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Publications of Hayden J. Callow

Thesis

  1. Hayden J. Callow. Signal Processing for Synthetic Aperture Sonar Image Enhancement. PhD thesis, University of Canterbury, 2003. Keyword(s): SAR Processing, Autofocus, Phase Gradient Autofocus, Stripmap, Stripmap PGA, Stripmap Phase Gradient Autofocus, SAS, Synthetic Aperture Sonar. [Abstract] [bibtex-entry]


Articles in journal or book chapters

  1. S. A. V. Synnes, A. J. Hunter, Roy E. Hansen, T. O. Saebo, H. J. Callow, R. van Vossen, and A. Austeng. Wideband Synthetic Aperture Sonar Backprojection With Maximization of Wave Number Domain Support. IEEE Journal of Oceanic Engineering, 42(4):880-891, October 2017. Keyword(s): Synthetic Aperture Sonar, SAS, image filtering, image resolution, optimisation, sensor arrays, sonar imaging, synthetic aperture sonar, time-domain analysis, BP, SAS arrays, SAS image formation algorithms, TDBP access data, WD filtering, aspect-dependent scattering, data degradation, frequency-dependent scattering, generic SAS design, sensor data quality, spatial domain quality metrics, time domain backprojection access data, wave number domain counterpart, wave number domain support maximization, wideband SAS systems, wideband synthetic aperture sonar backprojection, widebeam synthetic aperture sonar backprojection, Image resolution, Imaging, Performance evaluation, Scattering, Sonar applications, Synthetic aperture sonar, Wideband, Along-track ambiguity, backprojection (BP) algorithm, grating lobes, synthetic aperture sonar (SAS), wideband sonar. [Abstract] [bibtex-entry]


  2. Roy E. Hansen, A. P. Lyons, T. O. S�b�, H. J. Callow, and D. A. Cook. The Effect of Internal Wave-Related Features on Synthetic Aperture Sonar. IEEE Journal of Oceanic Engineering, 40(3):621-631, July 2015. Keyword(s): Synthetic Aperture Sonar, SAS, autonomous underwater vehicles, bathymetry, oceanographic techniques, sonar imaging, synthetic aperture sonar, (AUV), CMRE, Centre for Maritime Research and Experimentation, Elba Island Italy, FFI, HUGIN autonomous underwater vehicle, Kjeller Norway, La Spezia Italy, NATO research vessel, Norwegian Defence Research Establishment, RV, SAS bathymetry, SAS imaging, acoustical ray model, bolus, interferometric synthetic aperture sonar, internal wave-related feature effect, moving target analysis, multiaperture processing, multilook processing, repeat pass imaging, seabed topography, sound-speed structure, water column, Geometry, Imaging, Interferometry, Shape, Surfaces, Synthetic aperture sonar, Internal waves, refraction effects, synthetic aperture sonar. [Abstract] [bibtex-entry]


  3. Roy E. Hansen, H. J. Callow, T. O. Sabo, and S. A. V. Synnes. Challenges in Seafloor Imaging and Mapping With Synthetic Aperture Sonar. IEEE Transactions on Geoscience and Remote Sensing, 49(10):3677-3687, October 2011. Keyword(s): Synthetic Aperture Sonar, SAS, bathymetry, oceanographic equipment, radar imaging, radar interferometry, seafloor phenomena, synthetic aperture sonar, underwater sound, HISAS 1030 interferometric SAS, acoustic signals, aided inertial navigation, bathymetry, centimeter resolution, coherence, grating lobes, image focusing, nonstraight tracks, ocean environment, real aperture interferometry, sea surface, seafloor imaging, seafloor mapping, shallow waters, sonar positioning, sound velocity, synthetic aperture sonar, vehicle instability, Apertures, Image resolution, Imaging, Sonar navigation, Synthetic aperture sonar, Vehicles, Interferometry, multiple reflections, navigation, nonlinear tracks, seafloor imaging, sound velocity errors, synthetic aperture radar (SAR), synthetic aperture sonar (SAS), topography errors. [Abstract] [bibtex-entry]


  4. J. Groen, Roy E. Hansen, H. J. Callow, J. C. Sabel, and T. O. Sabo. Shadow Enhancement in Synthetic Aperture Sonar Using Fixed Focusing. IEEE Journal of Oceanic Engineering, 34(3):269-284, July 2009. Keyword(s): Synthetic Aperture Sonar, SAS, image enhancement, sonar imaging, sonar target recognition, synthetic aperture sonar, HUGIN autonomous underwater vehicle, fixed focus shadow enhancement, shadow clarity, synthetic aperture sonar imaging, target recognition, widebeam synthetic aperture imaging systems, Acoustics, beamforming, focusing, imaging, shadow, synthetic aperture sonar (SAS). [Abstract] [bibtex-entry]


  5. T. Sparr, Roy E. Hansen, H. J. Callow, and J. Groen. Enhancing target shadows in SAR images. Electronics Letters, 43(5):69-70, March 2007. Keyword(s): SAR Processing, image enhancement, radar imaging, synthetic aperture radar, SAR images, fixed focus shadow enhancement, radar image, sharp target image, synthetic aperture radar, target shadow enhancement. [Abstract] [bibtex-entry]


Conference articles

  1. H.J. Callow, M.P. Hayes, and P.T. Gough. Autofocus of stripmap SAS data using the range-variant SPGA algorithm. In OCEANS 2003 Proceedings, volume 5, pages 2422-2426, September 2003. Keyword(s): SAR Processing, Autofocus, Phase Curvature Autofocus, Phase Gradient Autofocus, PGA, SPGA, Stripmap Phase Gradient Algorithm, Synthetic Aperture Sonar, SAS. [bibtex-entry]


  2. H.J. Callow, M.P. Hayes, and P.T. Gough. Stripmap phase gradient autofocus. In OCEANS 2003. Proceedings, volume 5, pages 2414-2421, September 2003. Keyword(s): SAR Processing, Autofocus, Phase Curvature Autofocus, Phase Gradient Autofocus, PGA, SPGA, Stripmap Phase Gradient Algorithm, Synthetic Aperture Sonar, SAS. [Abstract] [bibtex-entry]


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Please note that access to full text PDF versions of papers is restricted to the Chair of Earth Observation and Remote Sensing, Institute of Environmental Engineering, ETH Zurich.
Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright.

This collection of SAR literature is far from being complete.
It is rather a collection of papers which I store in my literature data base. Hence, the list of publications under PUBLICATIONS OF AUTHOR'S NAME should NOT be mistaken for a complete bibliography of that author.




Last modified: Mon Feb 1 16:39:00 2021
Author: Othmar Frey, Earth Observation and Remote Sensing, Institute of Environmental Engineering, Swiss Federal Institute of Technology - ETH Zurich .


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