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Publications of Othmar Frey

Books and proceedings

  1. Othmar Frey. Synthetic Aperture Radar Imaging in the Time Domain for Nonlinear Sensor Trajectories and SAR Tomography, PhD Thesis. Remote Sensing Series, vol. 59, Remote Sensing Laboratories, University of Zurich, Zurich, Switzerland. 2010. Keyword(s): SAR Processing, SAR Tomography, Tomography, Focusing, Time-Domain Back-Projection, TDBP, Corridor Mapping, Curvilinear SAR, Nonlinear Flight Tracks, Synthetic Aperture Radar (SAR), Remote Sensing, Airborne SAR, Forestry, L-Band, P-Band, Interferometry, InSAR, SAR Interferometry, Polarimetry, PolInSAR, Polarimetric SAR Tomography, Array signal processing, Extended Chirp Scaling, ECS, Mosaicking, Geocoding, Integrated Focusing and Geocoding, Georeferencing, mapping, E-SAR, digital elevation model, Capon, Capon beamformer, beamforming, Focusing, multibaseline, multiple signal classification, MUSIC, three-dimensional imaging, 3-D imaging, Vegetation. [bibtex-entry]


Articles in journal or book chapters

  1. Simone Baffelli, Othmar Frey, and Irena Hajnsek. Geostatistical Analysis and Mitigation of the Atmospheric Phase Screens in Ku-Band Terrestrial Radar Interferometric Observations of an Alpine Glacier. IEEE Transactions on Geoscience and Remote Sensing, 58(11):7533-7556, November 2020. Keyword(s): Gamma Portable Radar Interferometer, GPRI, Pol-GPRI, Atmospheric modeling, Spaceborne radar, Atmospheric measurements, Radar interferometry, Delays, Phase measurement, Atmospheric modeling, atmospheric phase screen (APS), differential radar interferometry, terrestrial radar interferometry, TRI. [Abstract] [bibtex-entry]


  2. Endrit Shehaj, Karina Wilgan, Othmar Frey, and Alain Geiger. A Collocation Framework to Retrieve Tropospheric Delays from a Combination of GNSS and InSAR. Navigation, 67(4):823-842, 2020. Keyword(s): SAR Processing, InSAR, SAR Interferometry, Persistent Scatterer Interferometry, PSI, GNSS, GPS Troposphere, Collocation, Retrieval of Tropospheric Delays, Combination of GNSS and InSAR. [Abstract] [bibtex-entry]


  3. Simone Baffelli, Othmar Frey, and Irena Hajnsek. Polarimetric Analysis of Natural Terrain Observed With a Ku-Band Terrestrial Radar. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 12(12):5268-5288, December 2019. Keyword(s): Terrestrical Radar, Polarimetry, Radar Polarimetry, ku-band, Gamma Portable Radar Interferometer, GPRI-II, Polarimetric Gamma Portable Radar Interferometer, PolGPRI, Entropy, ground based radar, polarimetric radar. [Abstract] [bibtex-entry]


  4. Muhammad Adnan Siddique, Tazio Strozzi, Irena Hajnsek, and Othmar Frey. A Case Study on the Correction of Atmospheric Phases for SAR Tomography in Mountainous Regions. IEEE Trans. Geosci. Remote Sens., 57(1):416-431, January 2019. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), SAR Interferometry, InSAR, interferometric stacking, persistent scatterer interferometry, PSI, spaceborne SAR radar interferometry, spaceborne radar, X-Band, synthetic aperture radar, tomography, 3-D point cloud retrieval, SAR tomography based 3-D point cloud extraction, high-resolution spaceborne SAR, Cosmo SkyMed, Matter Valley, Switzerland, Alps, mountainous terrain, layover, layover separation, interferometric stack, layover scenario case, persistent scatterer interferometry, PSI, point-like scatterer, processing approach, Spaceborne radar, Synthetic aperture radar, Three-dimensional displays, Tomography, 3-D point cloud, SAR interferometry, deformation, displacement, subsidence, detection, radar interferometry, displacement mapping, spaceborne SAR, differential interferometry, differential tomography, coherent scatterer detection. [Abstract] [bibtex-entry]


  5. Karina Wilgan, Muhammad Adnan Siddique, Tazio Strozzi, Alain Geiger, and Othmar Frey. Comparison of Tropospheric Path Delay Estimates from GNSS and Space-Borne SAR Interferometry in Alpine Conditions. Remote Sensing, 11(15):1-24, July 2019. Note: 1789. Keyword(s): SAR Processing, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, alpine, rugged terrain, atmospheric phase, atmospheric phase screen, APS, mitigation of atmospheric phase, turbulent atmospheric phase in alpine areas, Cosmo-SkyMed, Zermatt, Mattertal, Matter valley, Switzerland, interferometric stacking, multi-baseline interferometry, GNSS, GPS, Comparison, tropospheric path delay, Collocation, Kriging. [Abstract] [bibtex-entry]


  6. Simone Baffelli, Othmar Frey, Charles L. Werner, and Irena Hajnsek. Polarimetric Calibration of the Ku-Band Advanced Polarimetric Radar Interferometer. IEEE Trans. Geosci. Remote Sens., 56(4):2295-2311, 2018. Keyword(s): real-aperture radar, radar, terrestrial radar, Apertures, Calibration, interferometry, radar interferometry, Radar antennas, Radar imaging, Radar polarimetry, ground-based radar, polarimetric calibration, polarimetric, GB-RADAR, polarimetric-interferometric radar, Gamma Portable Radar Interferometer, GPRI. [Abstract] [bibtex-entry]


  7. Muhammad Adnan Siddique, Urs Wegmuller, Irena Hajnsek, and Othmar Frey. SAR Tomography as an Add-On to PSI: Detection of Coherent Scatterers in the Presence of Phase Instabilities. Remote Sensing, 10(7):1014, 2018. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), SAR Interferometry, InSAR, interferometric stacking, persistent scatterer interferometry, PSI, spaceborne SAR radar interferometry, spaceborne radar, X-Band, TerraSAR-X, synthetic aperture radar, tomography, 3-D point cloud retrieval, SAR tomography based 3-D point cloud extraction, high-resolution spaceborne SAR, TerraSAR-X, Barcelona, interferometric stack, layover scenario case, persistent scatterer interferometry, PSI, point-like scatterer, processing approach, Urban Remote Sensing, Spaceborne radar, Synthetic aperture radar, Three-dimensional displays, Tomography, 3-D point cloud, SAR interferometry, deformation, displacement, subsidence, detection, urban deformation monitoring, radar interferometry, displacement mapping, spaceborne SAR, differential interferometry, differential tomography, coherent scatterer detection. [Abstract] [bibtex-entry]


  8. Urs Wegmuller, Charles Werner, Othmar Frey, Christophe Magnard, and Tazio Strozzi. Reformulating the Split-Spectrum Method to Facilitate the Estimation and Compensation of the Ionospheric Phase in SAR Interferograms. Procedia Computer Science, pp 318-325, 2018. Keyword(s): SAR Processing, Ionosphere, Ionospheric Path Delay, split-beam interferometry, SBI, ionospheric electromagnetic wave propagation, ionospheric techniques, radar interferometry, remote sensing by radar, split beam interferograms, along track ground displacement estimation, azimuth spectrum band pass filtering, directional scattering identification, ionospheric path delay estimation, long baseline pair coherence estimation, split beam interferometry, Azimuth, Band pass filters, Coherence, Delay, Ionosphere, Time series analysis. [bibtex-entry]


  9. Othmar Frey. Synthetic Aperture Radar. In Douglas Richardson, editor, International Encyclopedia of Geography: People, the Earth, Environment, and Technology, pages 1-24. Wiley, 2017. Keyword(s): Synthetic Aperture Radar, SAR, Imaging, microwave imaging, radar systems, biosphere, carbon sequestration, co-seismic displacement, crustal deformation, data acquisition, digital earth, earth observation, earth system science, geocomputation, geodesy, geohazards, geomatics, geophysical signal processing, geospatial information, GIScience, ground deformation/subsidence monitoring, interferometry, land cover, land use change, mapping, microwave remote sensing, polarimetry, radar remote sensing, remote sensing, topography, volcano monitoring. [Abstract] [bibtex-entry]


  10. Muhammad Adnan Siddique, Urs Wegmuller, Irena Hajnsek, and Othmar Frey. Single-look SAR tomography as an add-on to PSI for improved deformation analysis in urban areas. IEEE Trans. Geosci. Remote Sens., 54(10):6119-6137, 2016. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, thermal dilation, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, TerraSAR-X, Barcelona, interferometric stacking. [Abstract] [bibtex-entry]


  11. Urs Wegmuller, Charles L. Werner, Tazio Strozzi, Andreas Wiesmann, Othmar Frey, and Maurizio Santoro. Sentinel-1 Support in the GAMMA Software. Procedia Computer Science, 100:1305-1312, 2016. Keyword(s): SAR Processing, Sentinel-1, Interferometry, SAR Interferometry, InSAR, persistent scatterer interferometry, PSI, offset tracking, split-beam interferometry, GAMMA Software. [Abstract] [bibtex-entry]


  12. Othmar Frey, Maurizio Santoro, Charles L. Werner, and Urs Wegmuller. DEM-based SAR pixel area estimation for enhanced geocoding refinement and radiometric normalization. IEEE Geosci. Remote Sens. Lett., 10(1):48-52, January 2013. Keyword(s): SAR Processing, Geocoding, radiometric calibration, terrain-based radiometric normalization. [Abstract] [bibtex-entry]


  13. Urs Wegmuller, Tazio Strozzi, Andreas Wiesmann, Charles L. Werner, Othmar Frey, Rafael Caduff, and Andrew Kos. Hangrutschungskartierung mittels Radar Interferometrie. Geomatik Schweiz, 110(9), 2012. [Abstract] [bibtex-entry]


  14. Othmar Frey and Erich Meier. 3-D Time-Domain SAR Imaging of a Forest Using Airborne Multibaseline Data at L- and P-Bands. IEEE Trans. Geosci. Remote Sens., 49(10):3660-3664, October 2011. Keyword(s): Airborne radar, Array signal processing, Capon, Capon beamformer, L-band, P-band, SAR processing, SAR tomography, beamforming, Focusing, forestry, interferometry, InSAR, multibaseline, multiple signal classification, MUSIC, polarimetry, Remote Sensing, synthetic aperture radar, SAR, three-dimensional imaging, 3-D imaging, time-domain back-projection, TDBP, tomography, Vegetation. [Abstract] [bibtex-entry]


  15. Othmar Frey and Erich Meier. Analyzing Tomographic SAR Data of a Forest With Respect to Frequency, Polarization, and Focusing Technique. IEEE Trans. Geosci. Remote Sens., 49(10):3648-3659, October 2011. Keyword(s): Airborne radar, Array signal processing, Capon, Capon beamformer, L-band, P-band, SAR processing, SAR tomography, beamforming, Focusing, forestry, interferometry, InSAR, multibaseline, multiple signal classification, MUSIC, polarimetry, Remote Sensing, synthetic aperture radar, SAR, scattering, three-dimensional imaging, 3-D imaging, time-domain back-projection, TDBP, tomography, Vegetation. [Abstract] [bibtex-entry]


  16. Michael Jehle, Othmar Frey, David Small, and Erich Meier. Measurement of Ionospheric TEC in Spaceborne SAR Data. IEEE Trans. Geosci. Remote Sens., 48(6):2460-2468, June 2010. Keyword(s): SAR Processing, Total Electron Content Estimation, TEC Estimation, Ionospheric TEC, Faraday Rotation, Path Delay, Autofocus, TEC Autofocus, Spaceborne SAR, L-Band, ALOS, Phased Array L-band SAR, PALSAR, P-Pand, Simulation, Calibration. [Abstract] [bibtex-entry]


  17. Othmar Frey, Christophe Magnard, Maurice Rüegg, and Erich Meier. Focusing of Airborne Synthetic Aperture Radar Data from Highly Nonlinear Flight Tracks. IEEE Trans. Geosci. Remote Sens., 47(6):1844-1858, June 2009. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, TDBP, Non-Linear Flight Tracks, Curvilinear SAR, Extended Chirp Scaling, ECS, Mosaicking, Geocoding, Azimuth Focusing, Integrated Focusing and Geocoding, Georeferencing, mapping, corridor mapping, E-SAR, L-Band, digital elevation model, Airborne SAR. [Abstract] [bibtex-entry]


  18. Othmar Frey, Felix Morsdorf, and Erich Meier. Tomographic Imaging of a Forested Area By Airborne Multi-Baseline P-Band SAR. Sensors, Special Issue on Synthetic Aperture Radar, 8(9):5884-5896, September 2008. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry. [Abstract] [bibtex-entry]


  19. Felix Morsdorf, Othmar Frey, Erich Meier, Klaus I. Itten, and Britta Allgöwer. Assessment of the Influence of Flying Altitude and Scan Angle on Biophysical Vegetation Products Derived from Airborne Laser Scanning. International Journal of Remote Sensing, 29(5):1387 - 1406, March 2008. [Abstract] [bibtex-entry]


Conference articles

  1. Othmar Frey, Charles Werner, Andrea Manconi, and Roberto Coscione. Measuring surface displacements using a novel UAV/car-borne radar interferometer: including a case study on a fast-moving landslide in Brinzauls. In Swiss Geoscience Meeting 2020: Symposium 20. Remote Sensing of the Spheres, Zurich, Switzerland, November 2020. [bibtex-entry]


  2. Othmar Frey, Charles Werner, Andrea Manconi, and Roberto Coscione. Mobile Mapping of Surface Displacements Using a Novel Compact UAV-Borne / Car-Borne InSAR System. In American Geophysical Union, Fall Meeting 2020, 2020. [Abstract] [bibtex-entry]


  3. Silvan Leinss, Shiyi Li, Philipp Bernhard, and Othmar Frey. Temporal Multi-Looking of SAR Image Series for Glacier Velocity Determination and Speckle Reduction. In EGU General Assembly 2020, volume EGU2020-3643, May 2020. [Abstract] [bibtex-entry]


  4. A. Manconi, R. Caduff, T. Strozzi, O. Frey, Werner. C., and U. Wegmuller. Monitoring displacements of complex landslide with broadband multiplatform radar techniques. In Swiss Geoscience Meeting 2020: Symposium 20. Remote Sensing of the Spheres, Zurich, Switzerland, 2020. [bibtex-entry]


  5. Roberto Coscione, Irena Hajnsek, and Othmar Frey. Trajectory Uncertainty in Repeat-Pass SAR Interferometry: A Case Study. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 338-341, 2019. Keyword(s): SAR Processing, Synthetic aperture radar (SAR), SAR interferometry, mobile mapping, car-borne SAR, UAV, airborne SAR, terrestrial radar interferometer, repeat-pass interferometry, differential interferometry, DInSAR, SAR imaging, INS, GNSS, GPS, Trajectory Uncertainty. [Abstract] [bibtex-entry]


  6. Othmar Frey, Charles L. Werner, and Roberto Coscione. Car-borne and UAV-borne mobile mapping of surface displacements with a compact repeat-pass interferometric SAR system at L-band. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 274-277, 2019. Keyword(s): SAR Processing, Synthetic aperture radar (SAR), SAR interferometry, mobile mapping, car-borne SAR, UAV, airborne SAR, terrestrial radar interferometer, repeat-pass interferometry, differential interferometry, DInSAR, SAR imaging, focusing, back-projection, Time-Domain Back-Projection, TDBP, GPU, CUDA, interferometry, L-band, INS, GNSS, GPS. [Abstract] [bibtex-entry]


  7. Muhammad Adnan Siddique, Karina Wilgan, Tazzio Strozzi, Alain Geiger, Irena Hajnsek, and Othmar Frey. A Comparison of Tropospheric Path Delays estimated in PSI Processing against Delays Derived from a GNSS Network in the Swiss Alps. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 342-345, 2019. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, alpine, rugged terrain, atmospheric phase, atmospheric phase screen, APS, mitigation of atmospheric phase, turbulent atmospheric phase in alpine areas, Cosmo-SkyMed, Zermatt, Mattertal, Matter valley, Switzerland, interferometric stacking, multi-baseline interferometry, GNSS, GPS, Comparison, tropospheric path delay, Collocation, Kriging. [Abstract] [bibtex-entry]


  8. Charles L. Werner, Martin Suess, Othmar Frey, and Andreas Wiesmann. The ESA Wideband Microwave Scatterometer (WBSCAT): Design and Implementation. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 8339-8342, 2019. Keyword(s): ESA Snowlab, SnowScat, Wideband Scatterometer, WBScat, snow, microwave scatterometer, aperture synthesis, time series, polarimetry, tomography, SAR tomography. [Abstract] [bibtex-entry]


  9. Andreas Wiesmann, Rafael Caduff, Charles L. Werner, Othmar Frey, Martin Schneebeli, Henning Löwe, Matthias Jaggi, Mike Schwank, Reza Naderpour, and Thorsten Fehr. ESA Snowlab Project: 4 Years of Wide Band Scatterometer Measurements of Seasonal Snow. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 5745-5748, 2019. Keyword(s): ESA Snowlab, SnowScat, Wideband Scatterometer, WBScat, snow, microwave scatterometer, aperture synthesis, time series, polarimetry, tomography, SAR tomography. [Abstract] [bibtex-entry]


  10. Simone Baffelli, Othmar Frey, and Irena Hajnsek. Geostatistical Analysis and Mitigation of Atmosphere Induced Phase in Terrestrial Radar Interferometric Observations of an Alpine Glacier. In Proc. of EUSAR 2018 - 12th European Conference on Synthetic Aperture Radar, pages 626-631, 2018. Keyword(s): Radar Interferometry, Terrestrial Radar Interferometry, TRI, Ground-based radar, Interferometry, glacier velocity, atmospheric phase, mitigation of atmospheric phase, APS, Bisgletscher, Radar time series, GPRI, Gamma Portable Radar Interferometer. [Abstract] [bibtex-entry]


  11. Simone Baffelli, Othmar Frey, and Irena Hajnsek. Geostatistical Analysis and Mitigation of Atmospheric Phase Screens in Ku-Band Terrestrial Radar Interferometry. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 6504-6507, 2018. Keyword(s): Radar Interferometry, Terrestrial Radar Interferometry, TRI, Ground-based radar, Interferometry, glacier velocity, atmospheric phase, mitigation of atmospheric phase, APS, Bisgletscher, Radar time series, GPRI, Gamma Portable Radar Interferometer. [Abstract] [bibtex-entry]


  12. Roberto Coscione, Irena Hajnsek, and Othmar Frey. An experimental car-borne SAR System: measurement setup and positioning error analysis. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 6364-6367, 2018. Keyword(s): SAR Processing, Time-Domain Back-Projection, TDBP, dechirp-on-receive, FMCW, Frequency-modulated continous wave, Ground-based SAR, car-borne SAR, CARSAR, InSAR, DInSAR, geophysical techniques, ground-based SAR system, radar interferometry, synthetic aperture radar, GAMMA Portable Radar Interferometer (GPRI), GPRI, GPRI-II, interferometric technique, Coherence, Correlation, Interferometry, agile platform, airborne SAR, Inertial Naviation System (INS), Global Navigation Satellite System (GNSS), INS/GNSS, iMAR. [Abstract] [bibtex-entry]


  13. Othmar Frey, Charles L. Werner, Rafael Caduff, and Andreas Wiesmann. Tomographic profiling with SnowScat within the ESA SnowLab Campaign: Time Series of Snow Profiles Over Three Snow Seasons. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 6512-6515, 2018. Keyword(s): SAR Processing, SAR Tomography, Tomographic profiling, SnowScat, ESA, European Space Agency, X-Band, Ku-Band, Polarimetry, ground-based radar, Snow, Snowpack, geophysical signal processing, radar polarimetry, synthetic aperture radar. [Abstract] [bibtex-entry]


  14. Othmar Frey, Charles L. Werner, Irena Hajnsek, and Roberto Coscione. A car-borne SAR system for interferometric measurements: development status and system enhancements. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 6508-6511, 2018. Keyword(s): SAR Processing, Time-Domain Back-Projection, TDBP, dechirp-on-receive, FMCW, Frequency-modulated continous wave, Ground-based SAR, car-borne SAR, CARSAR, InSAR, DInSAR, geophysical techniques, ground-based SAR system, radar interferometry, synthetic aperture radar, GAMMA Portable Radar Interferometer (GPRI), GPRI, GPRI-II, interferometric technique, Coherence, Correlation, Interferometry, agile platform, airborne SAR. [Abstract] [bibtex-entry]


  15. Muhammad Adnan Siddique, Tazio Strozzi, Irena Hajnsek, and Othmar Frey. A case study on the correction of atmosphere-induced phase disturbances for SAR tomography in mountainous areas. In Proc. of EUSAR 2018 - 12th European Conference on Synthetic Aperture Radar, pages 1412-1416, 2018. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, alpine, rugged terrain, atmospheric phase, atmospheric phase screen, APS, mitigation of atmospheric phase, turbulent atmospheric phase in alpine areas, Cosmo-SkyMed, Zermatt, Mattertal, Matter valley, Switzerland, interferometric stacking, multi-baseline interferometry. [Abstract] [bibtex-entry]


  16. Muhammad A. Siddique, Tazio Strozzi, Irena Hajnsek, and Othmar Frey. SAR tomography for spatio-temporal inversion of coherent scatterers in villages of alpine regions. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 6099-6102, 2018. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas, alpine, rugged terrain, atmospheric phase, atmospheric phase screen, APS, mitigation of atmospheric phase, turbulent atmospheric phase in alpine areas, Cosmo-SkyMed, Zermatt, Mattertal, Matter valley, Switzerland, interferometric stacking, multi-baseline interferometry. [Abstract] [bibtex-entry]


  17. Othmar Frey, Charles L. Werner, Rafael Caduff, and Andreas Wiesmann. Inversion of Snow Structure Parameters from Time Series of Tomographic Measurements With SnowScat. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 2472-2475, 2017. Keyword(s): SAR Processing, SAR Tomography, Tomographic profiling, SnowScat, ESA, European Space Agency, X-Band, Ku-Band, Polarimetry, ground-based radar, Snow, Snowpack, geophysical signal processing, radar polarimetry, synthetic aperture radar, SWE, Snow Water Equivalent, Autofocus, Time-Domain Back-Projection, TDBP, Backprojection. [Abstract] [bibtex-entry]


  18. M. Adnan Siddique, Irena Hajnsek, and Othmar Frey. A Case Study on the Use of Differential SAR Tomography for Measuring Deformation in Layover Areas in Rugged Alpine Terrain. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 5850-5853, 2017. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), SAR Interferometry, InSAR, interferometric stacking, persistent scatterer interferometry, PSI, spaceborne SAR radar interferometry, spaceborne radar, X-Band, TerraSAR-X, synthetic aperture radar, tomography, 3-D point cloud retrieval, SAR tomography based 3-D point cloud extraction, high-resolution spaceborne SAR, Cosmo Skymed, interferometric stack, layover scenario case, persistent scatterer interferometry, PSI, point-like scatterer, processing approach, Alpine Remote Sensing, Spaceborne radar, Synthetic aperture radar, Three-dimensional displays, Tomography, 3-D point cloud, SAR interferometry. [Abstract] [bibtex-entry]


  19. Simone Baffelli, Othmar Frey, Charles L. Werner, and Irena Hajnsek. System Characterization and Polarimetric Calibration of the Ku-Band Advanced Polarimetric Interferometer. In Proc. of EUSAR 2016 - 11th European Conference on Synthetic Aperture Radar, pages 735-740, June 2016. Keyword(s): Terrestrial Radar Interferometry, TRI, Ground-based radar, Interferometry, Polarimetry, Calibration, Pol-GPRI. [Abstract] [bibtex-entry]


  20. Othmar Frey, Charles L. Werner, Rafael Caduff, and Andreas Wiesmann. A time series of SAR tomographic profiles of a snowpack. In Proc. of EUSAR 2016, pages 726-730, June 2016. Keyword(s): SAR Processing, SAR Tomography, Tomographic profiling, SnowScat, ESA, European Space Agency, X-Band, Ku-Band, Polarimetry, ground-based radar, Snow, Snowpack, geophysical signal processing, radar polarimetry, synthetic aperture radar. [Abstract] [bibtex-entry]


  21. Othmar Frey, Charles L. Werner, Rafael Caduff, and Andreas Wiesmann. A time series of tomographic profiles of a snow pack measured with SnowScat at X-/Ku-Band. In Proc. IEEE Int. Geosci. Remote Sens. Symp., volume 1, pages 17-20, July 2016. Keyword(s): SAR Processing, SAR Tomography, Tomographic profiling, SnowScat, ESA, European Space Agency, X-Band, Ku-Band, Polarimetry, ground-based radar, Snow, Snowpack, geophysical signal processing, radar polarimetry, synthetic aperture radar. [Abstract] [bibtex-entry]


  22. M. Adnan Siddique, Urs Wegmuller, Irena Hajnsek, and Othmar Frey. SAR tomography as an add-on to PSI for improved deformation sampling in urban areas: a quality assessment. In Proc. of EUSAR 2016 - 11th European Conference on Synthetic Aperture Radar, pages 669-612, June 2016. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), SAR Interferometry, InSAR, interferometric stacking, persistent scatterer interferometry, PSI, spaceborne SAR radar interferometry, spaceborne radar, X-Band, TerraSAR-X, synthetic aperture radar, tomography, 3-D point cloud retrieval, Barcelona, SAR tomography based 3-D point cloud extraction, high-resolution spaceborne TerraSAR-X data, interferometric stack, high-rise building vertical tomographic slice, layover scenario case, persistent scatterer interferometry, PSI, point-like scatterer, processing approach, Urban Remote Sensing, Spaceborne radar, Synthetic aperture radar, Three-dimensional displays, Tomography, 3-D point cloud, SAR interferometry. [Abstract] [bibtex-entry]


  23. Muhammad Adnan Siddique, Urs Wegmuller, Irena Hajnsek, and Othmar Frey. SAR tomography as an add-on to PSI: gain in deformation sampling vis-a-vis quality of the detected scatterers. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 1452-1455, July 2016. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), SAR Interferometry, InSAR, interferometric stacking, persistent scatterer interferometry, PSI, spaceborne SAR radar interferometry, spaceborne radar, X-Band, TerraSAR-X, synthetic aperture radar, tomography, 3-D point cloud retrieval, Barcelona, SAR tomography based 3-D point cloud extraction, high-resolution spaceborne TerraSAR-X data, interferometric stack, high-rise building vertical tomographic slice, layover scenario case, persistent scatterer interferometry, PSI, point-like scatterer, processing approach, Urban Remote Sensing, Spaceborne radar, Synthetic aperture radar, Three-dimensional displays, Tomography, 3-D point cloud, SAR interferometry. [Abstract] [bibtex-entry]


  24. Urs Wegmuller, Charles L. Werner, Andreas Wiesmann, Penelope Kourkouli, and Othmar Frey. Time-series analysis of Sentinel-1 interferometric wide swath data: techniques and challanges. In Proc. IEEE Int. Geosci. Remote Sens. Symp., volume 1, pages 3898-3901, July 2016. Keyword(s): SAR Processing, SAR Interferometry, InSAR, differential SAR interferometry, D-InSAR, TOPS interferometry, TOPS mode, Sentinel-1, Spaceborne SAR, C-Band. [bibtex-entry]


  25. Othmar Frey, Charles L. Werner, Martin Schneebeli, Amy Macfarlane, and Andreas Wiesmann. Enhancement of SnowScat for tomographic observation capabilities. In Proc. FRINGE 2015, ESA SP-731, March 2015. Keyword(s): SAR Processing, SAR Tomography, Snow, Snowpack, X-band, Ku-band, SnowScat, ESA, European Space Agency. [Abstract] [bibtex-entry]


  26. Othmar Frey, Charles L. Werner, and Andreas Wiesmann. SnowScat tomography: first experimental results. In Proc. IEEE Int. Geosci. Remote Sens. Symp., volume 1, pages 1-4, July 2015. Note: Abstract.Keyword(s): SAR Processing, SAR Tomography, Tomographic profiling, SnowScat, ESA, European Space Agency, X-Band, Ku-Band, Polarimetry, ground-based radar, Snow, Snowpack, geophysical signal processing, radar polarimetry, synthetic aperture radar. [Abstract] [bibtex-entry]


  27. Othmar Frey, Charles L. Werner, and Andreas Wiesmann. Tomographic Profiling of the Structure of a Snow Pack at X-/Ku-Band Using SnowScat in SAR Mode. In Proc. EuRAD 2015 - 12th European Radar Conference, pages 21-24, September 2015. Keyword(s): SAR Processing, SAR Tomography, Tomographic profiling, SnowScat, ESA, European Space Agency, X-Band, Ku-Band, Polarimetry, ground-based radar, Snow, Snowpack, geophysical signal processing, radar polarimetry, synthetic aperture radar. [Abstract] [bibtex-entry]


  28. Muhammad Adnan Siddique, Irena Hajnsek, Urs Wegmuller, and Othmar Frey. Investigating the Combined Use of Differential SAR Tomography and PSI for Spatio-Temporal Inversion. In Proc. Joint Urban Remote Sensing Event - JURSE, pages 1-4, March 2015. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, thermal dilation, urban, urban remote sensing, buildings, estimation, remote sensing, synthetic aperture radar, thermal expansion, tomography, urban areas. [Abstract] [bibtex-entry]


  29. Muhammad Adnan Siddique, Irena Hajnsek, Urs Wegmuller, and Othmar Frey. Towards the integration of SAR tomography and PSI for improved deformation assessment in urban areas. In Proc. FRINGE 2015, ESA SP-731, March 2015. Keyword(s): SAR Processing, SAR Tomography, persistent scatterer interferometry, PSI, DInSAR, multibaseline interferometry, interferometric stacking, deformation monitoring, subsidence monitoring, thermal dilation, urban, urban remote sensing. [Abstract] [bibtex-entry]


  30. Muhammad Adnan Siddique, Urs Wegmuller, Irena Hajnsek, and Othmar Frey. SAR tomography for spatio-temporal inversion of point-like scatterers in urban areas. In Proc. IEEE Int. Geosci. Remote Sens. Symp., volume 1, pages 5272-5275, July 2015. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), SAR Interferometry, InSAR, interferometric stacking, persistent scatterer interferometry, PSI, spaceborne SAR radar interferometry, spaceborne radar, X-Band, TerraSAR-X, synthetic aperture radar, tomography, 3-D point cloud retrieval, Barcelona, SAR tomography based 3-D point cloud extraction, high-resolution spaceborne TerraSAR-X data, interferometric stack, high-rise building vertical tomographic slice, layover scenario case, persistent scatterer interferometry, PSI, point-like scatterer, processing approach, Urban Remote Sensing, Spaceborne radar, Synthetic aperture radar, Three-dimensional displays, Tomography, 3-D point cloud, SAR interferometry. [Abstract] [bibtex-entry]


  31. Urs Wegmuller, Charles L. Werner, Tazio Strozzi, Andreas Wiesmann, and Othmar Frey. Sentinel-1 support in the GAMMA Software. In Proc. FRINGE 2015, ESA SP-731, pages 1-6, March 2015. Keyword(s): SAR Processing, Sentinel-1, Spaceborne SAR, C-band, European Space Agency, ESA, Terrain Observation by Progressive Scans, TOPS, TOPSAR. [Abstract] [bibtex-entry]


  32. Urs Wegmuller, Charles L. Werner, Tazio Strozzi, Andreas Wiesmann, Othmar Frey, and Maurizio Santoro. Sentinel-1 IWS mode support in the GAMMA software. In IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR), pages 431-436, September 2015. Keyword(s): SAR Processing, TOPS, TOPS mode, Terrain Observation by Progressive Scans, Sentinel-1, Interferometry, SAR Interferometry, Spaceborne SAR, geophysics computing, image registration, meta data, radar computing, radar imaging, radar interferometry, remote sensing by radar, synthetic aperture radar, Fhe steep azimuth spectra ramp, GAMMA software, IWS data, InSAR processing, PSI, Sentinel-1 IWS mode support, Sentinel-1 SAR, TOPS, high-level software package, interferometrie wide-swath data, meta data, synthetic aperture radar, Apertures, Conferences, Decision support systems, DINSAR, GAMMA Software, Nepal earthquake, PSI, Sentinel-1 TOPS IWS, ionospheric effects, offset-tracking, spectral diversity, split-beam interferometry. [Abstract] [bibtex-entry]


  33. Urs Wegmuller, Charles L. Werner, Andreas Wiesmann, Tazio Strozzi, and Othmar Frey. Wide-area persistent scatterer interferometry with Sentinel-1 TOPS mode data. In Proc. IEEE Int. Geosci. Remote Sens. Symp., volume 1, pages 1-4, July 2015. Note: Abstract.Keyword(s): SAR Processing, Sentinel-1, TOPS, Terrain Observation by progressive scans, ESA, European Space Agency, C-Band, Spaceborne SAR, Persistent Scatterer Interferometry, PSI, Interferometry, SAR Interferometry, geophysical signal processing, radar polarimetry, synthetic aperture radar. [Abstract] [bibtex-entry]


  34. Othmar Frey, Irena Hajnsek, Urs Wegmuller, and Charles L. Werner. SAR tomography based 3-D point cloud extraction of point-like scatterers in urban areas. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 1313-1316, July 2014. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), SAR Interferometry, InSAR, interferometric stacking, persistent scatterer interferometry, PSI, spaceborne SAR radar interferometry, spaceborne radar, X-Band, TerraSAR-X, synthetic aperture radar, tomography, 3-D point cloud retrieval, Barcelona, SAR tomography based 3-D point cloud extraction, high-resolution spaceborne TerraSAR-X data, interferometric stack, high-rise building vertical tomographic slice, layover scenario case, persistent scatterer interferometry, PSI, point-like scatterer, processing approach, Urban Remote Sensing, Spaceborne radar, Synthetic aperture radar, Three-dimensional displays, Tomography, 3-D point cloud, SAR interferometry. [Abstract] [bibtex-entry]


  35. Othmar Frey, Muhammad Adnan Siddique, Irena Hajnsek, Urs Wegmuller, and Charles L. Werner. Combining SAR tomography and a PSI approach for highresolution 3-D imaging of an urban area. In Proc. of EUSAR 2014 - 10th European Conference on Synthetic Aperture Radar, pages 1-4, June 2014. Keyword(s): SAR Processing, SAR tomography, Synthetic aperture radar (SAR), SAR Interferometry, InSAR, interferometric stacking, persistent scatterer interferometry, PSI, spaceborne SAR radar interferometry, spaceborne radar, X-Band, TerraSAR-X, synthetic aperture radar, tomography, 3-D point cloud retrieval, Barcelona, SAR tomography based 3-D point cloud extraction, high-resolution spaceborne TerraSAR-X data, interferometric stack, high-rise building vertical tomographic slice, layover scenario case, persistent scatterer interferometry, PSI, point-like scatterer, processing approach, Urban Remote Sensing, Spaceborne radar, Synthetic aperture radar, Three-dimensional displays, Tomography, 3-D point cloud, SAR interferometry. [Abstract] [bibtex-entry]


  36. Othmar Frey, Charles L. Werner, and Urs Wegmuller. GPU-based parallelized time-domain back-projection processing for agile SAR platforms. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 1132-1135, July 2014. Keyword(s): SAR Processing, Azimuth Focusing, Time-Domain Back-Projection, TDBP, SAR focusing, GPU, GPU-based parallelized TDBP, graphics processing units, motion compensation, parallel processing, radar signal processing, synthetic aperture radar, 3D motion compensation, GPU based backprojection processing, NVIDIA CUDA GPU computing framework, SAR processing scheme, agile SAR platforms, car borne SAR data set, nonlinear sensor trajectories, parallelized backprojection processing, single look complex SAR images, slant azimuth geometry, slant range geometry, synthetic aperture, time domain backprojection processing, Azimuth, Focusing, Graphics processing units, Remote sensing, Synthetic aperture radar, Time-domain analysis, Azimuth focusing, CARSAR, CUDA, GPU, Nonlinear Sensor Trajectory, Parallelization, SAR imaging, SAR interferometry, Synthetic aperture radar (SAR), car-borne SAR, ground-based SAR system. [Abstract] [bibtex-entry]


  37. Othmar Frey, Irena Hajnsek, and Urs Wegmuller. Spaceborne SAR Tomography in Urban Areas. In Proc. IEEE Int. Geosci. Remote Sens. Symp., Melbourne, AUS, pages 69-72, July 2013. Keyword(s): SAR Processing, SAR Tomography, Tomography, SVD, truncated SVD, tikhonov regularization, PSI, Persistent Scatterer Interferometry, Spaceborne SAR, InSAR, DInSAR, geophysical image processing, geophysical techniques, radar interferometry, synthetic aperture radar, Bucarest, PanGEO, ENVISAT, ASAR, ENVISAT ASAR, interferometric technique, Differential SAR Interferometry, single polarization SAR, terrain deformation phenomena, Coherence, Correlation, Interferometry, Synthetic aperture radar, Vectors, Coherence, Terrain deformation, multi-baseline, Spaceborne SAR. [Abstract] [bibtex-entry]


  38. Othmar Frey, Charles L. Werner, Urs Wegmuller, Andreas Wiesmann, Daniel Henke, and Christophe Magnard. A car-borne SAR and InSAR experiment. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 93-96, 2013. Keyword(s): SAR Processing, Time-Domain Back-Projection, TDBP, dechirp-on-receive, FMCW, Frequency-modulated continous wave, Ground-based SAR, car-borne SAR, CARSAR, InSAR, DInSAR, geophysical techniques, ground-based SAR system, radar interferometry, synthetic aperture radar, GAMMA Portable Radar Interferometer (GPRI), GPRI, GPRI-II, PanGEO, interferometric technique, Coherence, Correlation, Interferometry, agile platform,. [Abstract] [bibtex-entry]


  39. Othmar Frey, Erich Meier, and Irena Hajnsek. Towards a more reliable estimation of forest parameters from polarimetric SAR tomography data. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 3110-3113, 2012. Keyword(s): Airborne radar, Array signal processing, Capon, Capon beamformer, L-band, P-band, SAR processing, SAR tomography, beamforming, Focusing, forestry, interferometry, InSAR, multibaseline, multiple signal classification, MUSIC, polarimetry, Remote Sensing, synthetic aperture radar, SAR, scattering, three-dimensional imaging, 3-D imaging, time-domain back-projection, TDBP, tomography, Vegetation. [Abstract] [bibtex-entry]


  40. Othmar Frey, Erich Meier, and Irena Hajnsek. Tweaking baseline constellations for airborne SAR tomography and InSAR: an experimental study at L- and P-bands. In Proc. EUSAR 2012 - 9th European Conference on Synthetic Aperture Radar, pages 215-218, 2012. Keyword(s): Airborne radar, Array signal processing, Capon, Capon beamformer, L-band, P-band, SAR processing, SAR tomography, beamforming, Focusing, forestry, interferometry, InSAR, multibaseline, multiple signal classification, MUSIC, polarimetry, Remote Sensing, synthetic aperture radar, SAR, scattering, three-dimensional imaging, 3-D imaging, time-domain back-projection, TDBP, tomography, Vegetation. [Abstract] [bibtex-entry]


  41. Othmar Frey, Urs Wegmuller, and Charles L. Werner. Terrain motion measurements over European urban areas using persistent scatterer interferometry. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 7565-7568, 2012. Keyword(s): Spaceborne radar, Persistent Scatterer Interferometry, PSI, PanGeo, C-Band, Terrain motion, subsidence, interferometry, InSAR, SAR Interferometry, Remote Sensing, synthetic aperture radar, SAR, scattering, Urban Areas. [Abstract] [bibtex-entry]


  42. Urs Wegmuller, Othmar Frey, and Charles L. Werner. Point Density Reduction in Persistent Scatterer Interferometry. In Proc. EUSAR 2012 - 9th European Conference on Synthetic Aperture Radar, pages 673-676, 2012. Keyword(s): SAR processing, PSI, Persistent Scatterer Interferometry, interferometry, InSAR, multibaseline InSAR, point density, point density reduction. [Abstract] [bibtex-entry]


  43. Othmar Frey and Erich Meier. Characterizing the Backscattering Properties of a Forest by Polarimetric SAR Tomography at L- and P-Bands. In Proc. PolInSAR, 5th Int. Workshop on Science and Applications of SAR Polarimetry and Polarimetric Interferometry, ESA SP-695, Frascati, Italy, January 2011. [bibtex-entry]


  44. Othmar Frey, Erich Meier, and Irena Hajnsek. On the sensitivity of measured backscattering properties to variations of incidence angle and baselines in tomographic SAR data. In Proc. Int. Asia-Pacific Conf. on Synthetic Aperture Radar (APSAR), pages 1-4, September 2011. Keyword(s): Airborne radar, Array signal processing, Capon, Capon beamformer, L-band, P-band, SAR processing, SAR tomography, beamforming, Focusing, forestry, interferometry, InSAR, multibaseline, multiple signal classification, MUSIC, polarimetry, Remote Sensing, sensitivity analysis, synthetic aperture radar, SAR, three-dimensional imaging, 3-D imaging, time-domain back-projection, TDBP, tomography, Vegetation. [Abstract] [bibtex-entry]


  45. Othmar Frey, Maurizio Santoro, Charles L. Werner, and Urs Wegmuller. DEM-based SAR pixel area estimation for enhanced geocoding refinement and radiometric normalization. In Proc. FRINGE 2011, ESA SP-697, Frascati, Italy, September 2011. Keyword(s): SAR Processing, Geocoding, radiometric calibration, terrain-based radiometric normalization, Coregistration. [Abstract] [bibtex-entry]


  46. Urs Wegmuller, Charles L. Werner, Othmar Frey, Tazio Strozzi, and Maurizio Santoro. Multi-pass ERS-ENVISAT cross-interferometry methods and results. In Proc. FRINGE 2011, ESA SP-697, Frascati, Italy, September 2011. Keyword(s): SAR Processing, Interferometry, InSAR, SAR Interferometry, Multi-pass InSAR, ERS, ENVISAT, ASAR, ERS-ENVISAT, C-Band, Spaceborne SAR. [Abstract] [bibtex-entry]


  47. Charles L. Werner, Urs Wegmuller, Othmar Frey, and Maurizio Santoro. Interferometric processing of PALSAR Wide-Beam SCANSAR Data. In Proc. FRINGE 2011, ESA SP-697, Frascati, Italy, September 2011. Keyword(s): SAR Processing, Interferometry, InSAR, SAR Interferometry, PALSAR, ALOS PALSAR, ScanSAR, L-Band, Spaceborne SAR. [Abstract] [bibtex-entry]


  48. Othmar Frey. SAR Imaging in the Time-Domain for Nonlinear Sensor Trajectories and SAR Tomography. In Proc. CEOS SAR Calibration and Validation Workshop, Zurich, Switzerland, August 2010. Note: Abstract.[bibtex-entry]


  49. Othmar Frey and Erich Meier. 3D SAR Imaging of a Forest Using Airborne MB-SAR Data at L- and P-Band: Data Processing and Analysis. In Proc. EUSAR 2010 - 8th European Conference on Synthetic Aperture Radar, pages 166-169, 2010. Keyword(s): Airborne radar, Array signal processing, Capon, Capon beamformer, L-band, P-band, SAR processing, SAR tomography, beamforming, Focusing, forestry, interferometry, InSAR, multibaseline, multiple signal classification, MUSIC, polarimetry, Remote Sensing, synthetic aperture radar, SAR, three-dimensional imaging, 3-D imaging, time-domain back-projection, TDBP, tomography, Vegetation. [Abstract] [bibtex-entry]


  50. Othmar Frey and Erich Meier. Analyzing Tomographic SAR Data of a Forest With Respect to Frequency, Polarization, and Focusing Techniques. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 150-153, July 2010. Note: Invited Paper. Keyword(s): Airborne radar, Array signal processing, Capon, Capon beamformer, L-band, P-band, SAR processing, SAR tomography, beamforming, Focusing, forestry, interferometry, InSAR, multibaseline, multiple signal classification, MUSIC, polarimetry, Remote Sensing, synthetic aperture radar, SAR, three-dimensional imaging, 3-D imaging, time-domain back-projection, TDBP, tomography, Vegetation. [Abstract] [bibtex-entry]


  51. Othmar Frey and Erich Meier. A Comparative Tomographic Evaluation of Airborne Multi-Baseline SAR Data at P- and L-Band. In IEEE Int. Geosci. and Remote Sens. Symp., 2009. Note: Invited Talk, Abstract. [bibtex-entry]


  52. Othmar Frey, Christophe Magnard, Maurice Rüegg, and Erich Meier. Focusing SAR Data Acquired From Non-Linear Sensor Trajectories. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 415-418, 2008. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, Nonlinear Flight Tracks, Curvilinear SAR, Extended Chirp Scaling, ECS, Mosaicking, Geocoding, Integrated Focusing and Geocoding, Georeferencing, mapping, corridor mapping, E-SAR, L-Band, digital elevation model, Airborne SAR. [Abstract] [bibtex-entry]


  53. Othmar Frey, Christophe Magnard, Maurice Rüegg, and Erich Meier. Non-Linear SAR Data Processing By Time-Domain Back-Projection. In Proc. EUSAR 2008 - 7th European Conference on Synthetic Aperture Radar, pages 165-168, 2008. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, Non-Linear Flight Tracks, Curvilinear SAR, Extended Chirp Scaling, ECS, Mosaicking, Geocoding, Integrated Focusing and Geocoding, Georeferencing, mapping, corridor mapping.E-SAR, L-Band, digital elevation model, Airborne SAR. [Abstract] [bibtex-entry]


  54. Othmar Frey and Erich Meier. Combining Time-Domain Back-Projection and Capon Beamforming for Tomographic SAR Processing. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 445-448, 2008. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry, Capon, Capon Beamforming, Superresolution. [Abstract] [bibtex-entry]


  55. Othmar Frey and Erich Meier. Tomographic Focusing by Combining Time-Domain Back-Projection and Multi-Looking Based Focusing Techniques. In Proc. EUSAR 2008 - 7th European Conference on Synthetic Aperture Radar, pages 73-76, 2008. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry, Capon, Capon Beamforming, Superresolution. [Abstract] [bibtex-entry]


  56. Christophe Magnard, Othmar Frey, Maurice Rüegg, and Erich Meier. Improved Airborne SAR Data Processing by Blockwise Focusing, Mosaicking and Geocoding. In Proc. EUSAR 2008 - 7th European Conference on Synthetic Aperture Radar, pages 375-378, 2008. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, Non-Linear Flight Tracks, Curvilinear SAR, Extended Chirp Scaling, ECS, Mosaicking, Geocoding, Integrated Focusing and Geocoding, Georeferencing, mapping, corridor mapping.E-SAR, L-Band, digital elevation model, Airborne SAR. [Abstract] [bibtex-entry]


  57. Othmar Frey, Felix Morsdorf, and Erich Meier. Tomographic Processing of Multi-Baseline P-Band SAR Data for Imaging of a Forested Area. In Proc. IEEE Int. Geosci. Remote Sens. Symp., 2007. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry. [Abstract] [bibtex-entry]


  58. Othmar Frey, Felix Morsdorf, and Erich Meier. Tomographic SAR Imaging of a Forested Area by Time-Domain Back-Projection. In M.E. Schaepman, S. Liang, N.E. Groot, and M. Kneubühler, editors, 10th Intl. Symposium on Physical Measurements and Spectral Signatures in Remote Sensing, volume XXXVI, 2007. Intl. Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Keyword(s): SAR Processing, SAR Tomography, Tomographic Processing, Multi-Baseline SAR, Time-Domain Back-Projection, Back-Projection, E-SAR, P-Band, Forestry. [Abstract] [bibtex-entry]


  59. Othmar Frey, Erich Meier, and Daniel Nüesch. An Integrated Focusing and Calibration Procedure for Airborne SAR Data. In Proc. EUSAR 2006 - 6th European Conference on Synthetic Aperture Radar, 2006. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, Terrain Correction, Radiometry, Radiometric Calibration, Radiometric Correction, Terrain, Topography, DEM Geocoding, Geocoding, DLR, E-SAR, Airborne SAR, L-Band. [Abstract] [bibtex-entry]


  60. Othmar Frey, Erich Meier, and Daniel Nüesch. A Study on Integrated SAR Processing and Geocoding by Means of Time-Domain Backprojection. In Proc. Int. Radar Symp., 2005. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, Geocoding, Radiometry, Calibration, Radiometric Calibration, ENVISAT/ASAR, Spaceborne SAR. [Abstract] [bibtex-entry]


  61. Othmar Frey, Erich Meier, and Daniel Nüesch. Processing SAR data of rugged terrain by time-domain back-projection. In SPIE Vol. 5980: SAR Image Analysis, Modeling, and Techniques X, 2005. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, Terrain Correction, Radiometry, Radiometric Calibration, Radiometric Correction, Terrain, Topography, DEM Geocoding, ENVISAT/ASAR, Spaceborne SAR. [Abstract] [bibtex-entry]


  62. Othmar Frey, Erich Meier, Daniel Nüesch, and Achim Roth. Geometric Error Budget Analysis for TerraSAR-X. In Proc. EUSAR 2004 - 5th European Conference on Synthetic Aperture Radar, Ulm, Germany, pages 513-516, May 2004. Keyword(s): SAR Processing, SAR Geocoding, Geocoding, Error Budget Analysis, TerraSAR-X, Atmospheric Correction, Atmospheric Path Delay, Ionosheric Path Delay, Antenna Gain Pattern Correction. [Abstract] [bibtex-entry]


  63. Michael Jehle, Othmar Frey, David Small, Erich Meier, and Daniel Nüesch. Improved Knowledge of SAR Geometry through Atmospheric Modelling. In Proc. EUSAR 2004 - 5th European Conference on Synthetic Aperture Radar, Ulm, Germany, pages 909-911, May 2004. Keyword(s): Geocoding, Geometry, Atmospheric Path Delay, Ionosheric Path Delay, Tropospheric Path Delay, Atmospheric Modelling. [Abstract] [bibtex-entry]


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Last modified: Mon Feb 1 16:39:01 2021
Author: Othmar Frey, Earth Observation and Remote Sensing, Institute of Environmental Engineering, Swiss Federal Institute of Technology - ETH Zurich .


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