2023 Back to top

Preprint

RIBEIRO NETO, J. ; OKITA, N. ; COIMBRA, T. A. ; FACCIPIERI, J. H. . Ultra-fast traveltime parameters search by a coevolutionary optimization approach using graphics processing units. arXiv, 2023 (Preprint).

COIMBRA, T. A. ; BLOOT, RODRIGO ; FACCIPIERI, J. H. . Exploring velocity-spreading factor and consequences through dynamic ray-tracing in general anisotropic media: A comprehensive tutorial. arXiv, 2023 (Preprint).

2022 Back to top

Conference Papers

BENEDICTO, C. ; OKITA, N. ; FACCIPIERI, J. . Increasing IO throughput in seismic with NFS over RDMA and NVIDIA GPUDirect Storage. In: Third EAGE Workshop on HPC in Americas, 2022, Online. Third EAGE Workshop on HPC in Americas, 2022. p. 1.

2021 Back to top

Peer-reviewed Papers

CAMARGO, ALEXANDRE WILLIAM ; RIBEIRO, JOSÉ ; COIMBRA, TIAGO ; IGNÁCIO, GUSTAVO BARROSO DIAS ; TYGEL, MARTIN . Offset-continuation-trajectory (OCT) data regularization to a 2D ocean bottom node (OBN): Full-wave inversion application. Revista Brasileira de Geofísica (Impresso), v. 39, p. 125-138, 2021.

OKITA, NICHOLAS T. ; CAMARGO, ALEXANDRE W. ; RIBEIRO, JOSÉ ; COIMBRA, TIAGO A. ; BENEDICTO, CAIAN; FACCIPIERI, JORGE H. . High-performance computing strategies for seismic-imaging software on the cluster and cloud-computing environments. GEOPHYSICAL PROSPECTING, v. 70, p. 57-78, 2021.

OKITA, NICHOLAS T. ; Coimbra, Tiago A. . Cloud-computing approach for an environmental, social, and corporate governance focus in universities and businesses. FIRST BREAK, v. 39, p. 63-70, 2021.

OKITA, NICHOLAS T. ; Coimbra, Tiago A. . Faster and cheaper: How graphics processing units on spot-market instances minimize turnaround time and budget. Interpretation-A Journal of Subsurface Characterization, v. 9, p. SA1-SA16, 2021.

RIBEIRO, JOSÉ ; Coimbra, Tiago A. ; OKITA, NICHOLAS T. ; IGNÁCIO, GUSTAVO B. ; TYGEL, MARTIN . Using adaptive differential evolution algorithm to improve parameter estimation in seismic processing: extended results. Revista Brasileira de Geofísica (Impresso), v. 38, p. 1-11, 2021.

RUEDA, S. DANY ; SOUZA, TAINÁ ; FACCIPIERI, JORGE H. ; TYGEL, MARTIN . Recovering elevation in seismic datasets using Google Earth: A case study of Parnaíba Basin. FIRST BREAK, v. 39, p. 37-42, 2021.

2020 Back to top

Peer-reviewed Papers

OKITA, NICHOLAS TORRES ; Coimbra, Tiago A. ; RIBEIRO, JOSÉ ; TYGEL, MARTIN . Extending the usage of graphics processing units on the cloud for cost savings on seismic data regularization. REVISTA BRASILEIRA DE GEOFÍSICA (IMPRESSO), v. 38, p. 1-14, 2020.

ZHAO, HAO ; WALDELAND, ANDERS UELAND ; SERRANO, DANY RUEDA ; TYGEL, MARTIN ; IVERSEN, EINAR . Time-migration velocity estimation using Fréchet derivatives based on nonlinear kinematic migration/demigration solvers. STUDIA GEOPHYSICA ET GEODAETICA, v. 64, p. 26-75, 2020.

Conference Papers

CAMARGO, A.; OKITA, N.; RIBEIRO, J.; BENEDICTO, C.; COIMBRA, T. A.; FACCIPIERI, J. H.; TYGEL, M.: Fault-tolerant wave propagation assisted by independent checkpointing strategy. 82nd EAGE Conference & Exhibition, 2020. p. 1.

OKITA, N.; CAMARGO, A.; RIBEIRO, J.; BENEDICTO, C.; COIMBRA, T. A.; FACCIPIERI, J. H.; TYGEL, M.: Highly scalable full-waveform inversion on the cloud using graphics processing units. 82nd EAGE Conference & Exhibition, 2020. p. 1

RIBEIRO, J.; OKITA, N.; CAMARGO, A.; BENEDICTO, C.; COIMBRA, T. A.; FACCIPIERI, J. H.; TYGEL, M.: Boundary saving and checkpointing: a hybrid memory strategy for reverse time migration. 82nd EAGE Conference & Exhibition, 2020. p. 1

2019 Back to top

Peer-reviewed Papers

FACCIPIERI, JORGE H. ; Coimbra, Tiago A. ; BLOOT, RODRIGO . Stretch-free generalized normal moveout correction. GEOPHYSICAL PROSPECTING, v. 67, p. 52-68, 2019.

WALDELAND, ANDERS U. ; COIMBRA, TIAGO A. ; FACCIPIERI, JORGE H. ; SOLBERG, ANNE H. SCHISTAD ; GELIUS, LEIV-J. . Fast estimation of pre-stack Common Reflection Surface parameters. GEOPHYSICAL PROSPECTING, v. -, p. -, 2019.

ZHAO, H. ; GELIUS, L.-J. ; TYGEL, M. ; HARRIS NILSEN, E. ; KJELSRUD EVENSEN, A. . 3D Pre-stack Fourier Mixed-Domain (FMD) depth migration for VTI media with large lateral contrasts. JOURNAL OF APPLIED GEOPHYSICS, v. 168, p. 118-127, 2019.

Conference Papers

CAMARGO, ALEXANDRE; SANTOS, LUCIO . A Two-Phase Approach for Full Waveform Inversion using Constrained Optimization. In: International Congress of the Brazilian Geophysical Society&Expogef, 2019, Rio de Janeiro. Proceedings of the 16th International Congress of the Brazilian Geophysical Society&Expogef, 2019. p. 1.

CAMARGO, A. W ; RIBEIRO, J. ; COIMBRA, T. A. ; IGNACIO, G. B. ; TYGEL, M. . Full-wave inversion (FWI) to a 2D-ocean-bottom node (OBN) dataset after offset-continuation-trajectory (OCT) data regularization. In: International Congress of the Brazilian Geophysical Society&Expogef, 2019, Rio de Janeiro. Proceedings of the 16th International Congress of the Brazilian Geophysical Society&Expogef, 2020. p. 1-6.

COELHO, T. F. ; ARAÚJO, L. M. ; COIMBRA, Tiago A. ; TYGEL, M. ; AVILA, S. ; BORIN, E. . Automatic detection of diffraction-apex using fully convolutional networks. In: 16th International Congress of the Brazilian Geophysical Society, 2019, Rio de Janeiro. Official Program of 16th International Congress of the Brazilian Geophysical Society, 2019. v. 1. p. 40-40.

HAYASHIDA, WILLIAN ; CAMARGO, ALEXANDRE ; RODAMILANS, CHARLES ; COIMBRA, TIAGO ; RIBEIRO, JOSE ; BENEDICTO, CAIAN ; TYGEL, MARTIN ; BORIN, EDSON . An analysis of the impact of Virtual Machines allocation on the cloud - The case of Full Waveform Inversion on Amazon Web Services. In: International Congress of the Brazilian Geophysical Society&Expogef, 2019, Rio de Janeiro. Proceedings of the 16th International Congress of the Brazilian Geophysical Society&Expogef, 2019. p. 1.

OKITA, NICHOLAS ; COIMBRA, TIAGO ; RIBEIRO, JOSÉ ; TYGEL, MARTIN . Using graphics processing units on the cloud to accelerate and reduce processing cost of parameters estimation of seismic processing algorithm. In: International Congress of the Brazilian Geophysical Society&Expogef, 2019. Proceedings of the 16th International Congress of the Brazilian Geophysical Society&Expogef. p. 1.

OKITA, NICHOLAS T.; COIMBRA, TIAGO A. ; TYGEL, MARTIN ; BORIN, EDSON . A heuristic to optimize the execution cost of distributed seismic processing programs on the cloud. In: SEG Technical Program Expanded Abstracts 2019, 2019, San Antonio. SEG Technical Program Expanded Abstracts 2019, 2019. p. 4004.

OKITA, N.T. ; COIMBRA, T.A. ; RODAMILANS, C.B. ; TYGEL, M. ; BORIN, E. . Optimizing the Execution Costs of High-Performance Geophysics Software on the Cloud. In: 81st EAGE Conference and Exhibition 2019, 2019, London, 2019.

RIBEIRO, J.; OKITA, N. T. ; COIMBRA, T. A. ; IGNACIO, G. B. ; TYGEL, M. . Using Adaptive Differential Evolution algorithm to improve parameter estimation in seismic processing. In: 16th International Congress of the Brazilian Geophysical Society & EXPOGEf, 2019, Rio de Janeiro.

RIBEIRO, J.; OKITA, N. T. ; COIMBRA, T. A. ; TYGEL, M. . Accelerating seismic parameter estimation with Adaptive Differential Evolution (JADE) and graphics processing units (GPUs). In: Fourth EAGE Workshop on High Performance Computing for Upstream, 2019, Dubai. Fourth EAGE Workshop on High Performance Computing for Upstream. Dubai: EAGE, 2019.

SPEGLICH, JOÃO H. ; FACCIPIERI, JORGE H. ; OKITA, NICHOLAS T. ; Coimbra, Tiago A. ; TYGEL, MARTIN . Construction of 3D and 5D D-volumes in prestack domain. In: SEG Technical Program Expanded Abstracts 2019, 2019, San Antonio. SEG Technical Program Expanded Abstracts 2019, 2019. p. 3964.

TAKEMOTO, N. ; ARAÚJO, L. M. ; COIMBRA, T. A. A. ; TYGEL, M. ; AVILA, S. E. F. ; BORIN, E. . Enriching synthetic data with real noise using Neural Style Transfer. In: 16th International Congress of the Brazilian Geophysical Society and EXPOGEf, 2019, Rio de Janeiro. Official Program of 16th International Congress of the Brazilian Geophysical Society and EXPOGEf, 2019. v. 1. p. 40-40.

VILELA, M. ; IGNACIO, G. B. D. ; OKITA, N. T. ; BORIN, E. . Análise de Desempenho do Traçamento de Raios Utilizando Nuvem Computacional e o Modelo SPITS. In: 10ª Escola Regional de Alto Desempenho, 2019, Campinas. ERAD SP 2019, 2019.

2018 Back to top

Peer-reviewed Papers

BLOOT, RODRIGO ; COIMBRA, TIAGO A. ; FACCIPIERI, JORGE H. ; TYGEL, MARTIN . Common Reflection Surface method in weakly anisotropic VTI media. GEOPHYSICS, 2018.

Coimbra, Tiago A.; FACCIPIERI, JORGE H. ; SPEGLICH, JOÃO H. ; GELIUS, LEIV-J. ; TYGEL, MARTIN . Enhancement of diffractions in pre-stack domain by means of a finite-offset double-square-root traveltime. GEOPHYSICS, v. 84, p. 1-85, 2018.

Conference Papers

ARAUJO, L. M. ; OLIVEIRA, F. M. C. ; FACCIPIERI JUNIOR, J. H. ; COIMBRA, T. A. A. ; AVILA, S. ; TYGEL, M. ; BORIN, E. . Detecção de estruturas em dados sísmicos com Deep Learning. BOLETIM SBGF, v. 104, p. 18-21, 2018.

AMARAL, J. N. ; BORIN, E. ; ASHLEY, D. ; BENEDICTO, C. ; COLP, E. ; HOFFMAM, J. H. S. ; KARPOFF, M. ; OCHOA, E. ; REDSHAW, M. ; RODRIGUES, R. . The Alberta Workloads for the SPEC CPU 2017 Benchmark Suite. In: 2018 IEEE International Symposium on Performance Analysis of Systems and Software, 2018, Belfast, Northern Ireland, UK. Proceedings of the 2018 IEEE International Symposium on Performance Analysis of Systems and Software, 2018.

OKITA, N. T. ; COIMBRA, T. A. A. ; BORIN, E. . Análise de Custo da Nuvem Computacional para a Execução de Algoritmos no Processamento Sísmico. In: 9a Escola Regional de Alto Desempenho de São Paulo (ERAD-SP), 2018, São José dos Campos. Anais da 9a Escola Regional de Alto Desempenho de São Paulo, 2018.

OKITA, N. T. ; COIMBRA, T. A. A. ; RODAMILANS, C. B. ; TYGEL, M. ; BORIN, E. . Using SPITS to optimize the cost of high-performance geophysics processing on the cloud. In: EAGE Workshop on High Performance Computing for Upstream, 2018, Santander. Proceedings of the EAGE Workshop on High Performance Computing for Upstream, 2018.

OKITA, N. T. ; RODAMILANS, C. B. ; COIMBRA, T. A. A. ; TYGEL, M. ; BORIN, E. . Otimização automática do custo de processamento de programas SPITS na AWS. In: XIX Simpósio em Sistemas Computacionais de Alto Desempenho, 2018, São Paulo. Anais do XIX Simpósio em Sistemas Computacionais de Alto Desempenho, 2018.

HAYASHIDA, W. ; RODAMILANS, C. B. ; TYGEL, M. ; BORIN, E. . Uma análise de custo e desempenho do modelo meteorológico BRAMS na nuvem computacional Azure. In: Workshop de Iniciação Científica do Simpósio de Sistemas Computacionais de Alto Desempenho, 2018, São Paulo. Anais do Workshop de Iniciação Científica em Arquitetura de Computadores e Computação de Alto Desempenho (WSCAD-WIC), 2018.

ZHAO, H. ; UELAND WALDELAND, A. ; RUEDA SERRANO, D. ; TYGEL, M. ; Iversen, E. . Time-migration Tomography based on Reflection Slopes in Pre-stack Time-migrated Seismic Data. In: 80th EAGE Conference and Exhibition 2018, 2018, Copenhagen. The Hague: EAGE, 2018. v. Th A12.

2017 Back to top

Peer-reviewed Papers

WALDELAND, ANDERS U. ; ZHAO, HAO ; FACCIPIERI, JORGE H. ; SOLBERG, ANNE H. ; GELIUS, LEIV-J. . Fast and robust Common Reflection Surface (CRS) parameter estimation. GEOPHYSICS, v. 82, p. 1-29, 2017.

Conference Papers

BENEDICTO, C. ; RODRIGUES, IAN L. ; TYGEL, MARTIN ; BRETERNITZ, MAURICIO ; BORIN, EDSON . Harvesting the computational power of heterogeneous clusters to accelerate seismic processing. In: 15th International Congress of the Brazilian Geophysical Society, 2017, Rio de Janeiro. Proceedings of the 15th International Congress of the Brazilian Geophysical Society, 2017.

BLOOT, RODRIGO ; Coimbra, Tiago A. ; FACCIPIERI, JORGE H. ; TYGEL, MARTIN . The CRS Method for Weakly Anisotropic VTI Media. In: 15th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 31 July3 August 2017, 2017, Rio de Janeiro. 15th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 31 July-3 August 2017. p. 1577.

WALDELAND, ANDERS U. ; ZHAO, HAO ; FACCIPIERI, JORGE H. ; SOLBERG, ANNE H. ; GELIUS, LEIV-J. . Fast and robust Common Reflection Surface (CRS) parameter estimation. GEOPHYSICS, v. 82, p. 1-29, 2017.

2016 Back to top

Peer-reviewed Papers

COIMBRA, TIAGO A. ; FACCIPIERI, JORGE H. ; RUEDA, DANY S. ; TYGEL, MARTIN . Common-reflection-point time migration. Studia Geophysica et Geodaetica, v. 60, p. 1-31, 2016.

Coimbra, Tiago A.; Novais, Amélia ; Schleicher, Jörg . Offset-continuation stacking: Theory and proof of concept. Geophysics, v. 81, p. V387-V401, 2016.

FACCIPIERI, JORGE H.; COIMBRA, TIAGO A. ; GELIUS, LEIV-J. ; TYGEL, MARTIN . Stacking apertures and estimation strategies for reflection and diffraction enhancement. GEOPHYSICS, v. 81, p. V271-V282, 2016.

GONZALEZ, JAIME A C ; DE FIGUEIREDO, JOSÉ J S ; Coimbra, Tiago A ; Schleicher, Jörg ; Novais, Amélia . Migration velocity analysis using residual diffraction moveout: a real-data example. Journal of Geophysics and Engineering (Print), v. 13, p. 622-633, 2016.

Conference Papers

BORIN, EDSON; BENEDICTO, C. ; RODRIGUES, IAN L. ; PISANI, F. ; TYGEL, MARTIN ; BRETERNITZ, MAURICIO . PY-PITS: A Scalable Python Runtime System for the Computation of Partially Idempotent Tasks. In: 5th Workshop on Parallel Programming Models, 2016, Los Angeles. Proceedings of the 5th Workshop on Parallel Programming Models, 2016.

2015 Back to top

Peer-reviewed Papers

GELIUS, LEIV-J. ; TYGEL, MARTIN . Migration-velocity building in time and depth from 3D (2D) Common-Reflection-Surface (CRS) stacking - theoretical framework. Studia Geophysica et Geodaetica (Praha), v. 59, p. 253-282, 2015.

SANTOS, HENRIQUE B. ; Coimbra, Tiago A. ; Schleicher, Jörg ; Novais, Amélia . Prestack time-migration velocity analysis using remigration trajectories. Geophysics, v. 80, p. S151-S163, 2015.

Conference Papers

BORIN, EDSON; RODRIGUES, IAN L. ; NOVO, ALBER T. ; SACRAMENTO, JOÃO D. ; BRETERNITZ, MAURICIO ; TYGEL, MARTIN . Efficient and Fault Tolerant Computation of Partially Idempotent Tasks. In: 14th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 36 August 2015, 2015, Rio de Janeiro. 14th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 3-6 August 2015. p. 367-372.

2014 Back to top

Peer-reviewed Papers

BARROS, TIAGO ; LOPES, RENATO ; TYGEL, MARTIN . Implementation aspects of eigendecomposition-based high-resolution velocity spectra. Geophysical Prospecting (Print), v. 63, p. 99-115, 2014.

PERROUD, H. ; KRUMMENAUER, R. ; M. Tygel ; Lopes, R.R. . Parameter estimation from non-hyperbolic reflection traveltimes for large aperture common midpoint gathers. Near Surface Geophysics (Online), v. 12, p. 679-686, 2014.

PILA, MATHEUS F. ; Schleicher, Jörg ; Novais, Amélia ; Coimbra, Tiago A. . True-amplitude single-stack redatuming. Journal of Applied Geophysics, v. 105, p. 95-111, 2014.

DELL, SERGIUS ; GAJEWSKI, DIRK ; TYGEL, MARTIN . Image-ray Tomography. Geophysical Prospecting (Print), v. 62, p. 413-426, 2014.

Conference Papers

BORIN, EDSON; NOVO, A. T. ; RODRIGUES, I. ; SACRAMENTO, J. ; FACCIPIERI, J. ; TYGEL, M. . Enabling large data processing with the 3D ZO CRS Stack software. In: 17th Annual WIT Meeting, 2014, Hamburg. WIT report 2013, 2014.

COIMBRA, T.A.; SANTOS, H.B. ; SCHLEICHER, J. ; NOVAIS, A. . Prestack Migration Velocity Analysis Using Time-remigration Trajectories. In: 76th EAGE Conference and Exhibition 2014, 2014, Amsterdam, 2014.

FACCIPIERI, J.H. ; COIMBRA, T.A. ; GELIUS, L.J. ; TYGEL, M. . A CRS-based Heterogeneity Attribute. In: 76th EAGE Conference and Exhibition Workshops, 2014, Amsterdam, 2014.

FACCIPIERI, J.H. ; COIMBRA, T.A. ; TYGEL, M. ; GELIUS, L.J. . Common-Refection-Surface (CRS) Stacking with Diffraction Moveouts of Varying Aperture. In: 76th EAGE Conference and Exhibition Workshops, 2014, Amsterdam, 2014.

2013 Back to top

Peer-reviewed Papers

asgedom, E.A. ; TYGEL, M. ; Gelius, L.J. . 2D common-offset traveltime based diffraction enhancement and imaging. Geophysical Prospecting (Print), v. 61, p. 1178-1193, 2013.

Faccipieri, J.H. ; TYGEL, M. ; Rueda, D. ; Gelius, L.J. . Recovering diffractions in CRS stacked sections. First Break, p. 65-69, 2013.

GELIUS, LEIV-J. ; TYGEL, MARTIN ; TAKAHATA, ANDR? K. ; ASGEDOM, ENDRIAS G. ; SERRANO, DANY R. . High-resolution imaging of diffractions - A window-steered MUSIC approach. Geophysics, v. 78, p. S255-S264, 2013.