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The AAPG/Datapages Combined Publications Database
Showing 122 Results. Searched 201,049 documents.
Abstract: FX Singular Spectrum Analysis; #90171 (2013)
Mauricio D. Sacchi
Search and Discovery.com
... the analysis of the eigenspectra of the so-called trajectory matrix. The trajectory matrix is composed of multiple data views. The singular value...
2013
Deep Dix: Enhancing interval velocity model estimation through adversarial regularization
Joseph Stitt, Robert Clapp, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
..., we decided to resort to computing a singular value decomposition (SVD) analysis as a method to dissect the wavenumber content introduced to the model...
2023
Adaptive Eigenstructure Classification and Stochastic Decorrelation Filters for Coherent Interference Suppression in the Acoustic Zoom Method, #41503 (2014).
J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey
Search and Discovery.com
... of specular and non-specular energy using singular value decomposition (SVD), a proprietary stochastic spectral decorrelation (SSD) algorithm, and advanced...
2014
Wide-angle AVO-inversion using constant P-traces: AVP-inversion
Dennis Cooke
International Meeting for Applied Geoscience and Energy (IMAGE)
... be solved with singular value decomposition (SVD). SVD is computationally more expensive than equation (5), but the quantity (1/s) (where s are singular...
2022
Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition
Jiahang Li, Hitoshi Mikada, Junichi Takekawa
International Meeting for Applied Geoscience and Energy (IMAGE)
...Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition Jiahang Li, Hitoshi Mikada...
2023
Abstracts: Evaluation of a New 5D Seismic Volume Reconstruction Method: Tensor Completion versus Fourier Reconstruction; #90173 (2015)
Nadia Kreimer and Mauricio D. Sacchi
Search and Discovery.com
...-Order Singular Value Decomposition (HOSVD) proposed by De Lathauwer et al. (2000a). The Problem We consider a subvolume of data in the f-x domain...
2015
Monitoring Coal Seam Gas Depressurisation Using Magnetotellurics, #41786 (2016).
Nigel Rees, Graham Heinson, Lars Krieger
Search and Discovery.com
... distortion effects. Secondly, we apply eigenanalysis and singular value decomposition (SVD) methods to the distortion tensor. Both techniques can be used...
2016
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
... by changing the characteristic nature of the Hessian matrix. In this paper, Singular Value Decomposition (SVD) analysis on the Hessian matrix from a small...
2015
F-xy Cadzow Noise Suppression
Search and Discovery.com
... the singular-value decomposition (SVD): A = U S VH where U and V are unitary matrices with column vectors u i and v i respectively, H is the conjugate...
2013
Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)
Ke Chen and Mauricio D. Sacchi
Search and Discovery.com
... filtering, equations truncated singular value decomposition (TSVD) or fast approximations to TSVD for rank-reduction. SSA is efficient for attenuating...
2014
Abstract: Rank-Reduction-Based Trace Interpolation; #90172 (2014)
Stewart Trickett, Lynn Burroughs, Andrew Milton, Larry Walton, Rob Dack
Search and Discovery.com
..., for example, Trickett, 2003), also called truncated singular-value decomposition, principal-component analysis, subspace filtering, and many other...
2014
Abstract: A Generic Procedure for Noise Suppression in Microseismic Data; #90187 (2014)
Yessika Blunda and Kit Chambers
Search and Discovery.com
... Halliburton for permission to present this work. References Bekara, M. and Baan, M.v.d., 2007. Local singular value decomposition for signal...
2014
Production Forecasting in Shale Volatile Oil Reservoirs Using Reservoir Simulation, Empirical and Analytical Methods
Ibukun Makinde, W. John Lee
Unconventional Resources Technology Conference (URTEC)
...ly involves representing the well production data in matrix form and using singular value decomposition (SVD) to calculate the principal componen...
2016
Vector denoising of multicomponent seismic data based on quaternion weighted nuclear norm minimization
J. J. Gao, X. Wang, Y. H. Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
...., and J. Mars, 2004, Singular value decomposition of quaternion matrices: a new tool for vector-sensor signal processing: Signal Processing, 84, no. 7, 1177...
2024
Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)
Nirupama (Pam) Nagarajappa
Search and Discovery.com
... on randomized singular value decomposition (SVD) is used. The method works on 3D f-xy data that is reordered in a modified shot order. I demonstrate...
2014
Abstract: Resolvability Analysis of Single Azimuth Seismic Moment Tensor Inversion; #90171 (2013)
Ismael Vera Rodriguez and Mauricio D. Sacchi
Search and Discovery.com
... computed with the singular value decomposition (SVD) method. From (7), it can be seen that when G† = G-1 the resolution matrix is equal to the identity...
2013
Abstract: Robust Rank-Reduction Filters for Erratic Noise; #90174 (2014)
Stewart Trickett, Lynn Burroughs, and Andrew Milton
Search and Discovery.com
... a fast approximation to a truncated Singular Value Decomposition (truncated SVD). See Trickett (2003) and Gao, Sacchi, and Chen (2011...
2014
Development of Agile Framework for Model-Order Reduction of Large-Scale Geomechanical Models: A Novel Workflow for Coupled Simulations
Patrick Morkos, Eduardo Gildin
Unconventional Resources Technology Conference (URTEC)
... of the reduced models, two main criteria were investigated; namely, modal assurance criterion (MAC) and singular value decomposition (SVD...
2020
Bayesian RockAVO: Direct petrophysical inversion with hierarchical conditional GANs
Miguel Corrales, Muhammad Izzatullah, Matteo Ravasi, Hussein Hoteit
International Meeting for Applied Geoscience and Energy (IMAGE)
... reflection curves. Subsequently, Singular Value Decomposition (SVD) is performed on such training data to establish a set of optimal basis functions...
2022
Ground Roll Polarization Filtering with Spatial Smoothness Constraints
Search and Discovery.com
... Value Decomposition (SVD) on D t , or a Principal Component Analysis D tH D t with H indicating the Hermitian transpose. The ground roll amplitudes can...
2013
AVO-preserving seismic data interpolation by orthogonal polynomial decomposition and mathematical morphological filtering
Yanxin Zhou, Yangang Mo, Junzhou Liu, Dajian Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and SVD (Singular Value Decomposition). Of course, if more accurate signal is wanted, especially AVO characteristic, more advanced process need...
2024
Efficient lossy compression of seismic wavefields via GPU-based Tucker decomposition
Yongjie Tang, Wei Zhang, Wu Wang, Tao Lei
International Meeting for Applied Geoscience and Energy (IMAGE)
... represented as a 5-order tensor X ∈ RI×J×K×L×M . The Tucker tensor decomposition, known as higher-order singular value decomposition (HOSVD), decompose...
2024
A field data application of RockAVO: Data-driven, direct petrophysical inversion of prestack seismic data
Miguel Corrales, Hussein Hoteit, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... intersecting the well trajectory, enabling well-log comparison post-inversion. The next step involves applying Singular Value Decomposition (SVD...
2023
A Towed Streamer EM System Performance Case Study
Folke Engelmark, Allan McKay, Johan Mattsson
Indonesian Petroleum Association
... the discrete signal frequencies there is nothing but noise that can be removed. The method is based on singular value decomposition (SVD) of a suitable...
2013
ABSTRACT: Improving Curvature Analyses of Deformed Horizons Using Scale-Dependent Filtering Techniques; #90013 (2003)
Stephan Bergbauer, Tapan Mukerji, Peter H. Hennings
Search and Discovery.com
... the suitability of four numerical techniques (Fourier analysis, wavelet transform filtering, singular value decomposition, factorial kriging...
2003