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2024
1 Gereb, Gabor; Austeng, Andreas; Hansen, Roy Edgar; Birkenes Lønmo, Tor Inge.
Resolution of adaptive beamformers. Scandinavian Symposium of Physical Acoustics; 2024-01-28 - 2024-01-31
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2023
2 Orescanin, Marco; Harrington, Brian; Olson, Derek R.; Geilhufe, Marc; Hansen, Roy Edgar; Warakagoda, Narada Dilp.
Uncertainty quantification with deep learning through variational inference with applications to synthetic aperture sonar. Underwater Acoustics Conference & Exhibition (UACE) 2023 s. -
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3 Orescanin, Marco; Harrington, Brian; Olson, Derek R.; Geilhufe, Marc; Hansen, Roy Edgar; Warakagoda, Narada Dilp.
Uncertainty quantification with deep learning through variational inference with applications to synthetic aperture sonar. Underwater Acoustics Conference & Exhibition (UACE); 2023-06-25 - 2023-06-30
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4 Geilhufe, Marc; Olson, Derek R.; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik.
A wavelet shrinkage approach to detect candidate point scatterers in synthetic aperture sonar images for resolution estimation. Synthetic Aperture Sonar and Synthetic Aperture Radar (SAS/SAR); 2023-09-06 - 2023-09-08
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5 Geilhufe, Marc; Olson, Derek R.; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik.
A wavelet shrinkage approach to detect candidate point scatterers in synthetic aperture sonar images for resolution estimation. I: Synthetic Aperture Sonar and Synthetic Aperture Radar 2023. UK: Institute of Acoustics 2023 ISBN 978-1-906913-44-1. s. -
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6 Gereb, Gabor; Austeng, Andreas; Hansen, Roy Edgar; Birkenes Lønmo, Tor Inge.
Performance analysis of adaptive beamformers in surveying pipelines by multi-beam echo sounders​. Underwater Acoustics Conference and Exhibition (UACE2023); 2023-06-25 - 2023-06-30
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7 Hansen, Roy Edgar.
Challenges in synthetic aperture sonar imaging of shipwrecks for change detection. Underwater Acoustics Conference & Exhibition (UACE) 2023
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8 Hansen, Roy Edgar.
Challenges in synthetic aperture sonar imaging of shipwrecks for change detection. Underwater Acoustic Conference and Exibition; 2023-06-25 - 2023-06-30
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9 Hansen, Roy Edgar.
MIMO synthetic aperture sonar: Benefits and limitations. Electronics Letters 2023 ;Volum 59.(2) s. -
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10 Orescanin, Marco; Harrington, Brian; Olson, Derek R.; Geilhufe, Marc; Hansen, Roy Edgar; Warakagoda, Narada Dilp.
A Study on the Effect of Commonly Used Data Augmentation Techniques on Sonar Image Artifact Detection Using Deep Neural Networks. IEEE International Geoscience and Remote Sensing Symposium proceedings 2023 s. 360-363
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11 Orescanin, Marko; Harrington, Brian; Olson, Derek R.; Geilhufe, Marc; Hansen, Roy Edgar; Warakagoda, Narada Dilp.
A Study on the Effect of Commonly Used Data Augmentation Techniques on Sonar Image Artifact Detection Using Deep Neural Networks. IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium; 2023-07-16 - 2023-07-21
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12 Sæbø, Torstein Olsmo; Hansen, Roy Edgar.
Adaptive phase estimation filter in long range synthetic aperture sonar interferometry. Electronics Letters 2023 ;Volum 59.(10)
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13 Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Lorentzen, Ole J..
Long-range interferometric synthetic aperture sonar. Synthetic Aperture Sonar and Synthetic Aperture Radar (SAS/SAR); 2023-09-06 - 2023-09-08
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14 Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Lorentzen, Ole J..
Long-range interferometric synthetic aperture sonar. I: Synthetic Aperture Sonar and Synthetic Aperture Radar 2023. UK: Institute of Acoustics 2023 ISBN 978-1-906913-44-1.
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15 Thon, Stine Hverven; Austeng, Andreas; Hansen, Roy Edgar.
Point detection in textured ultrasound images. Ultrasonics 2023 ;Volum 131. s. 1-10
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16 Zhang, Xuebo; Heald, Gary; Lyons, Anthony P.; Hansen, Roy Edgar; Hunter, Alan J..
Guest editorial: recent advances in synthetic aperture sonar technology. Electronics Letters 2023 ;Volum 59.(14) s. -
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2022
17 Gereb, Gabor; Hansen, Roy Edgar; Lønmo, Tor Inge Birkenes; Austeng, Andreas.
PhD project: Adaptive beamforming in underwater detection and estimation problems. Scandinavian Symposium of Physical Acoustics; 2022-01-31 - 2022-02-01
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18 Gereb, Gabor; Hansen, Roy Edgar; Lønmo, Tor Inge Birkenes; Näsholm, Sven Peter; Austeng, Andreas.
Underwater pipeline detection and localisation using multibeam echo sounder in a resolution limited case. International Conference of Underwater Acoustics; 2022-06-20 - 2022-06-23
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19 Austeng, Andreas; Näsholm, Sven Peter; Hansen, Roy Edgar; Rindal, Ole Marius Hoel.
Spatial Aperture Coherence with Synthetic Transmit Focusing in SAS. International Conference of Underwater Acoustics; 2022-06-20 - 2022-06-23
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20 Bryan, Oscar; Hansen, Roy Edgar; Haines, Tom S. F.; Warakagoda, Narada Dilp; Hunter, Alan Joseph.
Challenges of Labelling Unknown Seabed Munition Dumpsites from Acoustic and Optical Surveys: A Case Study at Skagerrak. Remote Sensing 2022 ;Volum 14.(11) s. -
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21 Crawford, Anna M; Hansen, Roy Edgar; Johnson, Sean; King, Jonathan L.; Midtgaard, Øivind; Sæbø, Torstein Olsmo; Salas, Jose Antonio; Shouldice, Emma; Smith, Sonja.
Improvements to change detection tools for SAS images. OEANS 2022 Hampton Roads; 2022-10-17 - 2022-10-20
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22 Crawford, Anna M; Hansen, Roy Edgar; Johnson, Sean; King, Jonathan L.; Midtgaard, Øivind; Sæbø, Torstein Olsmo; Salas, Jose Antonio; Shouldice, Emma; Smith, Sonja.
Improvements to change detection tools for SAS images. I: OCEANS 2022 Hampton Roads. Hampton Roads: IEEE 2022 ISBN 978-1-6654-6809-1.
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23 Gereb, Gabor; Hansen, Roy Edgar; Austeng, Andreas; Lønmo, Tor Inge Birkenes; Näsholm, Sven Peter; Rindal, Ole Marius Hoel.
Ultrasound Beamformer Benchmarking Pipeline. CIUS Fall Conference 2022; 2022-11-09 - 2022-11-10
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24 Gereb, Gabor; Hansen, Roy Edgar; Lønmo, Tor Inge Birkenes; Näsholm, Sven Peter; Austeng, Andreas; Rindal, Ole Marius Hoel.
Improving Sonar Surveying of Subsea Cables and Pipelines with Adaptive Beamforming. International Ultrasonics Symposium; 2022-10-10 - 2022-10-13
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25 Hansen, Roy Edgar.
Benefits and Limitations in MIMO Synthetic Aperture Sonar. International Conference on Underwater Acoustics; 2022-06-20 - 2022-06-23
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26 Hansen, Roy Edgar; Geilhufe, Marc; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Thon, Stine Hverven.
Detection of Coherent Scatterers in Synthetic Aperture Sonar Using Multilook Coherence. EUSAR 2022; 2022-07-25 - 2022-07-27
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27 Hansen, Roy Edgar; Geilhufe, Marc; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Thon, Stine Hverven.
Detection of Coherent Scatterers in Synthetic Aperture Sonar Using Multilook Coherence. I: EUSAR 2022. VDE Verlag GmbH 2022 ISBN 978-3-8007-5823-4. s. -
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28 Lorentzen, Ole J.; Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Hunter, Alan Joseph; Synnes, Stig Asle Vaksvik; Geilhufe, Marc.
Hypothesis testing of 3D object shapes for synthetic aperture sonar interferometry. International Conference on Underwater Acoustics; 2022-06-20 - 2022-06-23
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29 Lyons, Anthony P.; Olson, Derek R.; Hansen, Roy Edgar.
Modeling the effect of random roughness on synthetic aperture sonar image statistics. Journal of the Acoustical Society of America 2022 ;Volum 152.(3) s. 1363-1374
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30 Lønmo, Tor Inge Birkenes; Austeng, Andreas; Hansen, Roy Edgar.
Adaptive Beamforming and Autocalibration for Swath Sonars. International Conference of Underwater Acoustics; 2022-06-19 - 2022-06-23
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31 Lønmo, Tor Inge Birkenes; Austeng, Andreas; Hansen, Roy Edgar.
Adaptive Beamforming and Autocalibration for Swath Sonars. Scandinavian Symposium of Physical Acoustics; 2022-01-31 - 2022-02-01
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32 Rindal, Ole Marius Hoel; Näsholm, Sven Peter; Hansen, Roy Edgar; Austeng, Andreas.
Compensating Dynamic Range Alterations from Adaptive Beamforming using Histogram Matching. International Conference of Underwater Acoustics; 2022-06-20 - 2022-06-23
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33 Rindal, Ole Marius Hoel; Näsholm, Sven Peter; Hansen, Roy Edgar; Austeng, Andreas.
Image Enhancement Using Capon Minimum Variance Adaptive Beamforming in Synthetic Aperture Sonar. International Conference of Underwater Acoustics; 2022-06-20 - 2022-06-23
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34 Synnes, Stig Asle Vaksvik; Geilhufe, Marc; Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Lorentzen, Ole J..
Investigation of layover in interferometry. International Conference on Underwater Acoustics; 2022-06-20 - 2022-06-23
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35 Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Lyons, Anthony P..
Synthetic aperture sonar multi-aspect differential interferometry for detection of internal waves. EUSAR 2022; 2022-07-25 - 2022-07-27
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36 Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Lyons, Anthony P..
Synthetic aperture sonar multi-aspect differential interferometry for detection of internal waves. I: EUSAR 2022. VDE Verlag GmbH 2022 ISBN 978-3-8007-5823-4. s. 277-282
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37 Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik.
Phase ambiguities in Synthetic Aperture Sonar Interferometry. OCEANS 2022 Hampton Roads; 2022-10-17 - 2022-10-20
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38 Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik.
Phase ambiguities in Synthetic Aperture Sonar Interferometry. I: OCEANS 2022 Hampton Roads. Hampton Roads: IEEE 2022 ISBN 978-1-6654-6809-1.
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39 Thon, Stine Hverven; Hansen, Roy Edgar; Austeng, Andreas.
Point Detection in Ultrasound Using Prewhitening and Multilook Optimization. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2022 ;Volum 69.(6) s. 2085-2097
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2021
40 Blachet, Antoine; Austeng, Andreas; Aparicio, Joaquin; Hunter, Alan Joseph; Hansen, Roy Edgar.
Multibeam Echosounder With Orthogonal Waveforms: Feasibility and Potential Benefits. IEEE Journal of Oceanic Engineering 2021 s. -
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41 La Manna, Nicolas; Lyons, Anthony P.; Hansen, Roy Edgar.
The effect of internal waves on synthetic aperture sonar resolution. Underwater Acoustic Conference and Exibition; 2021-06-20
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42 Lorentzen, Ole J.; Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Geilhufe, Marc.
3D rendering of shipwrecks from synthetic aperture sonar. Underwater Acoustic Conference and Exibition; 2021-06-20
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43 Lorentzen, Ole Jacob; Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Geilhufe, Marc.
3D Rendering of Shipwrecks from Synthetic Aperture Sonar. Proceedings of Meetings on Acoustics (POMA) 2021
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44 Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar; Sæbø, Torstein Olsmo.
Spatial coherence of speckle for repeat-pass synthetic aperture sonar micronavigation. IEEE Journal of Oceanic Engineering 2021 ;Volum 46.(4) s. 1330-1345
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45 Thon, Stine Hverven; Hansen, Roy Edgar; Austeng, Andreas.
Detection of Point Scatterers in Medical Ultrasound. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2021
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2020
46 Lorentzen, Ole Jacob; Sæbø, Torstein Olsmo; Hansen, Roy Edgar.
Backscatter Features for Estimating Synthetic Aperture Sonar Bathymetry. OCEANS 2020
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47 Lorentzen, Ole Jacob; Sæbø, Torstein Olsmo; Hansen, Roy Edgar.
Backscatter Features for Estimating Synthetic Aperture Sonar Bathymetry. IEEE Global Oceans 2020; 2020-10-05 - 2020-10-30
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48 Lønmo, Tor Inge Birkenes; Austeng, Andreas; Hansen, Roy Edgar.
Data-Driven Autocalibration for Swath Sonars. IEEE Journal of Oceanic Engineering 2020 s. -
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49 Lønmo, Tor Inge Birkenes.
Adaptive Beamforming and Autocalibration for Swath Sonars. Universitetet i Oslo 2020 178 s. Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.(2243)
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50 Otnes, Roald Wilhelm; Hansen, Roy Edgar.
Estimating the spatial coherence of narrowband underwater acoustic signals. International Conference on Underwater Acoustics; 2020-11-09 - 2020-11-09
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