This section presents a comprehensive list of publications resulting from our research activities, including articles in peer-reviewed journals, conference and workshop abstracts. These works reflect the scientific rigor and intellectual contributions of our team, disseminating findings to the broader academic and professional communities. Each entry includes a link to full texts or publisher pages.
Navigate by year: 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
2025
| Title | Authors | Journal / Conference |
| Exploring the Velocity-Spreading Factor and its Consequences Through Dynamic Ray-Tracing in General Anisotropic Media | Tiago A. A. Coimbra, Rodrigo Bloot | Differential Equations and Dynamical Systems |
2024
| Title | Authors | Journal / Conference |
| Quantifying anisotropy parameters in weakly anisotropic media through diffraction traveltime parameter clusters | Tiago A. A. Coimbra, Rodrigo Bloot, Alexandre W. Camargo and Jorge H. Faccipieri Junior | Brazilian Journal of Geophysics |
| Hybrid GDS-Cache Approach to Boost IO throughput in 3D Seismic Processing | Caian Benedicto, Nicholas T. Okita, Fabio Bronzati, João Paulo Navarro and Jorge H. Faccipieri Junior | 85th EAGE Conference & Exhibition |
| Ultra-fast diffraction separation in the five-dimensional domain | Nicholas T. Okita, Tiago A. A. Coimbra and Jorge H. Faccipieri Junior | 85th EAGE Conference & Exhibition |
2023
| Title | Authors | Journal / Conference |
| Ultra-fast traveltime parameters search by a coevolutionary optimization approach using graphics processing units | José Ribeiro Neto, Nicholas T. Okita, Tiago A. A. Coimbra and Jorge H. Faccipieri Junior | arXiv: Geophysics |
| Exploring velocity-spreading factor and consequences through dynamic ray-tracing in general anisotropic media: A comprehensive tutorial | Tiago A. A. Coimbra, Rodrigo Bloot and Jorge H. Faccipieri Junior | arXiv: Geophysics |
| Comparisons between FO-CRS and OCT stacking operators by quality measures | Tiago A. A. Coimbra, Nicholas T. Okita and Jorge H. Faccipieri Junior | 18th International Congress of the Brazilian Geophysical Society |
| Time-lapse analysis using the wave-equation time migration | Alexandre W. Camargo, Tiago A. A. Coimbra and Jorge H. Faccipieri Junior | 18th International Congress of the Brazilian Geophysical Society |
| Study of anisotropy characterization in weakly anisotropic VTI media through diffraction traveltime parameter clusters | Tiago A. A. Coimbra, Rodrigo Bloot and Jorge H. Faccipieri Junior | 18th International Congress of the Brazilian Geophysical Society |
2022
| Title | Authors | Journal / Conference |
| Increasing IO throughput in seismic with NFS over RDMA and NVIDIA GPUDirect Storage | Caian Benedicto, Nicholas Torres Okita and Jorge H. Faccipieri Junior | 3rd EAGE Workshop on HPC in Americas |
2021
2020
| Title | Authors | Journal / Conference |
| Extending the usage of graphics processing units on the cloud for cost savings on seismic data regularization | Nicholas T. Okita, Tiago A. A. Coimbra, José Ribeiro and Martin Tygel | Revista Brasileira de Geofísica |
| Time-migration velocity estimation using Fréchet derivatives based on nonlinear kinematic migration/demigration solvers | Hao Zhao, Anders U. Waldeland, Dany Rueda Serrano, Martin Tygel and Einar Iversen | Studia Geophysica et Geodaetica |
| Fault-tolerant wave propagation assisted by independent checkpointing strategy | Alexandre W. Camargo, Nicholas T. Okita, José Ribeiro, Caian Benedicto, Tiago A. A. Coimbra, Jorge H. Faccipieri Junior and Martin Tygel | 82nd EAGE Conference & Exhibition |
| Highly scalable full-waveform inversion on the cloud using graphics processing units | Nicholas T. Okita, Alexandre W. Camargo, José Ribeiro, Caian Benedicto, Tiago A. A. Coimbra, Jorge H. Faccipieri Junior and Martin Tygel | 82nd EAGE Conference & Exhibition |
| Boundary saving and checkpointing: a hybrid memory strategy for reverse time migration | José Ribeiro, Nicholas T. Okita, Alexandre W. Camargo, Caian Benedicto, Tiago A. A. Coimbra, Jorge H. Faccipieri Junior and Martin Tygel | 82nd EAGE Conference & Exhibition |
2019
| Title | Authors | Journal / Conference |
| Stretch-free generalized normal moveout correction | Jorge H. Faccipieri Junior, Tiago A. A. Coimbra and Rodrigo Bloot | Geophysical Prospecting |
| Fast estimation of pre-stack Common Reflection Surface parameters | Anders U. Waldeland, Tiago A. A. Coimbra, Jorge H. Faccipieri Junior, Anne H. Schistad Solberg and Leiv-J. Gelius | Geophysical Prospecting |
| 3D Pre-stack Fourier Mixed-Domain (FMD) depth migration for VTI media with large lateral contrasts | Hao Zhao, Leiv-J. Gelius, Martin Tygel, E. Harris Nilsen and A. Kjelsrud Evensen | Journal of Applied Geophysics |
| A Two-Phase Approach for Full Waveform Inversion using Constrained Optimization | Alexandre W. Camargo and Lucio Santos | 16th International Congress of the Brazilian Geophysical Society |
| Full-wave inversion (FWI) to a 2D-ocean-bottom node (OBN) dataset after offset-continuation-trajectory (OCT) data regularization | Alexandre W. Camargo, José Ribeiro, Tiago A. A. Coimbra, Gustavo B. D. Ignacio and Martin Tygel | 16th International Congress of the Brazilian Geophysical Society |
| Automatic detection of diffraction-apex using fully convolutional networks | Thamaris Coelho, Lucas M. Araújo, Tiago A. A. Coimbra, Martin Tygel, Sandra Ávila and Edson Borin | 16th International Congress of the Brazilian Geophysical Society |
| An analysis of the impact of Virtual Machines allocation on the cloud – The case of Full Waveform Inversion on Amazon Web Services | Willian M. Hayashida, Alexandre W. Camargo, Charles B. Rodamilans, Tiago A. A. Coimbra, José Ribeiro, Caian Benedicto, Martin Tygel and Edson Borin | 16th International Congress of the Brazilian Geophysical Society |
| Using graphics processing units on the cloud to accelerate and reduce processing cost of parameters estimation of seismic processing algorithm | Nicholas T. Okita, Tiago A. A. Coimbra, José Ribeiro and Martin Tygel | 16th International Congress of the Brazilian Geophysical Society |
| A heuristic to optimize the execution cost of distributed seismic processing programs on the cloud | Nicholas T. Okita, Tiago A. A. Coimbra, Martin Tygel and Edson Borin | SEG Technical Program |
| Optimizing the Execution Costs of High-Performance Geophysics Software on the Cloud | Nicholas T. Okita, Tiago A. Coimbra, Charles B. Rodamilans, Martin Tygel and Edson Borin | 81st EAGE Conference and Exhibition |
| Using Adaptive Differential Evolution algorithm to improve parameter estimation in seismic processing | José Ribeiro, Nicholas T. Okita, Tiago A. A. Coimbra, Gustavo B. Ignacio and Martin Tygel | 16th International Congress of the Brazilian Geophysical Society |
| Accelerating seismic parameter estimation with Adaptive Differential Evolution (JADE) and graphics processing units (GPUs) | José Ribeiro, Nicholas T. Okita, Tiago A. Coimbra and Martin Tygel | 4th EAGE Workshop on High Performance Computing for Upstream |
| Construction of 3D and 5D D-volumes in prestack domain | João H. Speglich, Jorge H. Faccipieri, Nicholas T. Okita, Tiago A. Coimbra and Martin Tygel | SEG Technical Program |
| Enriching synthetic data with real noise using Neural Style Transfer | Naomi Takemoto, Lucas M. Araújo, Tiago A. A. Coimbra, Martin Tygel, Sandra E. F. Ávila and Edson Borin | 16th International Congress of the Brazilian Geophysical Society |
| Análise de Desempenho do Traçamento de Raios Utilizando Nuvem Computacional e o Modelo SPITS | Marcelo Vilela, Gustavo B. D. Ignacio, Nicholas T. Okita and Edson Borin | ERAD SP |
2018
| Title | Authors | Journal / Conference |
| Common Reflection Surface method in weakly anisotropic VTI media | Rodrigo Bloot, Tiago A. A. Coimbra, Jorge H. Faccipieri and Martin Tygel | Geophysics |
| Enhancement of diffractions in pre-stack domain by means of a finite-offset double-square-root traveltime | Tiago A. A. Coimbra, Jorge H. Faccipieri, João H. Speglich, Leiv-J. Gelius and Martin Tygel | Geophysics |
| Detecção de estruturas em dados sísmicos com Deep Learning | Lucas M. Araujo, Fabíola. M. C. Oliveira, Jorge H. Faccipieri Jr., Tiago A. A. Coimbra, Sandra Ávila, Martin Tygel and Edson Borin | Boletim SBGf |
| Análise de Custo da Nuvem Computacional para a Execução de Algoritmos no Processamento Sísmico | Nicholas T. Okita, Tiago A. A. Coimbra, Edson Borin | ERAD-SP |
| Using SPITS to optimize the cost of high-performance geophysics processing on the cloud | Nicholas T. Okita, Tiago A. A. Coimbra, Charles B. Rodamilans, Martin Tygel and Edson Borin | EAGE HPC Workshop |
| Otimização automática do custo de processamento de programas SPITS na AWS | Nicholas T. Okita, Charles B. Rodamilans, Tiago A. A. Coimbra, Martin Tygel and Edson Borin | XIX Simpósio em Sistemas Computacionais de Alto Desempenho |
| Uma análise de custo e desempenho do modelo meteorológico BRAMS na nuvem computacional Azure | Willian Hayashida, Charles B. Rodamilans, Martin Tygel and Edson Borin | WSCAD-WIC |
| Time-migration Tomography based on Reflection Slopes in Pre-stack Time-migrated Seismic Data | Hao Zhao, Anders U. Waldeland, Diego Rueda Serrano, Martin Tygel and Eirik Iversen | 80th EAGE Conference and Exhibition |
2017
| Title | Authors | Journal / Conference |
| Fast and robust Common Reflection Surface (CRS) parameter estimation | Anders U. Waldeland, Hao Zhao, Jorge H. Faccipieri, Anne H. Solberg and Leiv-J. Gelius | Geophysics |
| Harvesting the computational power of heterogeneous clusters to accelerate seismic processing | Caian Benedicto, Ian L. Rodrigues, Martin Tygel, Mauricio Breternitz and Edson Borin | 15th International Congress of the Brazilian Geophysical Society |
| The CRS Method for Weakly Anisotropic VTI Media | Rodrigo Bloot, Tiago A. A. Coimbra, Jorge H. Faccipieri and Martin Tygel | 15th International Congress of the Brazilian Geophysical Society |
2016
| Title | Authors | Journal / Conference |
| Common-reflection-point time migration | Tiago A. A. Coimbra, Jorge H. Faccipieri, Dany S. Rueda and Martin Tygel | Studia Geophysica et Geodaetica |
| Offset-continuation stacking: Theory and proof of concept | Tiago A. A. Coimbra, Amélia Novais and Jörg Schleicher | Geophysics |
| Stacking apertures and estimation strategies for reflection and diffraction enhancement | Jorge H. Faccipieri, Tiago A. A. Coimbra, Leiv-J. Gelius and Martin Tygel | Geophysics |
| Migration velocity analysis using residual diffraction moveout: a real-data example | Jaime A. C. Gonzalez, José J. S. de Figueiredo, Tiago A. Coimbra, Jörg Schleicher and Amélia Novais | Journal of Geophysics and Engineering |
| PY-PITS: A Scalable Python Runtime System for the Computation of Partially Idempotent Tasks | Edson Borin, Caian Benedicto, Ian L. Rodrigues, F. Pisani, Martin Tygel and Mauricio Breternitz | 5th Workshop on Parallel Programming Models |
2015
| Title | Authors | Journal / Conference |
| Migration-velocity building in time and depth from 3D (2D) Common-Reflection-Surface (CRS) stacking – theoretical framework | Leiv-J. Gelius and Martin Tygel | Studia Geophysica et Geodaetica |
| Prestack time-migration velocity analysis using remigration trajectories | Henrique B. Santos, Tiago A. A. Coimbra, Jörg Schleicher and Amélia Novais | Geophysics |
| Efficient and Fault Tolerant Computation of Partially Idempotent Tasks | Edson Borin, Ian L. Rodrigues, Alber T. Novo, João D. Sacramento, Mauricio Breternitz and Martin Tygel | 14th International Congress of the Brazilian Geophysical Society |
2014
| Title | Authors | Journal / Conference |
| Implementation aspects of eigendecomposition-based high-resolution velocity spectra | Tiago Barros, Renato Lopes and Martin Tygel | Geophysical Prospecting |
| Parameter estimation from non-hyperbolic reflection traveltimes for large aperture common midpoint gathers | Hervé Perroud, Rafael Krummenauer, Martin Tygel and Renato Lopes | Near Surface Geophysics |
| True-amplitude single-stack redatuming | Matheus F. Pila, Jörg Schleicher, Amélia Novais and Tiago A. A. Coimbra | Journal of Applied Geophysics |
| Image-ray Tomography | Sergius Dell, Dirk Gajewski and Martin Tygel | Geophysical Prospecting |
| Enabling large data processing with the 3D ZO CRS Stack software | Edson Borin, Alber T. Novo, Ian L. Rodrigues, João R. D. do Sacramento, Jorge H. Faccipieri and Martin Tygel | 17th Annual WIT Meeting |
| Prestack Migration Velocity Analysis Using Time-remigration Trajectories | Tiago A. A. Coimbra, Henrique B. Santos, Jörg Schleicher and Amélia Novais | 76th EAGE Conference and Exhibition |
| A CRS-based Heterogeneity Attribute | Jorge H. Faccipieri, Tiago A. A. Coimbra, Leiv-J. Gelius and Martin Tygel | 76th EAGE Conference and Exhibition Workshops, 2014 |
| Common-Refection-Surface (CRS) Stacking with Diffraction Moveouts of Varying Aperture | Jorge H. Faccipieri, Tiago A. A. Coimbra, Martin Tygel and L.J. Gelius | 76th EAGE Conference and Exhibition Workshops |
2013
| Title | Authors | Journal / Conference |
| 2D common-offset traveltime based diffraction enhancement and imaging | Endrias A. Asgedom, Martin Tygel and Leiv-J. Gelius | Geophysical Prospecting |
| Recovering diffractions in CRS stacked sections | J.H. Faccipieri, Martin Tygel, D. Rueda and L.J. Gelius | First Break |
| High-resolution imaging of diffractions – A window-steered MUSIC approach | Leiv-J. Gelius, Martin Tygel, André K. Takahata, Endrias G. Asgedom and Dany R. Serrano | Geophysics |