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

• Multiple realizations using standard inversion techniques by Robert Clapp: SEP Report, 105, 67-78 (2000)
• Test case for PEF estimation with sparse data II by Morgan Brown, Jon Claerbout, and Sergey Fomel: SEP Report, 105, 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

• Double sparsity dictionary for seismic noise attenuation by Yangkang Chen, Jianwei Ma, and Sergey Fomel, Geophysics, 81, V17-V30, (2016)
• Seismic data interpolation using nonlinear shaping regularization by Yangkang Chen, Lele Zhang, and Le-wei Mo, Journal of Seismic Exploration, 24, 327-342, (2015)
• Ground-roll noise attenuation using a simple and effective approach based on local band limited orthogonalization by Yangkang Chen, Shebao Jiao, Jianwei Ma, Hanming Chen, Yatong Zhou, and Shuwei Gan, IEEE Geoscience and Remote Sensing Letters, 12, 2316-2320, (2015)
• 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 II: qS-wave propagators by Jiubing Cheng and Wei Kang: Geophysics, 81, C39-C52, (2016)
• 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)