Department of Geophysical Imaging

Kamal Aghazade

Assistant Professor

Research interests

  • Time series analysis and inversion
  • Finite difference solution of the acoustic and elastic wave propagation
  • Convex and non-convex optimization
  • Stochastic optimization
  • High performance computing strategies for large-scale problems
  •  Seismic imaging
  •  Regularization of inverse problem
  • Multi-parameter full waveform inversion
  • Seismic anisotropy
  •  full waveform inversion in the extended domain

Degrees

  • 2017-2023, PhD in Geophysics, University of Tehran, Iran 
  • 2013-2016, MSc in Geophysics, University of Tehran, Iran 
  • 2009-2013, BSc, Physics, University of Tabriz, Iran 

Publications

  • Gholami, A. and Aghazade, K., 2024. Full waveform inversion and Lagrange multipliers. [Geophysical Journal International, 238(1), pp.109-131.
  • Aghazade, K, Gholami, A., Aghamiry, H., Siahkoohi, H.R, [2023], Robust elastic full waveform inversion using alternating direction method of multipliers with Reconstructed Wavefields, [Geophysics].
  • Operto, S., Gholami, A., Aghamiry, H., Guo, G., Beller,S., Aghazade, K., Mamfoumbi, F., Combe, L., Ribodetti,A.,[2023], Extending the search space of Full waveform inversion beyond the single-scattering Born approximation: A tutorial review, [Geophysics].
  • Aghazade, K, Gholami, A, Aghamiry, H., and Operto, S., [2022], Anderson accelerated augmented Lagrangian based full-waveform inversion, [Geophysics, 87(1), R79-R91.]
  • Aghazade, K, Aghamiry, H., Gholami, A., and Operto, S., [2021], Randomized source sketching for full waveform inversion, [IEEE Transactions on Geoscience and Remote Sensing]
  • Izadian, S., Aghazade, K., Amini, N. and Wang, Y,[2021] A semi-exact local absorbing boundary condition for frequency-domain finite difference modelling, [Journal of Geophysics and Engineering].

Ongoing works

 FWI with Adaptive Tikhonov-TV regularization

Example: SEAM phase I velocity model, inverted by frequencies 1.5 Hz to 5.5 Hz


 FWI with Dual Lagrange formulation

Example: Elastic FWI, inverted by frequencies of 3Hz to 12~Hz