Craig Warren

Search results

• 2024

  Automatic segmentation of radar data from the Chang’E-4 mission using unsupervised machine learning: A data-driven interpretation approach

  Giannakis, I., McDonald, C., Feng, J., Zhou, F., Su, Y., Martin-Torres, J., Zorzano-Mier, M-P., Warren, C., Giannopoulos, A. & Leontidis, G., 15 Jul 2024, In: Icarus. 417, 11 p., 116108.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  1 Citation (Scopus)

  28 Downloads (Pure)

• Evidence of shallow basaltic lava layers in Von Kármán crater from Yutu-2 Lunar Penetrating Radar

  Giannakis, I., Martin-Torres, J., Su, Y., Feng, J., Zhou, F., Zorzano, M. P., Warren, C. & Giannopoulos, A., 15 Jan 2024, In: Icarus. 408, 11 p., 115837.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  4 Citations (Scopus)

  18 Downloads (Pure)

• Foreword

  Giannakis, I., Giannopoulos, A. & Warren, C., Apr 2024, In: Near Surface Geophysics. 22, 2, p. 125-126 2 p.

  Research output: Contribution to journal › Editorial › peer-review
• 2023

  Efficient finite-difference time-domain simulation of step-frequency continuous-wave ground penetrating radar systems

  Giannopoulos, A., Warren, C. & Giannakis, I., 3 Sept 2023, NSG2023 29th European Meeting of Environmental and Engineering Geophysics. Bunnik, Netherlands: European Association of Geoscientists and Engineers, EAGE, p. 1-5 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• Investigating the radar response of englacial debris entrained basal ice units in East Antarctica using electromagnetic forward modelling

  Franke, S., Gerber, T., Warren, C., Jansen, D., Eisen, O. & Dahl-Jensen, D., 2023, In: IEEE Transactions on Geoscience and Remote Sensing. 61, p. 1-16 17 p., 4301516.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  5 Citations (Scopus)

  34 Downloads (Pure)

• Stochastic Hyperbola Fitting, Probabilistic Inversion, Reverse-Time Migration and Clustering: A Novel Interpretation Toolbox for In-Situ Planetary Radar

  Giannakis, I., Martin-Torres, J., Zorzano, M-P., Warren, C. & Giannopoulos, A., 1 Aug 2023, In: Icarus. 400, 12 p., 115555.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
  6 Citations (Scopus)

  57 Downloads (Pure)
• 2022

  Development of a workflow for processing ground-penetrating radar data from multiconcurrent receivers

  Angelis, D., Warren, C., Diamanti, N., Martin, J. & Annan, P., 1 Jul 2022, In: Geophysics. 87, 4, p. WB9-WB18 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Ground Penetrating Radar 100%
  • Radar Data 66%
  • Datum 44%
  • Receiver 44%
  • Time 22%
  4 Citations (Scopus)

  15 Downloads (Pure)

• Fractal-Constrained Crosshole/Borehole-to-Surface Full Waveform Inversion for Hydrogeological Applications Using Ground-Penetrating Radar

  Giannakis, I., Giannopoulos, A., Warren, C. & Sofroniou, A., 1 Jan 2022, In: IEEE Transactions on Geoscience and Remote Sensing. 60, 10 p., 5901110.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Inversion 100%
  • Waveform 100%
  • Fractal 50%
  • Water 37%
  • Need 37%
  8 Citations (Scopus)

  30 Downloads (Pure)

• On the Limitations of Hyperbola Fitting for Estimating the Radius of Cylindrical Targets in Non-Destructive Testing and Utility Detection

  Giannakis, I., Zhou, F., Warren, C. & Giannopoulos, A., 11 Aug 2022, In: IEEE Geoscience and Remote Sensing Letters. 19, p. 1-5 5 p., 8029005.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Targets 100%
  • Estimating 100%
  • Media 75%
  • Speed 50%
  • Ground Penetrating Radar 50%
  18 Citations (Scopus)

  61 Downloads (Pure)

• The effects of receiver arrangement on velocity analysis with multi‐concurrent receiver GPR data

  Angelis, D., Warren, C., Diamanti, N., Martin, J. & Annan, A. P., 1 Oct 2022, In: Near Surface Geophysics. 20, 5, p. 519-530 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Receiver 100%
  • Speed 77%
  • Ground Penetrating Radar 66%
  • Model 33%
  • Survey 33%
  3 Citations (Scopus)

  80 Downloads (Pure)
• 2021

  A Machine Learning Scheme For Estimating The Diameter of Reinforcing Bars Using Ground Penetrating Radar

  Giannakis, I., Giannopoulos, A. & Warren, C., Mar 2021, In: IEEE Geoscience and Remote Sensing Letters. 18, 3, p. 461-465 5 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Ground-Penetrating Radar 100%
  • Procedure 66%
  • Time 33%
  • Sensor 33%
  • Configuration 33%
  52 Citations (Scopus)

  107 Downloads (Pure)

• A Novel Radar Processing Tool for Estimating the Permittivity Profile of the Shallow Lunar Ejecta: A Case Study at the Von Kármán Crater

  Giannakis, I., Zhou, F., Warren, C. & Giannopoulos, A., 3 Mar 2021, p. EGU21-1451. 2 p.

  Research output: Contribution to conference › Abstract

  Open Access

  File

  • Space Weathering 100%
  • Lunar Probes 100%
  • Lunar Soil 100%
  31 Downloads (Pure)

• A Shallow Layered Structure at Chang'E-4 Landing Site Revealed Using Lunar Penetrating Radar

  Giannakis, I., Zhou, F., Warren, C. & Giannopoulos, A., 15 Mar 2021. 2 p.

  Research output: Contribution to conference › Paper › peer-review

  Open Access

  File
  32 Downloads (Pure)

• Challenges and opportunities from large volume, multioffset Ground Penetrating Radar data

  Angelis, D., Warren, C., Diamanti, N., Martin, J. & Annan, P., 19 Apr 2021, p. EGU21-13138. 2 p.

  Research output: Contribution to conference › Abstract

  Open Access

  File

  • Ground Penetrating Radar 100%
  • Radar Data 66%
  • Speed 44%
  • Reflection 44%
  • Refraction 33%
  42 Downloads (Pure)

• Fractal-Based Orthonormal Basis for Compressing and Reducing the Dimensionality of Full-Waveform Inversion for Hydrogeological Applications Using Ground-Penetrating Radar

  Giannakis, I., Warren, C., Giannopoulos, A. & Sofroniou, A., 19 Apr 2021. 2 p.

  Research output: Contribution to conference › Abstract

  Open Access

  File

  • Waveform 100%
  • Inversion 50%
  • Need 21%
  • Optimization 21%
  • Loss 14%
  23 Downloads (Pure)

• gprMax: An Open Source Electromagnetic Simulator for Generating Big Data for Ground Penetrating Radar Applications

  Warren, C., Giannakis, I. & Giannopoulos, A., 19 Apr 2021. 2 p.

  Research output: Contribution to conference › Abstract

  Open Access

  File

  • Ground Penetrating Radar 100%
  • Data Set 80%
  • Datum 60%
  • Utilization 60%
  • Diameter 60%
  18 Downloads (Pure)

• Inferring the Shallow Layered Structure at the Chang’E-4 Landing Site: A Novel Interpretation Approach Using Lunar Penetrating Radar

  Giannakis, I., Zhou, F., Warren, C. & Giannopoulos, A., 28 Aug 2021, In: Geophysical Research Letters. 48, 16, p. 1-14 14 p., e2021GL092866.

  Research output: Contribution to journal › Letter › peer-review

  Open Access

  File

  • Homogeneous Medium 100%
  • Landing Site 100%
  • Regolith 50%
  18 Citations (Scopus)

  38 Downloads (Pure)

• Machine Learning Based Forward Solver: An Automatic Framework in gprMax

  Akhaury, U., Giannakis, I., Warren, C. & Giannopoulos, A., 1 Dec 2021, 2021 11th International Workshop on Advanced Ground Penetrating Radar (IWAGPR). Piscataway: IEEE, 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  File

  • Time 100%
  • Learning 100%
  • Machine Learning 100%
  • Electromagnetism 66%
  • Software 33%
  1 Citation (Scopus)

  15 Downloads (Pure)

• Modelling Arbitrary Complex Dielectric Properties – an automated implementation for gprMax

  Majchrowska, S., Giannakis, I., Warren, C. & Giannopoulos, A., 1 Dec 2021, 2021 11th International Workshop on Advanced Ground Penetrating Radar (IWAGPR). Piscataway: IEEE, 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  File

  • Model 100%
  • Water 100%
  • Ground Penetrating Radar 100%
  • Finite Difference Time Domain Method 100%
  • Algorithms 50%
  1 Citation (Scopus)

  33 Downloads (Pure)
• 2020

  2.5D crosshole GPR full-waveform inversion with synthetic and measured data

  Mozaffari, A., Klotzsche, A., Warren, C., He, G., Giannopoulos, A., Vereecken, H. & Van der Kruk, J., 1 Jul 2020, In: Geophysics. 85, 4, p. H71–H82 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Original Amplitude 100%
  13 Citations (Scopus)

  28 Downloads (Pure)

• A software toolset for processing and visualization of single and multi-offset GPR data

  Angelis, D., Warren, C. & Diamanti, N., 11 Nov 2020, 18th international conference on ground penetrating radar: GPR 2020. Bradford, J. & Comas, X. (eds.). Tulsa: Society of Exploration Geophysicists, p. 320-323 4 p. (Proceedings of the International Conference on Ground Penetrating Radar).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  File

  • Sampling Receiver 100%
  • Graphical User Interface 100%
  346 Downloads (Pure)

• Preliminary development of a workflow for processing multi-concurrent receiver GPR data

  Angelis, D., Warren, C. & Diamanti, N., 14 Jun 2020. 7 p.

  Research output: Contribution to conference › Paper › peer-review
• 2019

  A CUDA-based GPU engine for gprMax: open source FDTD electromagnetic simulation software

  Warren, C., Giannopoulos, A., Gray, A., Giannakis, I., Patterson, A., Wetter, L. & Hamrah, A., 1 Apr 2019, In: Computer Physics Communications. 237, p. 208-218 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Transducer 100%
  • Classical Problem 100%
  • Electromagnetic Simulation 100%
  • Bandwidth Memory 100%
  100 Citations (Scopus)

  1211 Downloads (Pure)

• A Machine Learning-Based Fast-Forward Solver for Ground Penetrating Radar With Application to Full-Waveform Inversion

  Giannakis, I., Giannopoulos, A. & Warren, C., Jul 2019, In: IEEE Transactions on Geoscience and Remote Sensing. 57, 7, p. 4417-4426 8630654.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Common Infrastructure 100%
  • Time Domain Simulation 100%
  • Real Time Computation 100%
  77 Citations (Scopus)

  1318 Downloads (Pure)

• Modeling of Multilayered Media Green’s Functions With Rough Interfaces

  Jonard, F., André, F., Pinel, N., Warren, C., Vereecken, H. & Lambot, S., 1 Oct 2019, In: IEEE Transactions on Geoscience and Remote Sensing. 57, 10, p. 7671-7681

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Electric Conductor 100%
  • Material 50%
  • Surface 25%
  • Finite Difference 25%
  • Electromagnetic Wave Scattering 25%
  14 Citations (Scopus)

  130 Downloads (Pure)

• Realistic FDTD GPR antenna models optimized using a novel linear/nonlinear Full-Waveform Inversion

  Giannakis, I., Giannopoulos, A. & Warren, C., Mar 2019, In: IEEE Transactions on Geoscience and Remote Sensing. 57, 3, p. 1768-1778 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Radar Antenna 100%
  • Forward Model 50%
  • Machine Learning Scheme 25%
  • Domain Modeling 25%
  • Complete Description 25%
  48 Citations (Scopus)

  1183 Downloads (Pure)
• 2018

  A Fast GPR Numerical Model Based on Machine Learning with Application to Full Waveform Inversion

  Giannakis, I., Giannopoulos, A. & Warren, C., 9 Sept 2018.

  Research output: Contribution to conference › Paper › peer-review

  • Ground Penetrating Radar 100%
  • Waveform 75%
  • Utilization 50%
  • Model 37%
  • Inversion 37%

• A Huygens subgridding approach for efficient modelling of Ground Penetrating Radar using the Finite-Difference Time-Domain method

  Hartley, J., Giannopoulos, A. & Warren, C., 23 Aug 2018, 2018 17th International Conference on Ground Penetrating Radar, GPR 2018. IEEE, 8441677

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Ground Penetrating Radar 100%
  • Approach 60%
  • Model 60%
  • Simulation Mode 60%
  • Domain 40%
  3 Citations (Scopus)

• A Machine Learning Approach for Simulating Ground Penetrating Radar

  Giannakis, I., Giannopoulos, A. & Warren, C., 23 Aug 2018, 2018 17th International Conference on Ground Penetrating Radar, GPR 2018. IEEE, 8441558

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Machine Learning 100%
  • Time 100%
  • Learning 100%
  • Antenna 100%
  • Training 75%
  16 Citations (Scopus)

• GPR full-waveform inversion, recent developments, and future opportunities

  Van Der Kruk, J., Liu, T., Mozaffari, A., Gueting, N., Klotzsche, A., Vereecken, H., Warren, C. & Giannopoulos, A., 20 Aug 2018, 2018 17th International Conference on Ground Penetrating Radar, GPR 2018. IEEE, 8441667

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Inversion 100%
  • Waveform 57%
  • Ground Penetrating Radar 42%
  • Approach 28%
  • Forward Modeling 28%
  11 Citations (Scopus)

• Introduction to the JEEG Special Issue on IWAGPR2017

  Giannopoulos, A., Diamanti, N. & Warren, C., Dec 2018, In: Journal of Environmental and Engineering Geophysics. 23, 4, p. V-VI

  Research output: Contribution to journal › Editorial

• On the use of Conformal Models and Methods in Dosimetry for Non-Uniform Field Exposure

  Poljak, D., Cvetković, M., Bottauscio, O., Hirata, A., Laakso, I., Neufeld, E., Reboux, S., Warren, C., Giannopolous, A. & Costen, F., Apr 2018, In: IEEE Transactions on Electromagnetic Compatibility. 60, 2, p. 328-337

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Frequencies 100%
  • Dosimetry 100%
  • Utilization 66%
  • Value 66%
  • Finite Element Modeling 66%
  29 Citations (Scopus)

  36 Downloads (Pure)

• Quantifying the mechanisms and wider impacts of accelerated erosion in ice-rich permafrost coasts

  Lim, M., Whalen, D., Fraser, P., Warren, C., Kostylev, V., Malenfant, F., Clark, A., Moorman, B., Hayes, S. & Mann, P., 14 Dec 2018.

  Research output: Contribution to conference › Paper

  • Aerial Survey 100%
  • Diffuse Source 100%

• Recent developments of GPR full-waveform inversion for experimental data

  Klotzsche, A., Mozaffari, A., Warren, C., Liu, T., Giannopoulos, A., Vereecken, H. & Van der Kruk, J., 12 Dec 2018.

  Research output: Contribution to conference › Paper › peer-review

  • Soil Water Content 100%
  • Electromagnetic Property 100%
  • Soil Salinity 100%
  • Soil Texture 100%
• 2017

  Characterisation of a ground penetrating radar antenna in lossless homogeneous and lossy heterogeneous environments

  Warren, C. & Giannopoulos, A., Mar 2017, In: Signal Processing. 132, p. 221-226

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Environment 100%
  • Model 80%
  • Ground Penetrating Radar 80%
  • Fraction 60%
  • Time 40%
  19 Citations (Scopus)

  20 Downloads (Pure)

• Comparison of Time-Domain Finite-Difference, Finite-Integration, and Integral-Equation Methods for Dipole Radiation in Half-Space Environments

  Warren, C., Šesnić, S., Ventura, A., Pajewski, L., Poljak, D. & Giannopoulos, A., 18 Jun 2017, (E-pub ahead of print) In: Progress In Electromagnetics Research M. 57, p. 175-183

  Research output: Contribution to journal › Article › peer-review

  • Integral Equations 100%
  • Half Spaces 75%
  • Ground Penetrating Radar 50%
  • Aerospace Environments 25%
  • Finite Difference Time Domain Method 25%
  13 Citations (Scopus)

• Electromagnetic modelling, inversion, imaging and data-processing techniques for Ground Penetrating Radar: main results achieved by Working Group 3 of COST Action TU1208

  Pajewski, L., Warren, C., Giannopoulos, A., Lambot, S., Pirrone, D., Randazzo, A., Sesnic, S., Benedetto, F. & Economou, N., Jun 2017.

  Research output: Contribution to conference › Paper

• Foreword of IWAGPR2017-the 9th International Workshop on Advanced Ground Penetrating Radar

  Giannopoulos, A. & Warren, C., 31 Jul 2017, 2017 9th International Workshop on Advanced Ground Penetrating Radar, IWAGPR 2017 - Proceedings. IEEE

  Research output: Chapter in Book/Report/Conference proceeding › Foreword/postscript

  • Ground Penetrating Radar 100%
  • Research 75%
  • Science and Technology 25%
  • United Kingdom 25%
  • Event 25%

• Short-term scientific missions on forward and inverse electromagnetic-scattering techniques for ground penetrating radar

  Pajewski, L., Giannopoulos, A., Marciniak, M., Meschino, S., Popov, A., Prokopovich, I., Ventura, A. & Warren, C., 4 May 2017.

  Research output: Contribution to conference › Paper › peer-review

  Open Access

  File

  • Ground-Penetrating Radar 100%
  • Civil Engineering 33%
  • Focused Activity 33%
  • Scientific Collaboration 33%
  • Electromagnetic Scattering 33%
  3 Citations (Scopus)

  21 Downloads (Pure)
• 2016

  2.5 D Crosshole GPR Full-waveform Inversion

  Mozaffari, A., Klotzsche, A., Guowei, H., Giannopoulos, A., Warren, C., Vereecken, H. & Van der Kruk, J., 14 Dec 2016.

  Research output: Contribution to conference › Poster

  • Waveform 100%
  • Ground Penetrating Radar 66%
  • Model 33%
  • Simulation Mode 33%
  • Waves 33%

• A comparison of finite-difference, finite-integration, and integral-equation methods in the time-domain for modelling ground penetrating radar antennas

  Warren, C., Pajewski, L., Poljak, D., Ventura, A., Giannopoulos, A. & Šesnić, S., 22 Sept 2016.

  Research output: Contribution to conference › Paper › peer-review

  • Antenna 100%
  • Model 55%
  • Datum 44%
  • Simulation 44%
  • Ground Penetrating Radar 33%
  16 Citations (Scopus)

• An evaluation of Finite-Difference and Finite-Integration Time-Domain modelling tools for Ground Penetrating Radar antennas

  Warren, C., Pajewski, L., Ventura, A. & Giannopoulos, A., 2 Jun 2016.

  Research output: Contribution to conference › Paper › peer-review

  Open Access

  File

  • Antenna 100%
  • Ground Penetrating Radar 71%
  • Simulation 57%
  • Domains 28%
  • Information 28%
  1 Citation (Scopus)

  14 Downloads (Pure)

• Experimental and modeled performance of a ground penetrating radar antenna in lossy dielectrics

  Warren, C. & Giannopoulos, A., 28 Jan 2016, In: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 9, 1, p. 29-36

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Antenna 100%
  • Ground Penetrating Radar 55%
  • Radiation 44%
  • Model 33%
  • Time 33%
  26 Citations (Scopus)

  27 Downloads (Pure)

• gprMax: Open source software to simulate electromagnetic wave propagation for ground penetrating radar

  Warren, C., Giannopoulos, A. & Giannakis, I., 8 Sept 2016, (E-pub ahead of print) In: Computer Physics Communications. 209, p. 163-170

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Ground Penetrating Radar 100%
  • Numerical Modeling 75%
  • Diffraction 50%
  • Electromagnetic Wave 50%
  • Finite Difference Time Domain Method 50%
  761 Citations (Scopus)

  1198 Downloads (Pure)

• Influence of lossless and lossy, heterogeneous environments on Ground Penetrating Radar antenna behaviour

  Warren, C. & Giannopoulos, A., 11 Jan 2016, (E-pub ahead of print).

  Research output: Contribution to conference › Paper › peer-review

  • Ground Penetrating Radar 100%
  • Environment 83%
  • Soil 83%
  • Model 66%
  • Fraction 50%

• Short-Term Scientific Missions on electromagnetic modelling and inversion techniques for Ground Penetrating Radar-COST Action TU1208

  Pajewski, L., Giannopoulos, A., Lambot, S., Marciniak, M., Meschino, S., Pinel, N., Sbartai, M. & Warren, C., 2 Jun 2016.

  Research output: Contribution to conference › Paper › peer-review

  Open Access

  File

  • Mathematical Model 100%
  • Science and Technology 75%
  • Ground Penetrating Radar 75%
  • Europeans 75%
  • Technology 75%
  6 Citations (Scopus)

  16 Downloads (Pure)

• Towards 3D full-waveform inversion of crosshole GPR data

  Mozaffari, A., Klotzsche, A., He, G., Vereecken, H., van der Kruk, J., Warren, C. & Giannopoulos, A., 22 Sept 2016.

  Research output: Contribution to conference › Paper › peer-review

  • Refracted Wave 100%
  • Field Approximation 100%
  7 Citations (Scopus)
• 2015

  An advanced GPR modelling framework: The next generation of gprMax

  Warren, C., Giannopoulos, A. & Giannakis, I., 8 Oct 2015, (E-pub ahead of print).

  Research output: Contribution to conference › Paper › peer-review

  • Ground Penetrating Radar 100%
  • Domain 66%
  • Domains 66%
  • Generation 66%
  • Time Difference 66%
  58 Citations (Scopus)

• An extension module to embed commercially sensitive antenna models in GprMax

  Warren, C., Giannopoulos, A., Diamanti, N. & Annan, P., 8 Oct 2015.

  Research output: Contribution to conference › Paper › peer-review

  • Model 100%
  • Module 37%
  • Ground Penetrating Radar 37%
  • Intellectual Property 25%
  • Datum 12%
  3 Citations (Scopus)

• A realistic FDTD numerical modeling framework of ground penetrating radar for landmine detection

  Giannakis, I., Giannopoulos, A. & Warren, C., 28 Aug 2015, In: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 9, 1, p. 37-51

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Landmine 100%
  • Ground Penetrating Radar 83%
  • Soil 66%
  • Fraction 50%
  • Model 33%
  163 Citations (Scopus)

  19 Downloads (Pure)