk in broadband echosounders.

Khodabandeloo, Babak; Ona, Egil; Macaulay, Gavin; Korneliussen, Rolf. 2022, Scandinavian Symposium on Physical Acoustics.

Academic lecture

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Application of backscattering models for targetstrength measurement of T. mediterraneus and S. colias in the Mediterranean Sea.

Palermino, Antonio; Pedersen, Geir; Korneliussen, Rolf; De Felice, Andrea; Leonori, Lole. 2022, Scandinavian Symposium on Physical Acoustics.

Academic lecture

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Dei nye breibandsekkolodda fangar opp enorme mengder informasjon frå vannsøyla.

Forland, Tonje Nesse. 2021

Interview

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Mid-summer vertical behavior of a high-latitude oceanic zooplankton community.

Bandara, Kanchana; Basedow, Sünnje Linnéa; Pedersen, Geir; Tverberg, Vigdis. 2022, Journal of Marine Systems.

Academic article

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Joint survey report for CRIMAC SFI and IMR sampling gear project.

Handegard, Nils Olav; Tenningen, Maria. 2022

Report

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Finite-amplitude sound propagation effects in fish abundance estimation.

Pedersen, Audun Oppedal; Lunde, Per; Korneliussen, Rolf; Tichy, Frank. 2022

Academic chapter/article/Conference paper

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Finite-amplitude sound propagation effects in volume backscattering measurements for fish abundance estimation.

Pedersen, Audun Oppedal; Lunde, Per; Tichy, Frank; Korneliussen, Rolf. 2022, Acta Acustica.

Academic article

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Gas-baldder elongation estimation of mesopelagic organisms from wideband target strength frequency response.

Khodabandeloo, Babak; Ona, Egil; Pedersen, Geir; Korneliussen, Rolf; Melle, Webjørn Raunsgård; Klevjer, Thor A.. 2022, WGFAST - Working Group on Fisheries Acoustics Science and Technology.

Academic lecture

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Evaluation of echosounder data preparation strategies for modern machine learning models.

Ordonez, Alba; Utseth, Ingrid; Brautaset, Olav; Korneliussen, Rolf; Handegard, Nils Olav. 2022, Fisheries Research.

Academic article

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Mesopelagic fish gas bladder elongation, as estimated from wideband acoustic backscattering measurements.

Khodabandeloo, Babak; Ona, Egil; Pedersen, Geir; Korneliussen, Rolf; Melle, Webjørn Raunsgård; Klevjer, Thor Aleksander. 2022, Journal of the Acoustical Society of America.

Academic article

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Kayak Drone – a silent acoustic unmanned surface vehicle for marine research.

Totland, Atle; Johnsen, Espen. 2022, Frontiers in Marine Science.

Academic article

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Developing and deploying machine learning methods for acoustic data.

Handegard, Nils Olav; Brautaset, Olav; Choi, Changkyu; Furmanek, Tomasz; Hestnes, Arne Johan; Johnsen, Espen; Ordonez, Alba; Utseth, Ingrid; Vatnehol, Sindre; Huse, Geir. 2022, WGFAST - Working Group on Fisheries Acoustics Science and Technology.

Academic lecture

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Monitoring salmon with broad band echo sounders – investigate acoustic parameters as indicators for welfare.

Rong, Maren F.; Oppedal, Frode; Pedersen, Geir; Handegard, Nils Olav; Forland, Tonje Nesse. 2022, WGFAST - Working Group on Fisheries Acoustics Science and Technology.

Academic lecture

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Quantitative processing of broadband data as implemented in a scientific split-beam echosounder.

Andersen, Lars N; Chu, Dezhang; Handegard, Nils Olav; Heimvoll, Harald; Korneliussen, Rolf; Macaulay, Gavin; Ona, Egil; Patel, Ruben; Pedersen, Geir. 2022, WGFAST - Working Group on Fisheries Acoustics Science and Technology.

Academic lecture

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CRIMAC - Annual Report 2021.

Handegard, Nils Olav; Pedersen, Geir; Forland, Tonje Nesse; Tenningen, Maria; Johnsen, Espen. 2022

Report

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Improving marine acoustic target classification with spatial information.

Ordonez, Alba. 2022, online FORMAL mini-conference on Machine Learning for Marine Sciences (ML4MS).

Academic lecture

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Improving marine acoustic target classification with context information.

Utseth, Ingrid; Ordonez, Alba; Eikvil, Line; Brautaset, Olav; Salberg, Arnt Børre; Handegard, Nils Olav. 2022, ICES Annual Science Conference 2022.

Poster

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The application of CW and FM sonar technology to detect a decrease in air in the swim bladder of Atlantic salmon, measurements and modeling. Master thesis.

Rong, Maren F.; Lunde, Per; Forland, Tonje Nesse; Oppedal, Frode; Pedersen, Geir. 2022

Masters thesis

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Study of the acoustic reflectivity of pelagic fishes in the Mediterranean Sea: from ex-situ experiments to backscattering model.

Palermino, Antonio; De Felice, Andrea; Pedersen, Geir; Canduci, Giovanni; Biagotti, Ilaria; Costantini, Ilaria; Centurelli, Michele; Korneliussen, Rolf; Leonori, Iole. 2022, WGFAST - Working Group on Fisheries Acoustics Science and Technology.

Academic lecture

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Spatiotemporal Variation in the Density Distribution of Sprat (Sprattus Sprattus) in Hardangerfjorden and Sognefjorden.

Jarl Skåtøy Stiti, Daniel; Johnsen, Espen; Kvamme, Cecilie; Folkvord, Arild. 2022, Universitetet i Bergen.

Masters thesis

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Selecting Maximally Informative Frequency Subsets for Acoustic Surveys.

Malde, Ketil; Handegard, Nils Olav; Holager, Knut T. A.. 2022, Universitetet i Bergen.

Masters thesis

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Simulation-based methods of sphere selection for calibration of broadband echosounders in fisheries acoustics. Master thesis.

Veim, Miranda Ruth; Lunde, Per; Forland, Tonje Nesse; Pedersen, Geir. 2022

Masters thesis

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Remote acoustic sizing of tethered fish using broadband acoustics.

Kubilius, Rokas; Bergès, Benoît; Macaulay, Gavin John. 2023, Fisheries Research.

Academic article

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Taxonomical classification of reef fish with broadband backscattering models and machine learning approaches.

Roa, Camilo; Pedersen, Geir; Bollinger, Michael; Taylor, Christopher; Boswell, Kevin M.. 2022, Journal of the Acoustical Society of America.

Academic article

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Inverse method applied to autonomous broadband hydroacoustic survey detects higher densities of zooplankton in near-surface aggregations than vessel-based net survey.

Dunn, Muriel Barbara; Pedersen, Geir; Basedow, Sünnje Linnéa; Daase, Malin; Falk-Petersen, Stig; Bachelot, Loic; Camus, Lionel; Geoffroy, Maxime. 2022, Canadian Journal of Fisheries and Aquatic Sciences.

Academic article

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Welfare indicators of Atlantic Salmon (Salmo salar) observed with broadband acoustic in a submerged cage.

Utne Berg, Kristin; Oppedal, Frode; Forland, Tonje Nesse; Fiksen, Øyvind. 2022, Universitetet i Bergen.

Masters thesis

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Using split beam, broadband acoustics to measure behaviour of salmon in normal and sea lice preventative submerged cages with either air dome or bubbles for swim bladder refilling.

Kahrs Skaale, Cecilie; Oppedal, Frode; Forland, Tonje Nesse; Salvanes, Anne Gro Vea. 2023, Universitetet i Bergen.

Masters thesis

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Deep Semisupervised Semantic Segmentation in Multifrequency Echosounder Data.

Choi, Changkyu; Kampffmeyer, Michael; Handegard, Nils Olav; Salberg, Arnt-Børre; Jenssen, Robert. 2023, IEEE Journal of Oceanic Engineering.

Academic article

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Deep Learning for Acoustic Target Classification: Addressing Class-Imbalance with a Similarity-Based Sampling Approach.

Pala, Ahmet; Oleynik, Anna; Handegard, Nils Olav; Alendal, Guttorm. 2023, Geilo Winter School.

Poster

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Monitoring salmon with broad band echo sounders – investigate acoustic parameters as indicators for welfare.

Forland, Tonje Nesse; Rong, Maren F.; Oppedal, Frode; Øyerhamn, Rune; Pedersen, Geir. 2023, Scandinavian Symposium on Physical Acoustics.

Academic lecture

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Behaviour dependent broadband backscattering by physostomous fish (Clupea harengus L.).

Pedersen, Geir; Handegard, Nils Olav; Johnsen, Espen. 2023, Scandinavian Symposium on Physical Acoustics.

Academic lecture

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Resolving and characterizing nearby targets by means of broadband acoustics.

Khodabandeloo, Babak; Pedersen, Geir; Forland, Tonje Nesse; Korneliussen, Rolf; Handegard, Nils Olav. 2023, Scandinavian Symposium on Physical Acoustics.

Academic lecture

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Estimation and removal of acoustic broadband noise.

Korneliussen, Rolf; Heggelund, Yngve; Eliassen, Inge Kristian. 2023, Scandinavian Symposium on Physical Acoustics.

Academic lecture

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Centre for research based innovation in marine acoustic abundance estimation and backscatter classification (CRIMAC).

Handegard, Nils Olav; Algrøy, Tonny; Eliassen, Inge Kristian; Forland, Tonje Nesse; Johnsen, Espen; Pedersen, Audun Oppedal; Pedersen, Geir; Tenningen, Maria; Utseth, Ingrid. 2023, Geilo Winter School.

Poster

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CRIMAC cruise report: Development of acoustic and optic methods for underwater target calssification - G.O. Sars 22.11 - 03.12 2022.

Handegard, Nils Olav; Tenningen, Maria; Bildøy, Leif; Corneliussen, Jon Even; Esmail, Kameran; Heinsdorf, Jens; Khodabandeloo, Babak; Korneliussen, Rolf; Kubilius, Rokas; Kvalvik, Liz Beate Kolstad et al.. 2023

Report

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Forsker Ingrid har vært på tokt.

Løland, Anders; Utseth, Ingrid. 2023

Programme management

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Similarity-Based Data Selection to Improve Automatic Acoustic Target Classification.

Pala, Ahmet; Oleynik, Anna; Handegard, Nils Olav; Alendal, Guttorm. 2023, Foundations of Computational Mathematics (FoCM) 2023.

Poster

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Spatiotemporal variation in the growth and size distributions of lesser sandeel (Ammodytes marinus) in the north-eastern North Sea.

Berge, Daniel; Johnsen, Espen; Tenningen, Maria. 2023, Universitetet i Bergen.

Masters thesis

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Object Tracking Approach for Catch Estimation on Trawl Surveys.

Liessem, Peter Løkhammer; Malde, Ketil; Allken, Vaneeda. 2023, Universitetet i Bergen.

Masters thesis

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Biological premises for salmon offshore farming.

Oppedal, Frode; Hvas, Malthe; Folkedal, Ole. 2023, EAS 2023.

Academic lecture

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Mitigating Class-Imbalance in Acoustic Target Classification for Fisheries via Similarity-Based Data Selection.

Pala, Ahmet; Oleynik, Anna; Handegard, Nils Olav; Alendal, Guttorm. 2023, ICES ANNUAL SCIENCE CONFERENCE 2023.

Poster

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Machine learning in marine ecology: an overview of techniques and applications.

Rubbens, Peter; Brodie, Stephanie; Cordier, Tristan; Desto Barcellos, Diogo; DeVos, Paul; Fernandes-Salvador, Jose A; Fincham, Jennifer; Gomes, Alessandra; Handegard, Nils Olav; Howell, Kerry L. et al.. 2023, ICES Journal of Marine Science.

Academic article

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How to obtain clear images from in-trawl cameras near the seabed? A case study from the Barents Sea demersal fishing grounds.

Tenningen, Maria; Rosen, Shale; Westergerling, Eugenie Heliana Taraneh; Handegard, Nils Olav. 2023, Fisheries Research.

Academic article

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Breibandsekkolodd: Kor stor er laksen?.

Forland, Tonje Nesse; Kjøllesdal, Bente Kristin Rundereim. 2023

Interview

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Addressing class imbalance in deep learning for acoustic target classification.

Pala, Ahmet; Oleynik, Anna; Utseth, Ingrid; Handegard, Nils Olav. 2023, ICES Journal of Marine Science.

Academic article

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Deep learning landscape 1: Neural networks basic.

Choi, Changkyu. 2023, HIBRAIN workshop.

Academic lecture

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Deep learning landscape 2: Image tasks and CNNs.

Choi, Changkyu. 2023, HIBRAIN workshop.

Academic lecture

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Deep learning landscape 3: Explainable deep learning.

Choi, Changkyu. 2023, HIBRAIN workshop.

Academic lecture

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Deep learning landscape 4: Transformers and their applicability in the marine domain now and in the near future.

Choi, Changkyu. 2023, HIBRAIN workshop.

Academic lecture

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Deep Semi-supervised Semantic Segmentation in Multi-frequency Echosounder Data.

Choi, Changkyu; Kampffmeyer, Michael Christian; Handegard, Nils Olav; Salberg, Arnt-Børre; Jenssen, Robert. 2023, VI days 2023.

Poster

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Investigation of broadband acoustic to resolve and identify nearby targets using different pulse durations .

Khodabandeloo, Babak; Pedersen, Geir; Forland, Tonje Nesse; Korneliussen, Rolf; Handegard, Nils Olav. 2023, From Echosounders to the Cloud: Transforming Acoustic Data to Information.

Lecture

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Bridging the gap between theory and practice in AI.

Allken, Vaneeda. 2023, Joint CEDAS-NORBIS Summer School on data science and its biomedical applications.

Lecture

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Direct measurements of the migration speed of spawning herring.

Ona, Egil; Zhang, Guosong; Vatnehol, Sindre; Berg, Sverre; Andersen, Lars Nonboe; Handegard, Nils Olav. 2023, From Echosounders to the Cloud: Transforming Acoustic Data to Information.

Poster

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Salmon lice preventative technology - fact finding studies from small to large scale .

Oppedal, Frode; Stien, Lars Helge; Oldham, Tina Marie Wier; Bui, Samantha; Barrett, Luke T.. 2023, EU/ ESFA fact finding study fish welfare.

Lecture

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Learning from weakly labelled marine acoustic data.

Brautaset, Olav; Utseth, Ingrid; Eikvil, Line; Salberg, Arnt-Børre; Handegard, Nils Olav. 2023, Visual Intelligence Days.

Poster

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Learning from weakly labelled marine acoustic data.

Brautaset, Olav; Utseth, Ingrid; Eikvil, Line; Salberg, Arnt-Børre; Handegard, Nils Olav. 2023, Visual Intelligence Days.

Academic lecture

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Estimation and removal of noise in broadband echosounders.

Korneliussen, Rolf; Eliassen, Inge Kristian; Heggelund, Yngve. 2023, From Echosounders to the Cloud: Transforming Acoustic Data to Information.

Academic lecture

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A story about data extraction and deep learning applied to fishery acoustic data.

Handegard, Nils Olav; Bildøy, Leif; Brautaset, Olav; Furmanek, Tomasz; Holmin, Arne Johannes; Utseth, Ingrid; Vatnehol, Sindre; Malde, Ketil. 2023, From Echosounders to the Cloud: Transforming Acoustic Data to Information.

Academic lecture

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Nytt selvgående forskningsfartøy testes i Hardangerfjorden.

Johnsen, Espen; Handegard, Nils Olav; Fagerbakke, Christine. 2023

Interview

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Towards a multi-platform armada strategy for ecosystem based marine surveys.

Johnsen, Espen; Handegard, Nils Olav; Totland, Atle; Holmin, Arne Johannes; Kvamme, Cecilie; Salthaug, Are; Huse, Geir. 2023, From Echosounders to the Cloud: Transforming Acoustic Data to Information..

Academic lecture

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Skal måle lengden på fisken med bredbåndsekkolodd.

Pena, Hector; Lorentzen, Erlend Astad. 2023

Interview

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Armadastrategi og digitalisering.

Handegard, Nils Olav. 2023, Geilomøtet.

Lecture

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IMRs strategy for unmanned vehicles.

Handegard, Nils Olav. 2023, Geilomøtet.

Lecture

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Visual Intelligence – Marine science.

Handegard, Nils Olav. 2023, Visual Intelligence Days 2023.

Lecture

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Model-informed classification of broadband acoustic backscatter from zooplankton in an in situ mesocosm.

Dunn, Muriel; McGowan-Yallop, Chelsey; Pedersen, Geir; Falk-Petersen, Stig; Daase, Malin; Last, Kim; Langbehn, Tom J.; Fielding, Sophie; Brierley, Andrew S.; Cottier, Finlo et al.. 2023, ICES Journal of Marine Science.

Academic article

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Quantitative processing of broadband data as implemented in a scientific split-beam echosounder.

Andersen, Lars Nonboe; Chu, Dezhang; Handegard, Nils Olav; Heimvoll, Harald; Korneliussen, Rolf; Macaulay, Gavin; Ona, Egil; Patel, Ruben; Pedersen, Geir. 2023, Methods in Ecology and Evolution.

Academic article

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Triangulation method for measurement of fisheries echosounder two-way equivalent beam solid angle, 𝜓. Master thesis.

Løland, Robert; Lunde, Per; Pedersen, Audun Oppedal; Korneliussen, Rolf. 2023

Masters thesis

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Applications and analytical approaches using imaging sonar for quantifying behavioural interactions among aquatic organisms and their environment.

Munnelly, Ryan T.; Castillo, Jose Carlos; Handegard, Nils Olav; Kimball, Matthew E.; Boswell, Kevin M.; Rieucau, Guillaume. 2023, ICES Journal of Marine Science.

Academic article

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Unraveling Acoustic Signal Patterns in Fisheries Through DINO-Based Self-Supervised Learning.

Pala, Ahmet; Oleynik, Anna; Malde, Ketil; Handegard, Nils Olav. 2024, 94th Annual Meeting of The International Association of Applied Mathematics and Mechanics (GAMM).

Academic lecture

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Survey report for CRIMAC SFI 2023.

Handegard, Nils Olav; Allken, Vaneeda; Holmin, Arne Johannes; Johnsen, Espen; Korneliussen, Rolf; Pedersen, Geir; Skjefstad, Joakim; Rogge, Rabea Patricia; Samuelsen, Mikal Arntzen; Tenningen, Maria et al.. 2024

Report

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Annotation-Free Feature Learning for Improved Acoustic Target Classification.

Pala, Ahmet; Oleynik, Anna; Malde, Ketil; Handegard, Nils Olav. 2024, SFI Visual Intelligence Seminar.

Academic lecture

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Broadband backscattering by Atlantic herring (Clupea harengus L.) differs when measured from a research vessel vs. a silent uncrewed surface vehicle.

Pedersen, Geir; Johnsen, Espen; Khodabandeloo, Babak; Handegard, Nils Olav. 2024, ICES Journal of Marine Science.

Academic article

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Fisheries acoustics and deep learning.

Handegard, Nils Olav; Bildøy, Leif; Brautaset, Olav; Furmanek, Tomasz; Holmin, Arne Johannes; Utseth, Ingrid; Malde, Ketil. 2024, International Conference on Marine Data and Information Systems - IMDIS.

Academic lecture

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Testet selvgående fartøy i nordlige strøk.

Handegard, Nils Olav; Fagerbakke, Christine. 2024

Interview

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Exploring the impact of Fourier window lengthon target strength frequency response estimation in broadband echosounders.

Khodabandeloo, Babak; Pedersen, Geir; Forland, Tonje Nesse; Korneliussen, Rolf; Handegard, Nils Olav. 2024, 47th Scandinavian Symposium on Physical Acoustics.

Academic lecture

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Effects of pulse duration on nonlinear crosstalk in wideband backscattering measurements.

Khodabandeloo, Babak; Pedersen, Geir; Forland, Tonje Nesse; Korneliussen, Rolf. 2024, WGFAST - ICES Working Group on Fisheries Acoustics, Science and Technology.

Academic lecture

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Behaviour and platform dependent broadband backscattering by physostome fish (Clupea harengus L.) revisited.

Pedersen, Geir; Khodabandeloo, Babak; Johnsen, Espen; Handegard, Nils Olav. 2024, WGFAST - ICES Working Group on Fisheries Acoustics, Science and Technology.

Academic lecture

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Testing acoustic data quality and performance on Sounder USV.

Handegard, Nils Olav; Holmin, Arne Johannes; Johnsen, Espen; Korneliussen, Rolf; Pedersen, Geir; Skjefstad, Joakim; Rogge, Rabea Patricia; Samuelsen, Mikal Arntzen. 2024, WGFAST - ICES Working Group on Fisheries Acoustics, Science and Technology.

Academic lecture

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Har lykkes med å "se" enkeltmakrell på 100 meters avstand.

Pena, Hector. 2023

Briefs

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Pulse duration, frequency band, and sweep direction effects on crosstalk in wideband backscattering measurements.

Khodabandeloo, Babak; Pedersen, Geir; Forland, Tonje Nesse; Korneliussen, Rolf. 2024, Journal of the Acoustical Society of America.

Academic article

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Active acoustics on a glider : scientific and technological challenges.

Pedersen, Geir. 2024, EGO Webinar on glider collaboration at global level.

Academic lecture

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Broadband underwater acoustic signal processing.

Pedersen, Geir. 2023, HTEK301 - Selected Topics in Ocean Technology lecture (UiB) .

Academic lecture

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Acoustic interpretation for Calanus in real time and post processing methods.

Pedersen, Geir. 2024, SFI Harvest Workshop - Collaborative multiagent networks for zooplankton detection and estimation.

Academic lecture

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Advancing Fisheries Acoustics: The Role of CRIMAC in Expanding Applications through Innovative Technologies.

Pedersen, Geir. 2024, OCEANOLOGY INTERNATIONAL 2024.

Academic lecture

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Presentation of SFI CRIMAC.

Handegard, Nils Olav. 2024, SFI Smart Ocean Seminar series.

Academic lecture

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Uncrewed surface vehicles (USVs) as platforms for fisheries and plankton acoustics.

Handegard, Nils Olav; De Robertis, Alex; Holmin, Arne Johannes; Johnsen, Espen; Lawrence, Joshua; Le Bouffant, Naig; O'driscoll, Richard; Peddie, David; Pedersen, Geir; Priou, Pierre et al.. 2024, ICES Journal of Marine Science.

Academic article

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Projects at IMR relying on large scale analysis of acoustic data.

Pedersen, Geir. 2024, CRIMAC workshop .

Academic lecture

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Pipeline for testing convolutional neural networks for Acoustic Trawl Surveys.

Holmin, Arne Johannes; Pala, Ahmet. 2024, NOT CACHED CRIMAC Workshop on data processing methods for large volumes of plankton and fisheries-acoustics data.

Academic lecture

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Processing of large datasets using python and Korona.

Eliassen, Inge Kristian; Malde, Ketil. 2024, CRIMAC Workshop on data processing methods for large volumes of plankton and fisheries-acoustics data.

Academic lecture

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Bedre fangstkontroll med trålkamera og kunstig intelligens.

Tenningen, Maria. 2024, Nor Fishing 2024 - Forskningstorget.

Academic lecture

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Classifying fish with broadband acoustics; behaviour and platform dependent broadband backscattering by physostomous fish (Clupea harengus L.). From Echosounders to the Cloud: Transforming Acoustic Data to Information.

Pedersen, Geir; Handegard, Nils Olav; Khodabandeloo, Babak; Johnsen, Espen. 2023, ICES Fisheries and Acoustics Symposium.

Poster

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Action plan for implementing USV in acoustic trawl surveys. CRIMAC – Workshop on Fisheries acoustics and Uncrewed Surface Vehicles.

Johnsen, Espen. 2023, CRIMAC – Workshop on Fisheries acoustics and Uncrewed Surface Vehicles.

Academic lecture

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Visual Intelligence – Marine science. Visual intelligence days.

Handegard, Nils Olav. 2024, Visual Intelligence (VI) Days 2024.

Academic lecture

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Analysing large amounts of echosounder data using cloud based data access combined with deep learning models.

Handegard, Nils Olav; Bildøy, Leif; Brautaset, Olav; Furmanek, Tomasz; Holmin, Arne Johannes; Pala, Ahmet; Utseth, Ingrid; Malde, Ketil. 2024, ICES Annual Science Conference.

Academic lecture

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Identifying size and behavior of Mueller’s Pearlside (Maurolicus muelleri) by combining measured broadband frequency responses with backscattering models and in-trawl observations .

Tenningen, Maria; Pedersen, Geir; Khodabandeloo, Babak; Handegard, Nils Olav; Forland, Tonje Nesse; Klevjer, Thor A.; Johnsen, Espen. 2024, ICES Annual Science Conference.

Academic lecture

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Examples of AI and Machine Learning methods applied to data from marine ecosystems.

Handegard, Nils Olav. 2024, SAMSAS tekniksprångsserie.

Academic lecture

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