2023
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1. |
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 FFI
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2. |
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. p. - FFI
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Prater, James; Byrner, Darshan; Synnes, Stig Asle Vaksvik. Shadow based phase gradient autofocus for synthetic aperture sonar. I: Synthetic Aperture Sonar and Synthetic Aperture Radar 2023. UK: Institute of Acoustics 2023 ISBN 978-1-906913-44-1. FFI
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Synnes, Stig Asle Vaksvik; Geilhufe, Marc. Separation of layover in synthetic aperture interferometry. Synthetic Aperture Sonar and Synthetic Aperture Radar (SAS/SAR); 2023-09-06 - 2023-09-08 FFI
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5. |
Synnes, Stig Asle Vaksvik; Geilhufe, Marc. Separation of layover in synthetic aperture interferometry. I: Synthetic Aperture Sonar and Synthetic Aperture Radar 2023. UK: Institute of Acoustics 2023 ISBN 978-1-906913-44-1. p. - FFI
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2022
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6. |
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 FFI
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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. p. - FFI UiO
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8. |
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 FFI UiO
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9. |
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 FFI UiO
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10. |
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 FFI
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11. |
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. FFI
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2021
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12. |
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 FFI UiO
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13. |
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 UiO FFI
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14. |
Synnes, Stig Asle Vaksvik. Advanced processing for synthetic aperture sonar. Oslo: Universitetet i Oslo, The Faculty of Mathematics and Natural Sciences 2021 ;Volume Institutt for informatikk.146 p. Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.(2415) FFI
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15. |
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 ;Volume 46.(4) p. 1330-1345 FFI UiO
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2019
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16. |
Geilhufe, Marc; Hansen, Roy Edgar; Midtgaard, Øivind; Synnes, Stig Asle Vaksvik. Through-the-sensor sharpness estimation for synthetic aperture sonar images. OCEANS 2019; 2019-10-27 - 2019-10-31 FFI
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17. |
Geilhufe, Marc; Hansen, Roy Edgar; Midtgaard, Øivind; Synnes, Stig Asle Vaksvik. Through-the-sensor sharpness estimation for synthetic aperture sonar images. I: Proceedings of OCEANS 2019 MTS/IEEE SEATTLE. IEEE 2019 ISBN 978-0-578-57618-3. p. - FFI
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18. |
Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.. Calibration target for extraction of frequency dependency in synthetic aperture sonar. UACE 2019 - Underwater Acoustics Conference and Exhibition; 2019-06-30 - 2019-07-05 FFI
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19. |
Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.. Calibration target for extraction of frequency dependency in synthetic aperture sonar. Underwater Acoustics Conference & Exhibition (UACE) 2019 p. 147-154 FFI
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2018
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20. |
Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.. Challenges in Coregistration of Repeated Passes in Synthetic Aperture Sonar. European Conference on Synthetic Aperture Radar (EUSAR); 2018-06-04 - 2018-06-08 FFI
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21. |
Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.. Challenges in Coregistration of Repeated Passes in Synthetic Aperture Sonar. I: EUSAR 2018; 12th European Conference on Synthetic Aperture Radar. VDE Verlag GmbH 2018 ISBN 978-3-8007-4636-1. p. 344-349 FFI
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22. |
Lorentzen, Ole J.; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar; Sæbø, Torstein Olsmo. Investigating layover effects in cross-correlation based interferometry for synthetic aperture sonar. European Conference on Synthetic Aperture Radar (EUSAR); 2018-06-04 - 2018-06-08 FFI
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23. |
Lorentzen, Ole J.; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar; Sæbø, Torstein Olsmo. Investigating layover effects in cross-correlation based interferometry for synthetic aperture sonar. I: EUSAR 2018; 12th European Conference on Synthetic Aperture Radar. VDE Verlag GmbH 2018 ISBN 978-3-8007-4636-1. p. 338-343 FFI
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2017
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24. |
Geilhufe, Marc; Voss, Hauke; Hansen, Roy Edgar; Midtgaard, Øivind; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo. Towards automated HF sidescan sonar performance estimation. 4th Underwater Acoustics Conference and Exhibition; 2017-09-03 - 2017-09-08 FFI
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25. |
Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.; Sæbø, Torstein Olsmo. Synthetic Aperture Sonar Interferometry Mapping of the Seabed. Scandinavian Symposium on Physical Acoustics (SSPA); 2017-01-29 - 2017-02-01 FFI UiO
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26. |
Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Lorentzen, Ole J.; Synnes, Stig Asle Vaksvik. Mapping unexploded ordnance (UXO) using interferometric synthetic aperture sonar. 4th Underwater Acoustics Conference and Exhibition; 2017-09-03 - 2017-09-08 FFI UiO
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27. |
Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.. Synthetic aperture sonar interferometry for detailed seabed mapping: Performance considerations. Acoustics '17 Boston; 2017-06-25 - 2017-06-29 FFI UiO
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28. |
Lorentzen, Ole J.; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Geilhufe, Marc. Local probability-based phase unwrapping for synthetic aperture sonar interferometry. 4th Underwater Acoustics Conference and Exhibition; 2017-09-03 - 2017-09-08 FFI UiO
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29. |
Synnes, Stig Asle Vaksvik; Hunter, Alan Joseph; Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Callow, Hayden John; Van Vossen, Robbert; Austeng, Andreas. Wideband synthetic aperture sonar backprojection with maximization of wave number domain support. IEEE Journal of Oceanic Engineering 2017 ;Volume 42.(4) p. 880-891 UiO FFI
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30. |
Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.. Depth estimation of water column objects using interferometric synthetic aperture sonar. Acoustics '17 Boston; 2017-06-25 - 2017-06-29 FFI UiO
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2016
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31. |
Hansen, Roy Edgar; Geilhufe, Marc; Synnes, Stig Asle Vaksvik; Midtgaard, Øivind; Sæbø, Torstein Olsmo. In-situ performance assessment for high frequency seabed imaging sidescan sonar. Acoustic and environmental variability, fluctuations and coherence; 2016-12-12 - 2016-12-13 FFI
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32. |
Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Hansen, Roy Edgar. Interferometry using phase slope estimation. Electronic proceedings (EUSAR) 2016 ;Volume 2016:7559359. p. 1-4 UiO FFI
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33. |
Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Hansen, Roy Edgar. Interferometry using phase slope estimation. 11th European Conference on Synthetic Aperture Radar (EUSAR 2016); 2016-06-06 - 2016-06-09 FFI UiO
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34. |
Vestgården, Jørn Inge; Karlsen, Marcus; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.. Ship Wake Signatures measured by AUV with upward looking high-frequency sonar. Undersea Defence Techology; 2016-06-01 - 2016-06-03 FFI
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2015
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35. |
Geilhufe, Marc; Connors, Warren A.; Synnes, Stig Asle Vaksvik; Midtgaard, Øivind; Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Dugelay, Samantha. Assessment of mine hunting performance evaluation parameters across multiple side-looking sonar systems and frequencies. I: OCEANS'15 MTS/IEEE Washington, Washington DC, 19-22 October, 2015. IEEE conference proceedings 2015 ISBN 978-0-933957-43-5. p. - FFI
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36. |
Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar. Aspect-dependent scattering in widebeam synthetic aperture sonar. Underwater Acoustics Conference and Exhibition (UACE); 2015-06-21 - 2015-06-26 UiO
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2014
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37. |
Geilhufe, Marc; Dugelay, Samantha; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Midtgaard, Øivind; Hansen, Roy Edgar. Comparative study of frequency dependency in high resolution sonar imagery from the MANEX'13 sea trials. Synthetic Aperture Sonar and Synthetic Aperture Radar (SAS/SAR); 2014-09-17 - 2014-09-19 FFI
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38. |
Geilhufe, Marc; Dugelay, Samantha; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Midtgaard, Øivind; Hansen, Roy Edgar. Comparative study of frequency dependency in high resolution sonar imagery from the MANEX'13 sea trials. I: Proceedings of International Conference Synthetic Aperture Sonar and Synthetic Aperture Radar. UK: Institute of Acoustics 2014 ISBN 978-1-906913-17-5. p. 191-200 FFI
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2013
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39. |
Blomberg, Ann Elisabeth Albright; Austeng, Andreas; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik. Improving Sonar Performance in Shallow Water Using Adaptive Beamforming. IEEE Journal of Oceanic Engineering 2013 ;Volume 38.(2) p. 297-307 FFI UiO
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40. |
Lorentzen, Ole Jacob; Synnes, Stig Asle Vaksvik; Syre Wiig, Martin; Glette, Kyrre Harald. Environmentally Adaptive Sonar. Underwater Acoustics Conference 2013; 2013-06-23 - 2013-06-28 FFI UiO
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41. |
Lorentzen, Ole Jacob; Synnes, Stig Asle Vaksvik; Syre Wiig, Martin; Glette, Kyrre Harald. Environmentally Adaptive Sonar. I: Proceedings of 1st International Conference and Exhibition on Underwater Acoustics. : IACM-FORTH 2013 ISBN 978-618-80725-0-3. p. 583-590 FFI UiO
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42. |
Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar. Ultra wideband SAS imaging. UA2013 Underwater Acoustics International Conference and Exibition; 2013-06-23 - 2013-06-28 FFI UiO
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43. |
Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar. Wideband Interferometry in Synthetic Aperture Sonar. IEEE Transactions on Geoscience and Remote Sensing 2013 ;Volume 51.(8) p. 4450-4459 FFI
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2012
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44. |
Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar. Wideband Interferometry in Synthetic Aperture Sonar. Proceedings of the 9th European Conference on Synthetic Aperture Radar; 2012-04-23 - 2012-04-26 FFI
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2011
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45. |
Blomberg, Ann Elisabeth Albright; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik; Austeng, Andreas. Improved interferometric sonar performance in shallow water using adaptive beamforming. Underwater Acoustic Measurements: Technologies & Results; 2011-06-20 - 2011-06-24 FFI UiO
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46. |
Callow, Hayden John; Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik. SAS beamforming through a vertical sound speed profile. Underwater Acoustic Measurements: Technologies & Results; 2011-06-20 - 2011-06-24 FFI
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47. |
Hansen, Roy Edgar; Callow, Hayden John; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik. Challenges in Seafloor Imaging and Mapping With Synthetic Aperture Sonar. IEEE Transactions on Geoscience and Remote Sensing 2011 ;Volume 49.(10) p. 3677-3687 FFI
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48. |
Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Callow, Hayden John; Synnes, Stig Asle Vaksvik. Coregistration of synthetic aperture sonar images from repeated passes. Underwater Acoustic Measurements: Technologies & Results; 2011-06-20 - 2011-06-24 FFI
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2010
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49. |
Callow, Hayden John; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Hansen, Roy Edgar. Autofocus for Circular Synthetic Aperture Imaging. International Conference on Synthetic Aperture Sonar and Synthetic Aperture Radar; 2010-09-13 - 2010-09-14 FFI
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50. |
Hansen, Roy Edgar; Callow, Hayden John; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik. Challenges in Seafloor Imaging and Mapping with Synthetic Aperture Sonar. Eighth European Conference on Synthetic Aperture Radar; 2010-06-07 - 2010-06-10 FFI
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