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Total result(s) found: 77
  • Mahesh Kalita and Tariq Alkhalifah, "Efficient full waveform inversion using the excitation representation of the source wavefield", Geophysical Journal International (2017):accepted.​​​​
Keywords:
FWI, excitation method
  • Umair bin Waheed, Alexey Stovas and Tariq Alkhalifah, "Anisotropy parameter inversion in vertical axis of symmetry media using diffractions", Geophysical Prospecting (2017):submitted.​​
  • ​BibTeX​ 
Keywords:
anisotropy, VTI, diffraction
  • Zedong Wu and Tariq Alkhalifah, "The optimized gradient method for full waveform inversion and its spectral implementation", Geophysics Journal International 205 (2016): 1823-1831. doi: 10.1093/gji/ggw112.​
  • BibTeX​ 
Keywords:
Numerical solutions, Fourier analysis, Inverse theory, Tomography, Wave propagation
  • Shibo Xu, Alexey Stovas and Tariq Alkhalifah, "Estimation of the anisotropy parameters from imaging moveout of diving wave in a factorized VTI medium", Geophysics (2016):submitted.​​
Keywords:
anisotropy, moveout, VTI
  • Qi Hao and Tariq Alkhalifah, "An acoustic eikonal equation for attenuating VTI media", Geophysics (2016), submitted.​​​
Keywords:
eikonal, VTI
  • Nabil Masmoudi and Tariq Alkhalifah, "Traveltime approximations and parameter estimation for orthorhombic media", Geophysics (2016):accepted.​
Keywords:
orthorhombic, parameter, estimation
  • Jiubing Cheng, Zedong Wu and Tariq Alkhalifah, "Simulating propagation of decoupled elastic waves using low-rank approximate mixed-domain integral operators for anisotropic media", Geophysics 81 (2016): T63-T77 doi: 10.1190/geo2015-0184.1.
  • BibTex​ 
Keywords:
anisotropy, elastic, decomposition, wave propagation, polarization
  • Tariq Alkhalifah, "Full-model wavenumber inversion: An emphasis on the appropriate wavenumber continuation", Geophysics 81 (2015): R89-R98. doi: 10.1190/geo2015-0537.1.
  • ​Bib​Tex​
Keywords:
full-waveform inversion, wave equation, velocity analysis
  • Juwon Oh and Tariq Alkhalifah, "The scattering potential of partial derivative wavefields in 3D elastic orthorhombic media: An inversion prospective", GJI (2015):online. DOI: 10.1093/gji/ggw238.
  • BibTex​ 
Keywords:
3D elastic waveform inversion, Multi-parameter, Radiation pattern, Orthorhombic anisotropy, Parameterisation
  • Mahesh Kalita and Tariq Alkhalifah, "Common-image gathers using the excitation imaging condition", Geophysics (2016):accepted.​
Keywords:
excitation, imaging
  • Nabil Masmoudi and Tariq Alkhalifah, "A new parametrization for waveform inversion in acoustic orthorhombic media", Geophysics (2016):accepted.​​​
Keywords:
waveform, inversion, acoustic
  • Tariq Alkhalifah, "Insights into the data dependency on anisotropy: an inversion prospective", Geophysical Prospecting (2015):accepted.
Keywords:
anisotropy, data dependency
  • Qi Hao, Alexey Stovas and Tariq Alkhalifah, "The offset-midpoint traveltime pyramid of P-waves in homogeneous orthorhombic media", Geophysics (2015):submitted.​
Keywords:
traveltime, homogeneous, orthorhombic
  • Vladimir Li, Ilya Tsvankin and Tariq Alkhalifah, "Analysis of RTM extended images for VTI media", Geophysics (2015):submitted.​
Keywords:
RTM, VTI
  • Tariq Alkhalifah and Zedong Wu, "Multi-scattering inversion for low model wavenumbers", Geophysics (2015):submitted.
Keywords:
multi-scattering, inversion
  • Juwon Oh and Tariq Alkhalifah, "Elastic Orthorhombic anisotropic parameter inversion: An analysis of parameterization", Geophysics (2015):submitted.​
Keywords:
elastic, orthorhombic, anisotropy
  • Umair bin Waheed and Tariq Alkhalifah, "Fast sweeping methods for the factored TTI eikonal equation", Journal of Scientific Computing (2015):submitted.​
Keywords:
TTI, eikonal
  • Zhendong Zhang and Tariq Alkhalifah, "Full waveform inversion using oriented time-domain imaging method for VTI medium", Geophysical prospecting (2016):submitted.​​
Keywords:
FWI, time-domain imaging, VTI
  • Ramzi Djebbi, René-Edouard Plessix and Tariq Alkhalifah, "Analysis of the traveltime sensitivity kernels for an acoustic transversely isotropic medium with a vertical axis of symmetry", Geophysical Prospecting (2015): accepted.​​
Keywords:
Anisotropy, Tomography, Inversion
  • Umair bin Waheed and Tariq Alkhalifah, "Effective ellipsoidal models for wavefield extrapolation in tilted orthorhombic media", Special issue of Studia (2015):submitted.​
Keywords:
effective model, tilted orthorhombic media
  • Tariq Alkhalifah and Zedong Wu, "Migration velocity analysis using prestack wavefields", Geophysical Prospecting (2015):submitted.​
Keywords:
migration, prestack, velocity analysis
  • Tariq Alkhalifah, "Insights into the data dependency on anisotropy: an inversion prospective", Geophysical Prospecting (2015):submitted.
Keywords:
anisotropy, data dependency
  • Yunseok Choi and Tariq Alkhalifah, "Unwrapped phase inversion with an exponential damping",  Geophysics 80 (2015): R251-R264. doi: 10.1190/geo2014-0498.1.​​​
  • BibTe​x​ 
Keywords:
inversion, phase, frequency-domain
  • Tariq Alkhalifah, "Conditioning the full-waveform inversion gradient to welcome anisotropy", Geophysics 80 (2015): R111-R122. doi: 10.1190/geo2014-0390.1.
  • BibTe​x​ 
Keywords:
inversion, anisotropy, acoustic
  • Zedong Wu and Tariq Alkhalifah, "Simultaneous inversion of the background velocity and the perturbation in full-waveform inversion", Geophysics 80 (2015): R417-R329. doi: 10.1190/geo2014-0365.1.
  • BibTe​x​ 
Keywords:
acoustic, least squares, reflection, inversion, velocity analysis
  • Tariq Alkhalifah and Zedong Wu, "The natural combination of full and image-based waveform inversion", Geophysical Prospecting (2015): online. DOI: 10.1111/1365-2478.12264.
  • BibT​ex​ 
Keywords:
FWI, MVA
  • Umair bin Waheed and Tariq Alkhalifah, "An efficient wave extrapolation method for anisotropic media with tilt", Geophysical Prospecting 63 (2015): 1126-1141. DOI: 10.1111/1365-2478.12233.
  • BibTe​x​ 
Keywords:
Anisotropy, Modelling, Wave
  • Tariq Alkhalifah, "Scattering-angle based filtering of the waveform inversion gradients", Geophysical Journal International 200 (2015): 363-373. doi: 10.1093/gji/ggu379.
  • BibT​ex​ 
Keywords:
Inverse theory, Seismic tomography, Acoustic properties
  • Umair bin Waheed, Tariq Alkhalifah and Hui Wang, "Efficient traveltime solutions of the acoustic TI eikonal equation", Journal Of Computational Physics 282 (2015): 62-76. doi:10.1016/j.jcp.2014.11.006.
  • BibTe​x​ 
Keywords:
Eikonal equation, Tilted transverse isotropy, Anisotropy, Fast sweeping method, Efficient traveltime solutions
  • Qi Hao, Alexey Stovas and Tariq Alkhalifah, "The offset-midpoint traveltime pyramid in 3D transversely isotropic media with a horizontal symmetry axis", Geophysics 80 (2015): T51-T62. doi: 10.1190/geo2013-0322.1.
  • BibT​ex​ 
Keywords:
anisotropy, traveltime, modeling, prestack, migration
  • Paul Sava and Tariq Alkhalifah, "Anisotropy signature in reverse-time migration extended images", Geophysical Prospecting 63 (2015): 271-282. DOI: 10.1111/1365-2478.12189.
  • BibTe​x​ 
Keywords:
Anisotropy signature, reverse-time migration
  • Tariq Alkhalifah, Sergey Fomel and Zedong Wu, "Source–receiver two-way wave extrapolation for prestack exploding-reflector modelling and migration", Geophysical Prospecting 63 (2015): 23-34. DOI: 10.1111/1365-2478.12162.
  • BibT​ex​ 
Keywords:
Source-receiver, two-way wave extrapolation, prestack exploding-reflector
  • Tariq Alkhalifah, "Prestack exploding reflector modelling and migration for anisotropic media", Geophysical Prospecting 63 (2015): 2-10. DOI: 10.1111/1365-2478.12148.
  • BibT​ex​ 
Keywords:
Anisotropic, Prestack, Migration
  • M. A. H. Zuberi and Tariq Alkhalifah, "Generalized internal multiple imaging", Geophysics 79 (2014): S207-S216. doi: 10.1190/geo2013-0287.1.
  • BibTex​ 
Keywords:
imaging, multiples, scattering, Reverse time migration
  • Alexey Stovas and Tariq Alkhalifah, "Analytical approximations of diving-wave imaging in constant-gradient medium", Geophysics 79 (2014): S131-S140. doi: 10.1190/geo2013-0386.1.
  • BibT​ex​ 
Keywords:
diving wave, imaging
  • Tariq Alkhalifah and Rene-Edouard Plessix, "A recipe for practical full-waveform inversion in anisotropic media: An analytical parameter resolution study", Geophysics 79 (2014): R91-R101. doi: 10.1190/geo2013-0366.1.
  • BibTe​x​ 
Keywords:
inversion, anisotropy, scattering, RTM
  • M. A. H. Zuberi and Tariq Alkhalifah, "Generalized internal multiple imaging (GIMI) using Feynman-like diagrams", Geophysical Journal International 197 (2014): 1582-1592.
  • Bib​Tex​ 
Keywords:
Interferometry, Body waves, Wave scattering and diffraction
  • Ali Aldawood, Ibrahim Hoteit and Tariq Alkhalifah, "The possibilities of compressed-sensing-based Kirchhoff prestack migration", Geophysics 79 (2014): S113-S120. doi: 10.1190/geo2013-0271.1.
  • BibT​ex​ 
Keywords:
imaging, sparse, inversion, least squares, migration
  • Tariq Alkhalifah and Yunseok Choi, "From tomography to full-waveform inversion with a single objective function", Geophysics 79 (2014): R55-R61. doi: 10.1190/geo2013-0291.1.
  • BibT​ex​ 
Keywords:
inversion, tomography, velocity analysis
  • Ramzi Djebbi and Tariq Alkhalifah, "Traveltime sensitivity kernels for wave equation tomography using the unwrapped phase", Geophysical Journal International 197 (2014): 975-986. doi: 10.1093/gji/ggu025.
  • BibTe​x​ 
Keywords:
Inverse theory, Seismic tomography, Wave propagation
  • Wilson Ibanez-Jacome, Tariq Alkhalifah and Umair bin Waheed, "Effective orthorhombic anisotropic models for wavefield extrapolation", Geophysical Journal International 198 (2014): 1653-1661. doi: 10.1093/gji/ggu229.
  • BibT​ex​ 
Keywords:
Numerical solutions, Non-linear differential equations, Seismic anisotropy, Wave propagation, Acoustic properties
  • Zedong Wu and Tariq Alkhalifah, "The optimized expansion based low-rank method for wavefield extrapolation", Geophysics 79 (2014): T51-T60. doi: 10.1190/geo2013-0174.1.
  • BibT​ex​ 
Keywords:
Reverse time migration, wave propagation, anisotropy, dispersion, Fourier transform
  • Tariq Alkhalifah, "Full-waveform inversion of the unwrapped phase of a model", Geophysical Prospecting 62 (2014): 397-403. DOI: 10.1111/1365-2478.12089.
  • BibT​ex​ 
Keywords:
Full waveform inversion, unwrapped phase
  • Alexey Stovas and Tariq Alkhalifah, "Mapping moveout approximations in TI media", Geophysics 79 (2014): C19-C26. doi: 10.1190/geo2013-0039.1.
  • BibT​ex​ 
Keywords:
traveltime, anisotropy, mapping
  • Tariq Alkhalifah, "Effective wavefield extrapolation in anisotropic media: accounting for resolvable anisotropy", Geophysical Prospecting 62 (2014): 1089-1099. DOI: 10.1111/1365-2478.12121.
  • BibTex​ 
Keywords:
wave field extrapolation, anisotropic media, resolvable anisotropy
  • Tariq Alkhalifah, "Prestack wavefield approximations", Geophysics 78 (2013): T141-T149. doi: 10.1190/geo2012-0532.1.
  • BibT​ex​ 
Keywords:
prestack, migration, modeling
  • Yunseok Choi and Tariq Alkhalifah, "Multisource waveform inversion of marine streamer data using normalized wavefield", Geophysics 78 (2013): R197-R206. doi: 10.1190/geo2012-0491.1.
  • BibT​ex​ 
Keywords:
inversion, sources, wave propagation, marine
  • Umair bin Waheed, Ivan Psencik, Vlastislav Cerveny, Einar Iversen and Tariq Alkhalifah, "Two-point paraxial traveltime formula for inhomogeneous isotropic and anisotropic media: Tests of accuracy", Geophysics 78 (2013): WC65-WC80. doi: 10.1190/geo2012-0406.1.
  • Bib​Tex​ 
Keywords:
anisotropy, ray tracing, traveltime
  • Umair bin Waheed, Tariq Alkhalifah and Alexey Stovas, "Diffraction traveltime approximation for TI media with an inhomogeneous background", Geophysics 78 (2013): WC103-WC111. doi: 10.1190/geo2012-0413.1.
  • BibTe​x​ 
Keywords:
diffraction, anisotropy, traveltime
  • Tariq Alkhalifah, "Residual extrapolation operators for efficient wavefield construction", Geophysical Journal International 193 (2013): 1027-1034. doi: 10.1093/gji/ggt040.
  • BibTe​x​ 
Keywords:
Numerical solutions, Fourier analysis, Numerical approximations and analysis, Body waves, Wave propagation, Acoustic properties
  • Tariq Alkhalifah, "Acoustic anisotropic wavefields through perturbation theory", Geophysics 78 (2013): WC41-WC50. doi: 10.1190/geo2012-0391.1.
  • BibT​ex​ 
Keywords:
acoustic, anisotropy, modeling
  • Xuxin Ma and Tariq Alkhalifah, "Wavefield extrapolation in pseudodepth domain", Geophysics 78 (2013): S81-S91. doi: 10.1190/geo2012-0237.1.
  • Bib​Tex​ 
Keywords:
Reverse time migration, wave equation, wave propagation, imaging
  • Xiaolei Song and Tariq Alkhalifah, "Modeling of pseudoacoustic P-waves in orthorhombic media with a low-rank approximation", Geophysics 78 (2013): C33-C40. doi: 10.1190/geo2012-0144.1.
  • BibT​ex​ 
Keywords:
3D, acoustic, modeling, P-wave, anisotropy
  • Akbar Zuberi and Tariq Alkhalifah, "Imaging by forward propagating the data: theory and application", Geophysical Prospecting 61 (2013): 248-267. DOI: 10.1111/1365-2478.12006.
  • Bib​Tex​ 
Keywords:
Forward propagating, Primaries, Multiples
  • Christos Saragiotis, Tariq Alkhalifah, and Sergey Fomel, "Automatic traveltime picking using local time-frequency maps", Geophysics 78 (2013): T53-T58. doi: 10.1190/geo2012-0026.1.
  • Bib​Tex​ 
Keywords:
traveltime, tomography, signal processing
  • Yunseok Choi and Tariq Alkhalifah, "Frequency-domain waveform inversion using the phase derivative", Geophysical Journal International 195 (2013): 1904-1916. doi: 10.1093/gji/ggt351.
  • Bib​Tex​ 
Keywords:
Inverse theory, Theoretical seismology, Wave propagation
  • Lyubov Skopintseva and Tariq Alkhalifah, "An analysis of AVO inversion for postcritical offsets in HTI media", Geophysics 78 (2012): N11-N20. doi:10.1190/geo2011-0288.1.
  • BibT​ex​ 
Keywords:
anisotropy, amplitude variation with offset (AVO), fractures, inversion, wide azimuth
  • Tariq Alkhalifah, "Traveltime approximations for inhomogeneous transversely isotropic media with a horizontal symmetry axis", Geophysical Prospecting 61 (2013), 495-503, DOI: 10.1111/j.1365-2478.2012.01067.x​.
  • Bib​Tex​ 
Keywords:
Azimuth, HTI media, Isotropic
  • Paul Sava and Tariq Alkhalifah, "Wide-azimuth angle gathers for anisotropic wave-equation migration", Geophysical Prospecting 61 (2013): 75-91. DOI: 10.1111/j.1365-2478.2012.01024.x​.
  • BibT​ex​ 
Keywords:
Wave-equation, Migration, Angle gathers, Anisotropy
  • Pavel Golikov, Tariq Alkhalifah and Alexey Stovas, "Prestack traveltimes for dip-constrained TI media", SEG Technical Program Expanded Abstracts (2012). doi: 10.1190/segam2012-0507.1.
  • BibTex​ 
Keywords:
anisotropy, modeling, prestack, velocity, TTI
  • Tariq Alkhalifah and Yunseok Choi, "Taming waveform inversion non-linearity through phase unwrapping of the model and objective functions", Geophysical Journal International 191 (2012): 1171-1178. doi: 10.1111/j.1365-246X.2012.05699.x​
  • Bib​Tex​ 
Keywords:
Time series analysis, Inverse theory, Seismic tomography
  • Alexey Stovas and Tariq Alkhalifah, "A new traveltime approximation for TI media", Geophysics 77 (2012): C37-C42. doi: 10.1190/geo2011-0158.1​.​
  • B​ibTex​ 
Keywords:
anisotropy, modeling, imaging
  • Yunseok Choi and Tariq Alkhalifah, "Application of multi-source waveform inversion to marine streamer data using the global correlation norm", Geophysical Prospecting 60 (2012): 748-758. DOI: 10.1111/j.1365-2478.2012.01079.x​.
  • Bib​Tex​ 
Keywords:
Global correlation, Marine streamer data, Modelled
  • Tariq Alkhalifah, "Prestack traveltime approximations", Geophysics 77 (2012): U31-U37. doi: 10.1190/geo2011-0465.1​.
  • Bib​Tex​ 
Keywords:
traveltime, prestack, velocity analysis
  • Alexey Stovas and Tariq Alkhalifah, "The TTI slowness surface approximation​", 2011 SEG Annual Meeting, 18-23 September, San Antonio, Texas: online.
  • ​​BibTex​​ 
Keywords:
TTI, slowness
  • Yunseok Choi and Tariq Alkhalifah, "Source-independent time-domain waveform inversion using convolved wavefields: Application to the encoded multisource waveform inversion", Geophysics 76 (2012): R125-R134. doi: 10.1190/geo2010-0210.1​​.​
  • BibT​ex​ 
Keywords:
inversion, sources, wavelet, modeling, wave equation
  • Tariq Alkhalifah and Paul Sava, "Migration Using a Transversely Isotropic Medium with Symmetry Normal to the Reflector Dip", International journal of Geophysics (2011): Article ID 530106, doi:10.1155/2011/530106.​
  • ​Bi​bTex​ 
Keywords:
Migration, transversely isotropic medium, symmetry normal to the reflector dip
  • Tariq Alkhalifah and Sergey Fome, "The basic components of residual migration in VTI media using anisotropy continuation", Journal of Petroleum Exploration and Production Technology 1 (2011): 17-22. doi: 10.1007/s13202-011-0006-6​.
  • ​BibTex​ 
Keywords:
Velocity continuation, Residual migration, Anisotropy
  • Tariq Alkhalifah, "Traveltime approximations for transversely isotropic media with an inhomogeneous background", Geophysics 76 (2011): WA31-WA42. doi: 10.1190/1.3555040​.​
  • BibT​ex​ 
Keywords:
traveltime approximations, transversely isotropic media, inhomogeneous background
  • Tariq Alkhalifah, "Wavefield dependency on virtual shifts in the source location", Geophysical Prospecting 59 (2011): 627-634. DOI: 10.1111/j.1365-2478.2010.00944.x​.
  • Bi​bTex​ 
Keywords:
Laplacian, Perturbation, Wavefield
  • Tariq Alkhalifah, "Scanning anisotropy parameters in complex media", Geophysics 76 (2011) U13-U22. doi: 10.1190/1.3553015​.
  • Bi​bTex​ 
Keywords:
anisotropic media, geophysical techniques, inhomogeneous media, partial differential equations, perturbation theory, seismology
  • Tariq Alkhalifah and Sergey Fomel, "Angle gathers in wave-equation imaging for transversely isotropic media", Geophysical Prospecting 59 (2011): 422 - 431. DOI: 10.1111/j.1365-2478.2010.00930.x​.
  • BibTex​ 
Keywords:
Angle gathers, Anisotropy
  • Tariq Alkhalifah, "Efficient traveltime compression for 3D prestack Kirchhoff migration", Geophysical Prospecting 59 (2011): 1-9. DOI: 10.1111/j.1365-2478.2010.00886.x​
  • BibTex​ 
Keywords:
Compression, Migration, Traveltime
  • Tariq Alkhalifah, "Acoustic wavefield evolution as a function of source location perturbation", Geophysical Journal International 183 (2010): 1324 - 1331. DOI: 10.1111/j.1365-246X.2010.04800.x.
  • Bib​Tex​ 
Keywords:
Numerical solutions, Wave propagation, Acoustic
  • Tariq Alkhalifah and Sergey Fomel, "An eikonal-based formulation for traveltime perturbation with respect to the source location", Geophysics 75 (2010): T175-T183. doi: 10.1190/1.3490390​​.
  • ​BibTex ​
Keywords:
eikonal, traveltime perturbation, source location
  • Tariq Alkhalifah and Paul Sava, "A transversely isotropic medium with a tilted symmetry axis normal to the reflector", Geophysics 75 (2010): A19-A24. doi: 10.1190/1.3409114​​.
  • BibTex​ 
Keywords:
transversely isotropic media
  • ​Tariq Alkhalifah, "Prestack phase-shift migration of separate offsets in laterally inhomogeneous media",  Geophysics 75 (2010): S95-S101.​ doi: 10.1190/1.3381884​​.
  • BibTex​ 
Keywords:
prestack phase-shift migration, laterally inhomogeneous media