Publications by Stig Asle Vaksvik Synnes

Changed name from S. A. Synnes to S. A. V. Synnes in 2009
Contact address:
My Scientific ID on: Publons (comprising Web of Science ResearcherID and OCRID), ResearchGate
Link to publication databases: Web of Knowledge, Microsoft Academic Search, Google Scholar, Cristin, Mendeley Research Manager.

My affiliation and main field of work:
2008-2022+ FFI Synthetic aperture sonar (SAS): HUGIN AUV, HISAS, widebeam and wideband processing, low frequency SAS, spatial and temporal coherence, micro navigation, performance modeling. PhD thesis on frequency-, aspect-, and spatial information from SAS in 2021.
2003-2008 FFI Magnetic modeling and TSM-minesweeping for clearing of sea mines.
1998-2002 FFI Perimeter surveillance sensors with emphasize on electromagnetic sensors.
1996-1997 UiB Atomic collisions and the northern lights. Cand Scient thesis in 1997.

The publication list below is based on the Cristin database, formatted from person search on Synnes S*. I have added links to a some of the papers:
Cristin stands for the Current Research Information SysTem In Norway

Copyrights notice: Linked papers can be downloaded and printed, but not reposted or offered for sale. Copyrights are held by the journals.

    2022

  1. Synnes, Stig A. V.; Geilhufe, Marc; Hansen; Roy E.; Sæbø, Torstein O; Lorentzen, Ole J.
    Investigation of layover in interferometry.
    International Conference on Underwater Acoustics (ICUA), 2022-06-23, Southampton, (FFI)
    Presentation only.

    2021

  2. Synnes, Stig Asle Vaksvik
    Advanced processing for synthetic aperture sonar.
    PhD Thesis, Department of Informatics, University of Oslo; 2021-06-24, (FFI UiO)
    PDF via DUO Permalink, PDF (local), related info

  3. Synnes, Stig Asle Vaksvik
    Target recognition techniques in SAS and SAR.
    Trial lecture given at the PhD disputation, Department of Informatics, University of Oslo; 2021-06-24, (FFI UiO)
    PDF (local), related info

  4. 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, 2021-10-31, pp 1-16, (FFI UiO)
    PDF from IEEE (Open Access), PDF (local)

  5. Lorentzen, Ole J.; Hansen, Roy E.; Sæbø, Torstein O.; Synnes, Stig A. V.; Geilhufe, Marc
    3D Rendering of Shipwrecks from Synthetic Aperture Sonar
    Proceedings of Meetings on Acoustics, 44, 2021-10-25, (FFI UiO)
    PDF from ASA

  6. Lorentzen, Ole J.; Hansen, Roy E.; Sæbø, Torstein O.; Synnes, Stig A. V.; Geilhufe, Marc
    3D Rendering of Shipwrecks with Synthetic Aperture Sonar.
    6th Underwater Acoustics Conference and Exhibition (UACE); 2021-06-21 - 2021-06-25, (FFI UiO)
    Video on YouTube, MP4 (local)

    2019

  7. Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.
    Calibration target for extraction of frequency dependency in synthetic aperture sonar.
    5th Underwater Acoustics Conference and Exhibition (UACE); 2019-06-30 - 2019-07-05, (FFI UiO)
    PDF proceedings from UAC (Open Access), PDF (local)

  8. 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)
    PDF (local)

    2018

  9. 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)
    PDF from IEEE

  10. 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)
    PDF from IEEE

    2017

  11. 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 (UACE); 2017-09-03 - 2017-09-08, (FFI)

  12. 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 (UACE); 2017-09-03 - 2017-09-08, (FFI UiO)

  13. 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)
    Presentation only. No paper available.

  14. 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 (UACE); 2017-09-03 - 2017-09-08, (FFI UiO)

  15. 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 ;Volum 42.(4) s. 880-891, (FFI UiO)
    PDF preprint from FFI

  16. 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)
    Presentation only. No paper available.

    2016

  17. 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)

  18. Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Hansen, Roy Edgar.
    Interferometry using phase slope estimation.
    11th European Conference on Synthetic Aperture Radar (EUSAR); 2016-06-06 - 2016-06-09, (FFI UiO)
    PDF (local)

  19. 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 (UDT); 2016-06-01 - 2016-06-03, (FFI)

    2015

  20. 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.
    OCEANS'15 MTS/IEEE Washington, Washington DC, 19-22 October, 2015.
    IEEE conference proceedings 2015 ISBN 978-0-933957-43-5. s. -, (FFI)

  21. Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar.
    Aspect-dependent scattering in widebeam synthetic aperture sonar.
    3rd Underwater Acoustics International Conference and Exhibition (UACE); 2015-06-21 - 2015-06-26, (FFI UiO)
    PDF (local)

    2014

  22. 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,
    Institute of Acoustics 2014 ISBN 978-1-906913-17-5. s. 191-200, (FFI)

    2013

  23. 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 ;Volum 38.(2) s. 297-307, (FFI UiO)

  24. Lorentzen, Ole Jacob; Synnes, Stig Asle Vaksvik; Syre Wiig, Martin; Glette, Kyrre Harald.
    Environmentally Adaptive Sonar.
    1st Underwater Acoustics International Conference and Exhibition (UACE) 2013; 2013-06-23 - 2013-06-28 /
    IACM-FORTH 2013 ISBN 978-618-80725-0-3. s. 583-590, (FFI UiO)

  25. Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar.
    Ultra wideband SAS imaging.
    1st Underwater Acoustics International Conference and Exibition (UACE); 2013-06-23 - 2013-06-28, (FFI UiO)
    PDF (local)

  26. Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar.
    Wideband Interferometry in Synthetic Aperture Sonar.
    IEEE Transactions on Geoscience and Remote Sensing 2013 ;Volum 51.(8) s. 4450-4459, (FFI)
    PDF with IEEE, PDF peprint from FFI

    2012

  27. Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar.
    Wideband Interferometry in Synthetic Aperture Sonar.
    9th European Conference on Synthetic Aperture Radar (EUSAR); 2012-04-23 - 2012-04-26, (FFI)

    2011

  28. 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 (UAM); 2011-06-20 - 2011-06-24, (FFI UiO)

  29. 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 (UAM); 2011-06-20 - 2011-06-24, (FFI)

  30. 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 ;Volum 49.(10) s. 3677-3687, (FFI)
    PDF preprint from FFI

  31. 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 (UAM); 2011-06-20 - 2011-06-24, (FFI)

    2010

  32. 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 (SAS/SAR); 2010-09-13 - 2010-09-14, (FFI)

  33. 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 (EUSAR); 2010-06-07 - 2010-06-10, (FFI)

  34. Hansen, Roy Edgar; Callow, Hayden John; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik.
    Robust synthetic aperture sonar for autonomous underwater vehicles.
    International Conference on Synthetic Aperture Sonar and Synthetic Aperture Radar (SAS/SAR); 2010-09-13 - 2010-09-14, (FFI)

  35. Synnes, Stig Asle Vaksvik; Callow, Hayden John; Hansen, Roy Edgar; Sæbø, Torstein Olsmo.
    Multipass coherent processing on synthetic aperture sonar data.
    Tenth European Conference on Underwater Acoustics (ECUA); 2010-07-05 - 2010-07-09, (FFI)
    PDF (local)

    2009

  36. Callow, Hayden John; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo.
    Circular SAS without a beacon.
    Proceedings of Underwater Acoustic Measurements 2009: Technologies & Results (UAM); 2009-06-21 - 2009-06-26, (FFI)

  37. Hansen, Roy Edgar; Callow, Hayden John; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Hagen, Per Espen; Fossum, Terje Gunnar; Langli, Bjørnar.
    Synthetic aperture sonar in challenging environments: Results from the HISAS 1030.
    Proceedings of Underwater Acoustic Measurements 2009: Technologies & Results (UAM); 2009-06-21 - 2009-06-26, (FFI)

  38. Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar; Sæbø, Torstein Olsmo.
    Assessment of shallow water performance using interferometric sonar coherence.
    Proceedings of Underwater Acoustic Measurements 2009: Technologies & Results (UAM); 2009-06-21 - 2009-06-26, (FFI)
    PDF (local)

    2008

  39. Synnes, Stig Asle Vaksvik.
    Representing elongated magnetic sources by prolate spheroidal harmonics developed on an optimized coordinate system.
    IEEE transactions on magnetics 2008 ;Volum 44.(10) s. 2277-2282, (FFI)
    PDF with IEEE

    2007

  40. Synnes, Stig Asle; Brodtkorb, Per Andreas; Lepelaars, Eugene S A M
    Representing the ship magnetic field using prolate spheroidal harmonics - a comparative study of methods.
    Electromagnetic Silencing Symposium (EMSS), Ostende, Belgium, 2007 (FFI)
    PDF (local) - MARELEC 2006 paper with corrections...

    2006

  41. Synnes, Stig Asle; Brodtkorb, Per Andreas; Lepelaars, Eugene S A M
    Representing the ship magnetic field using prolate spheroidal harmonics - a comparative study of methods.
    International Marine Electronics Conference (MARELEC), 2006-04-19 - 2006-04-21 (FFI)
    PDF: see 2007 EMSS-paper

    1998

  42. Hansen, Jan Petter; Kocbach, Ladislav; Synnes, Stig Asle; Wang, Junbai; Dubois, Alain.
    Origin of the structures in the excitation cross section in ion-atom collisions.
    Physical Review A. Atomic, Molecular, and Optical Physics 1998 ;Volum 57.(6) s. R4086-R4089, (UiB)
    PDF with APS

  43. Synnes, Stig Asle; Sørås, Finn; Hansen, Jan Petter.
    Monte-Carlo simulations of proton aurora.
    Journal of Atmospheric and Solar-Terrestrial Physics 1998 ;Volum 60. s. 1695-2007, (UiB)
    PDF with ScienceDirect

    1997

  44. Synnes, Stig Asle.
    Protonnordlys: atomære prosessar og transport av ladd og nøytralt hydrogen i den øvre atmosfære.
    Universitetet i Bergen, Bergen 1997 110 s., (UiB)
    PDF (local)