Reproducible Documents

Basic Earth Imaging

• Imaging in shot-geophone space by Jon F. Claerbout
• Downward continuation by Jon F. Claerbout
• Waves and Fourier sums by Jon F. Claerbout
• Zero-offset migration by Jon F. Claerbout
• Moveout, velocity, and stacking by Jon F. Claerbout
• Waves in strata by Jon F. Claerbout
• Adjoint operators by Jon F. Claerbout
• Field recording geometry by Jon F. Claerbout

Center for Wave Phenomena

• Wide-azimuth angle gathers for wave-equation migration by Paul Sava and Ioan Vlad: Geophysics, 76, no. 3, S131-S141, (2011)
• Micro-earthquake monitoring with sparsely-sampled data by Paul Sava: Journal of Petroleum Exploration and Production Technology, 1, no. 1, 43-49, (2011)
• Isotropic angle-domain elastic reverse-time migration by Jia Yan and Paul Sava: Geophysics, 73 , no. 6, S229-S239, (2008)
• Elastic wave-mode separation for VTI media by Jia Yan and Paul Sava: Geophysics, 74 , no. 5, WB19-WB32, (2009)
• Elastic wave-mode separation for TTI media by Jia Yan and Paul Sava: Geophysics, 76, no. 4, T65-T78, (2011)
• Interferometric imaging condition for wave-equation migration by Paul Sava and Oleg Poliannikov: Geophysics, 73 , no. 2, S47-S61, (2008)
• Numeric implementation of wave-equation migration velocity analysis operators by Paul Sava and Ioan Vlad: Geophysics, 73 , no. 5, VE145-VE159, (2008)
• Stereographic imaging condition for wave-equation migration by Paul Sava: Geophysics, 72 , no. 6, A87-A91, (2007)
• Imaging overturning reflections by Riemannian Wavefield Extrapolation by Paul Sava: Journal of Seismic Exploration, 15, no 3, 209-223 (2006)
• Time-shift imaging condition in seismic migration by Paul Sava and Sergey Fomel: Geophysics, 71 , no. 6, S209-S217, (2006)
• Nonhyperbolic reflection moveout of P-waves: An overview and comparison of reasons by Sergey Fomel and Vladimir Grechka: Center for Wave Phenomena, CWP-372 (2001)

China University of Petroleum

• Random noise attenuation using f-x regularized nonstationary autoregression by Guochang Liu, Xiaohong Chen, Jing Du, and Kailong Wu: Geophysics, 77 , no. 2, V61-V69, (2012)
• Noncausal f-x-y regularized nonstationary prediction filtering for random noise attenuation on 3D seismic data by Guochang Liu and Xiaohong Chen : Journal of Applied Geophysics, 93, 60-66, (2013)

Hansung University

• Conjugate guided gradient (CGG) method for robust inversion and its application to velocity-stack inversion by Jun Ji: Geophysics, 71 , no. 4, R59-R67, (2006)

Image Estimation by Example

• Plane waves in three dimensions by Jon F. Claerbout
• Nonstationarity: patching by Jon F. Claerbout
• Spatial aliasing and scale invariance by Jon F. Claerbout
• Multidimensional autoregression by Jon F. Claerbout
• Preconditioning by Jon F. Claerbout
• The helical coordinate by Jon F. Claerbout
• Empty bins and inverse interpolation by Jon F. Claerbout
• Model fitting by least squares by Jon F. Claerbout
• Basic operators and adjoints by Jon F. Claerbout

Madagascar Datasets

• Marmousi2 model by Trevor Irons
• Open Data/Open Source: Seismic Unix scripts to process a 2D land line by Karl Schleicher
• Sigsbee2 models by Trevor Irons
• Pluto model by Trevor Irons
• Marmousi model by Trevor Irons
• Amoco model by Trevor Irons

ICP-Ecopetrol

• Shortest path ray tracing on parallel GPU devices by Jorge Monsegny and William Agudelo: SEG Expanded Abstracts, 3470-3474, (2013)

Jilin University

• Signal and noise separation in prestack seismic data using velocity-dependent seislet transform by Yang Liu, Sergey Fomel, and Cai Liu: Geophysics, 80, WD117-WD128, (2015)
• Seismic dip estimation based on the two-dimensional Hilbert transform and its application in random noise attenuation by Cai Liu, Changle Chen, Dian Wang, Yang Liu, Shiyu Wang, and Liang Zhang: Applied Geophysics, 12, 55-63, (March 2015)
• Adaptive prediction filtering in t -x-y domain for random noise attenuation using regularized nonstationary autoregression by Yang Liu, Ning Liu, and Cai Liu: Geophysics, 80, V13-V21, (2015)

Madagascar Documentation

• Madagascar tutorial: Field data processing by Maurice the Aye-Aye
• Seismic Imaging Tutorial: "exploding reflector" modeling/migration by Paul Sava
• A brief introduction to Madagascar by Jeff Godwin
• Madagascar Programming Reference Manual by Mohammad Akbar Zuberi, Tariq Alkhalifah, and Christos Saragoitis
• Madagascar tutorial by Maurice the Aye-Aye
• Guide to Madagascar programs by Sergey Fomel
• Revisiting SEP tour with RSF and SCons by Sergey Fomel
• Guide to RSF API by Sergey Fomel
• Guide to programming using RSF by Paul Sava
• Reproducible computational experiments using SCons by Sergey Fomel and Gilles Hennenfent

Politecnico di Milano

• Velocity-independent tau-p moveout in a horizontally-layered VTI medium by Lorenzo Casasanta and Sergey Fomel: Geophysics, 76, no. 4, U45-U57, (2011)

Seismic Laboratory for Imaging and Modeling

• New insights into one-norm solvers from the Pareto curve by Gilles Hennenfent, Ewout van den Berg, Michael P. Friedlander, and Felix J. Herrmann: Geophysics, 73, no. 4, A23-A26, (2008)
• User's manual for SLIM programs in Madagascar by Gilles Hennenfent

Stanford Exploration Project

• Test case for PEF estimation with sparse data II by Morgan Brown, Jon Claerbout, and Sergey Fomel: SEP Report, 150, 117-122 (2000)
• The double-elliptic approximation in the group and phase domains by Joe Dellinger and Francis Muir: SEP Report, 70, 361-366 (1991)
• Iterative least-square inversion for amplitude balancing by Arnaud Berlioux and William Harlan: SEP Report, 89, 167-178 (1995)
• Multiple suppression using prediction-error filter by Yalei Sun: SEP Report, 94, 205-212 (1997)
• When is anti-aliasing needed in Kirchhoff migration? by Dimitri Bevc and David Lumley: SEP Report, 80, 467-476 (1994)
• Passive seismic imaging applied to synthetic data by James Rickett and Jon Claerbout: SEP Report, 92, 83-90 (1996)
• Seismic AVO analysis of methane hydrate structures by Christine Ecker and David Lumley: SEP Report, 80, 277-292 (1994)
• A prospect for super resolution by Jon Claerbout: SEP Report, 93, 133-136 (1996)
• Earthquake stacks at constant offset by Jon Claerbout: SEP Report, 77, 361-366 (1993)
• The time and space formulation of azimuth moveout by Sergey Fomel and Biondo Biondi: SEP Report, 84, 25-37 (1995)
• Wavefront construction using waverays by Hector Urdaneta: SEP Report, 80, 85-100 (1994)
• Multi-dimensional Fourier transforms in the helical coordinate system by James Rickett and Antoine Guitton: SEP Report, 105, 167-176 (2000)
• Imaging complex structures with first-arrival traveltimes by Dimitri Bevc: SEP Report, 84, 1-10 (1995)
• Texture synthesis and prediction error filtering by Morgan Brown: SEP report, 100, 211-222 (1999)
• Random lines in a plane by Jon Claerbout: SEP report, 103, 325-328 (2000)
• Modeling 3-D anisotropic fractal media by Nizar Chemingui: SEP report, 80, 603-616 (1994)
• Traveltime sensitivity kernels: Banana-doughnuts or just plain bananas? by James Rickett: SEP report, 103, 61-68 (2000)
• Solution steering with space-variant filters by Robert G. Clapp, Sergey Fomel, and Jon Claerbout: SEP report, 95, 27-42 (1997)
• Traveltime computation with the linearized eikonal equation by Sergey Fomel: SEP report, 94, 123-131 (1997)
• Inverse B-spline interpolation by Sergey Fomel: SEP report, 105, 79-108 (2000)
• Plane wave prediction in 3-D by Sergey Fomel: SEP report, 102, 101-110 (1999)
• Evaluating the Stolt-stretch parameter by Sergey Fomel and Louis Vaillant: Journal of Seismic Exploration, v. 9, 319-335, (2001)
• Huygens wavefront tracing: A robust alternative to conventional ray tracing by Paul Sava and Sergey Fomel: SEP Report, 95, 101-113 (1997)
• Effective AMO implementation in the log-stretch, frequency-wavenumber domain by Ioan Vlad and Biondo Biondi: SEP Report, 110, 63-70 (2001)
• Antialiasing of Kirchhoff operators by reciprocal parameterization by Sergey Fomel: Journal of Seismic Exploration, v. 10, 293-310 (2002)
• Amplitude preservation for offset continuation: Confirmation for Kirchhoff data by Sergey Fomel and Norman Bleistein: Journal of Seismic Exploration, v. 9, 121-130 (2001)
• Angle-gather time migration by Sergey Fomel and Marie Prucha: SEP report, 100, 141-150 (1999)
• Spitz makes a better assumption for the signal PEF by Jon F. Claerbout and Sergey Fomel: SEP report, 103, 211-219 (2000)
• Exploring three-dimensional implicit wavefield extrapolation with the helix transform by Sergey Fomel and Jon F. Claerbout: SEP report, 95, 43-60 (1997)
• Time-migration velocity analysis by velocity continuation by Sergey Fomel: Geophysics, 68, 1662-1672 (2003)
• The Wilson-Burg method of spectral factorization with application to helical filtering by Sergey Fomel, Paul Sava, James Rickett, and Jon F. Claerbout: Geophysical Prospecting, 51, 409-420 (2003)
• Velocity continuation by spectral methods by Sergey Fomel: SEP Report, 97, 157-172 (1998)
• Spectral factorization revisited by Paul Sava and Sergey Fomel: SEP Report, 100, 227-234 (1999)
• Seismic reflection data interpolation with differential offset and shot continuation by Sergey Fomel: Geophysics, 68, 733-744 (2003)
• Theory of differential offset continuation by Sergey Fomel: Geophysics, 68, 718-732 (2003)
• Velocity continuation and the anatomy of residual prestack time migration by Sergey Fomel: Geophysics, 68, 1650-1661 (2003)
• A second-order fast marching eikonal solver by James Rickett and Sergey Fomel: SEP Report, 100, 287-292 (1999)
• Asymptotic pseudounitary stacking operators by Sergey Fomel: Geophysics, 68, 1032-1042(2003)
• Least-square inversion with inexact adjoints. Method of conjugate directions: A tutorial by Sergey Fomel: SEP Report, 92, 253-365 (1996)
• A variational formulation of the fast marching eikonal solver by Sergey Fomel: SEP Report, 95, 127-147 (1997)
• Forward interpolation by Sergey Fomel: SEP Report (Ph.D. Thesis Chapter), 107 (2001)
• Multidimensional recursive filter preconditioning in geophysical estimation problems by Sergey Fomel and Jon Claerbout: Geophysics, 68, 577-588 (2003)
• Applications of plane-wave destruction filters by Sergey Fomel: Geophysics, 67, 1946-1960 (2002)

Seismic Wave Analysis Group

• Automatic traveltime picking using the instantaneous traveltime by Christos Saragiotis, Tariq Alkhalifah, and Sergey Fomel: Geophysics, 78, T53-T58, (2013)
• Wavefield extrapolation in pseudodepth domain by Xuxin Ma and Tariq Alkhalifah: Geophysics, 78, S81-S91, (2013)
• Traveltime approximations for transversely isotropic media with an inhomogeneous background by Tariq Alkhalifah: Geophysics, 76, WA31-WA42, (2011)
• Angle gathers in wave-equation imaging for transversely isotropic media by Tariq Alkhalifah and Sergey Fomel: Geophysical Prospecting, 59, 422-431 (2011)
• An eikonal based formulation for traveltime perturbation with respect to the source location by Tariq Alkhalifah and Sergey Fomel: Geophysics, 75, T175-T183 (2010)
• Acoustic wavefield evolution as function of source location perturbation by Tariq Alkhalifah: Geophysical Journal International, 183, 1324-1331 (2010)
• A transversely isotropic medium with a tilted symmetry axis normal to the reflector by Tariq Alkhalifah and Paul Sava: Geophysics (Letters), 75, A19-A24 (2010)

Texas Consortium for Computational Seismology

• Random noise attenuation by a selective hybrid approach using f-x empirical mode decomposition by Yangkang Chen, Shuwei Gan, Tingting Liu, Jiang Yuan, Yizhuo Zhang, and Zhaoyu Jin, Journal of Geophysics and Engineering, 12, 12-25, (2015)
• Deblending using a space-varying median filter by Yangkang Chen, Exploration Geophysics, doi 10.1071/EG14051
• On anelliptic approximations for qP velocities in TI and orthorhombic media by Yanadet Sripanich and Sergey Fomel, Geophysics, 80, C89-C105, (2015)
• Iterative deblending with multiple constraints based on shaping regularization by Yangkang Chen, IEEE Geoscience and Remote Sensing Letters, doi 10.1109/LGRS.2015.2463815
• Velocity analysis using similarity-weighted semblance by Yangkang Chen, Tingting Liu, and Xiaohong Chen, Geophysics, 80, A75-A82, (2015)
• Structure-constrained relative acoustic impedance using stratigraphic coordinates by Parvaneh Karimi, Geophysics, 80, A63-A67, (2015)
• A fast algorithm for 3D azimuthally anisotropic velocity scan by Jingwei Hu, Sergey Fomel, and Lexing Ying, Geophysical Prospecting, 63, 368-377, (2015)
• Stratigraphic coordinates, a coordinate system tailored to seismic interpretation by Parvaneh Karimi and Sergey Fomel, Geophysical Prospecting, v. 63, 1246-1255, (2015)
• Carbonate reservoir characterization using seismic diffraction imaging by Luke Decker, Xavier Janson, and Sergey Fomel, Interpretation, 3, SF21-SF30, (2015)
• Random noise attenuation using local signal-and-noise orthogonalization by Yangkang Chen and Sergey Fomel, Geophysics, 80, WD1-WD9, (2015)
• Time-frequency analysis of seismic data using synchrosqueezing wavelet transform by Yangkang Chen, Tingting Liu, Xiaohong Chen, Jingye Li, and Erying Wang, Journal of Seismic Exploration, 23, 303-312, (2014)
• Deblending using normal moveout and median filtering in common-midpoint gathers by Yangkang Chen, Jiang Yuan, Zhaoyu Jin, Keling Chen, and Lele Zhang, Journal of Geophysics and Engineering, 11, 045012, (2014)
• A robust approach to time-to-depth conversion and interval velocity estimation from time migration in the presence of lateral velocity variations by Siwei Li and Sergey Fomel, Geophysical Prospecting, 63, 315-337, (2015)
• Iterative deblending of simultaneous-source seismic data using seislet-domain shaping regularization by Yangkang Chen, Sergey Fomel, and Jingwei Hu, Geophysics, 79, V179-V189, (2014)
• Lowrank seismic wave extrapolation on a staggered grid by Gang Fang, Sergey Fomel, Qizhen Du, and Jingwei Hu, Geophysics, 79, T157-T168, (2014)
• Random noise attenuation by f-x empirical mode decomposition predictive filtering by Yangkang Chen and Jitao Ma, Geophysics, 79, V81-V91, (2014)
• Selecting an optimal aperture in Kirchhoff migration using dip-angle images by Alexander Klokov and Sergey Fomel, Geophysics, 78, S243-S254, (2013)
• Local skewness attribute as a seismic phase detector by Sergey Fomel and Mirko van der Baan, Interpretation, 2, SA49-SA56, (2014)
• Structural uncertainty of time-migrated seismic images by Sergey Fomel and Evgeny Landa, Journal of Applied Geophysics, 101, 27–30, (2014)
• A parallel sweeping preconditioner for heterogeneous 3D Helmholtz equations by Jack Poulson, Björn Engquist, Siwei Li, and Lexing Ying, SIAM Journal on Scientific Computing, 35, C194-C212, (2013)
• First-break traveltime tomography with the double-square-root eikonal equation by Siwei Li, Alexander Vladimirsky, and Sergey Fomel, Geophysics, 78, U89-U101, (2013)
• Seismic data decomposition into spectral components using regularized nonstationary autoregression by Sergey Fomel, Geophysics, 78, O69-O76, (2013)
• Automated spectral recomposition with application in stratigraphic interpretation by Yihua Cai, Sergey Fomel, and Hongliu Zeng, Interpretation, 1, SA109-SA116, (2013)
• Omnidirectional plane-wave destruction by Zhonghuan Chen, Sergey Fomel, and Wenkai Lu, Geophysics, 78, V171-V179, (2013)
• A fast butterfly algorithm for generalized Radon transforms by Jingwei Hu, Sergey Fomel, Laurent Demane, and Lexing Ying, Geophysics, 78, U41-U51, (2013)
• Modeling of pseudo-acoustic P-waves in orthorhombic media with a lowrank approximation by Xiaolei Song and Tariq Alkhalifah, Geophysics, 78, C33-C40, (2013)
• Kirchhoff migration using eikonal-based computation of traveltime source-derivatives by Siwei Li and Sergey Fomel, Geophysics, 78, S211-S219, (2013)
• Lowrank finite-differences and lowrank Fourier finite-differences for seismic wave extrapolation in the acoustic approximation by Xiaolei Song, Sergey Fomel, and Lexing Ying, Geophysical Journal International, 193, 960-969, (2013)
• Accelerated plane-wave destruction by Zhonghuan Chen, Sergey Fomel, and Wenkai Lu, Geophysics, 78, V1-V9, (2013)
• Non-hyperbolic common reflection surface by Sergey Fomel and Roman Kazinnik, Geophysical Prospecting, 61, 21-27, (2013)
• Seismic wave extrapolation using lowrank symbol approximation by Sergey Fomel, Lexing Ying, and Xiaolei Song, Geophysical Prospecting, 61, 526–536, (2013)
• Seismic data analysis using local time-frequency decomposition by Yang Liu and Sergey Fomel, Geophysical Prospecting, 61, 516–525, (2013)
• Time-frequency analysis of seismic data using local attributes by Guochang Liu, Sergey Fomel, and Xiaohong Chen, Geophysics, 76, P23-P34, (2011)
• Seismic data interpolation beyond aliasing using regularized nonstationary autoregression by Yang Liu and Sergey Fomel, Geophysics, 76, V69-V77, (2011)
• Fourier finite-difference wave propagation by Xiaolei Song and Sergey Fomel, Geophysics, 76, T123-T129, (2011)
• A reversible transform for seismic data processing by William Burnett and Robert Ferguson, Journal of Geophysics and Engineering, 8, 477-486, (2011)
• Azimuthally anisotropic 3D velocity continuation by William Burnett and Sergey Fomel: International Journal of Geophysics, Article ID 484653, (2011)
• Theory of 3-D angle gathers in wave-equation seismic imaging by Sergey Fomel: Journal of Petroleum Exploration and Production Technology, 1, 11-16, (2011)
• OC-seislet: seislet transform construction with differential offset continuation by Yang Liu and Sergey Fomel: Geophysics, 75, WB235-WB245, (2010)
• Stacking angle-domain common-image gathers for normalization of illumination by Guochang Liu, Sergey Fomel, and Xiaohong Chen: Geophysical Prospecting, 59, 244-255, (2011)
• Predictive painting of 3-D seismic volumes by Sergey Fomel: Geophysics, 75, no. 4, A25-A30, (2010)
• Seislet transform and seislet frame by Sergey Fomel and Yang Liu: Geophysics, 75, no. 3, V25-V38, (2010)
• Generalized nonhyperbolic moveout approximation by Sergey Fomel and Alexey Stovas: Geophysics, 75, no. 2, U9-U18, (2010)
• Nonlinear structure-enhancing filtering using plane-wave prediction by Yang Liu, Sergey Fomel, and Guochang Liu: Geophysical Prospecting, 58, 415-427, (2010)
• 3D velocity-independent elliptically-anisotropic moveout correction by William Burnett and Sergey Fomel: Geophysics, 74, no. 5, WB129-WB136, (2009)
• Stacking seismic data using local correlation by Guochang Liu, Sergey Fomel, Long Jin, and Xiaohong Chen: Geophysics, 74, no. 3, V43-V48, (2009)
• Fractal heterogeneities in sonic logs and low-frequency scattering attenuation by Thomas J. Browaeys and Sergey Fomel: Geophysics, 74, no. 2, WA77-WA92, (2009)
• Time-lapse image registration using the local similarity attribute by Sergey Fomel and Long Jin: Geophysics, 74, no. 2, A7-A11, (2009)
• A 1-D time-varying median filter for seismic random, spike-like noise elimination by Yang Liu, Cai Liu, and Dian Wang: Geophysics, 74, V17-V24, (2009)
• Adaptive multiple subtraction using regularized nonstationary regression by Sergey Fomel: Geophysics, 74, no. 1, V25-V33, (2009)
• Time-to-depth conversion and seismic velocity estimation using time-migration velocity by Maria Cameron, Sergey Fomel, and James Sethian: Geophysics, 73, no. 5, VE205-VE210, (2008)
• Velocity analysis using AB semblance by Sergey Fomel: Geophysical Prospecting, v. 57, 311-321 (2009)
• Post-stack velocity analysis by separation and imaging of seismic diffractions by Sergey Fomel, Evgeny Landa, and M. Turhan Taner: Geophysics, 72, U89-U94, (2007)
• Velocity-independent time-domain seismic imaging using local event slopes by Sergey Fomel: Geophysics, 72, no. 3, S139-S147, (2007)
• Local seismic attributes by Sergey Fomel: Geophysics, 72, no. 3, A29-A33, (2007)
• Shaping regularization in geophysical estimation problems by Sergey Fomel: Geophysics, 72 , no. 2, R29-R36, (2007)
• On anelliptic approximations for qP velocities in transversally isotropic media by Sergey Fomel: Geophysical Prospecting, v. 52, 247-259 (2004)

Tongji University

• Simulating propagation of separated wave modes in general anisotropic media, Part I: qP-wave propagators by Jiubing Cheng and Wei Kang: Geophysics, 79, C1-C18, (2014)
• Fast algorithms for elastic-wave-mode separation and vector decomposition using low-rank approximation for anisotropic media by Jiubing Cheng and Sergey Fomel: Geophysics, 79, C97-C110, (2014)

The Rice Inversion Project

• Acoustic staggered grid modeling in IWAVE by William W. Symes
• IWAVE structure and basic use cases by William W. Symes

University of Western Australia

• Solving 3D anisotropic elastic wave equations on parallel GPU devices by Robin M. Weiss and Jeffrey Shragge: Geophysics, 78, F7-F15, (2013)

Xi'an Jiaotong University

• Seislet-based morphological component analysis using scale-dependent exponential shrinkage by Pengliang Yang and Sergey Fomel: Journal of Applied Geophysics, doi : 10.1016/j.jappgeo.2015.04.003, (2015)
• A graphics processing unit implementation of time-domain full-waveform inversion by Pengliang Yang, Jinghuai Gao, and Baoli Wang: Geophysics, 80, F31-F39, (2015)
• A numerical tour of wave propagation by Pengliang Yang
• RTM using effective boundary saving: A staggered grid GPU implementation by Pengliang Yang, Jinghuai Gao, and Baoli Wang: Computers & Geosciences, 68, 64-72, (2014)