Seismic Laboratory for Imaging and Modeling

Post-Doctoral Fellow

Research Area: My research interests include convex optimization, image processing and sparse approximation.

About me: I received B.S. degrees in math and applied and computational mathematical sciences from the University of Washington in 2003 and a Ph.D. in math from UCLA in 2010. I was a postdoc at UC Irvine until 2013. I joined the SLIM group in Fall 2013 and am looking forward to new projects and collaborations here.

Our dear colleague Ernie Esser passed away from complications of pneumonia on March 8, 2015. Please see links:

SLIM weblog

UCLA Department of Mathematics

Nuit Blanche online community

Seattle Times

Ernie Esser, Lluís Guasch, Tristan van Leeuwen, Aleksandr Y. Aravkin, and Felix J. Herrmann, “Total-variation regularization strategies in full-waveform inversion”, SIAM Journal on Imaging Sciences, vol. 11, pp. 376-406, 2018.
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Felix Oghenekohwo, Haneet Wason, Ernie Esser, and Felix J. Herrmann, “Low-cost time-lapse seismic with distributed compressive sensing–-Part 1: exploiting common information among the vintages”, Geophysics, vol. 82, pp. P1-P13, 2017.
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Xiang Li, Ernie Esser, and Felix J. Herrmann, “Modified Gauss-Newton full-waveform inversion explained–-why sparsity-promoting updates do matter”, Geophysics, vol. 81, pp. R125-R138, 2016.
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Ernie Esser, Lluís Guasch, Felix J. Herrmann, and Mike Warner, “Constrained waveform inversion for automatic salt flooding”, The Leading Edge, vol. 35, pp. 235-239, 2016.
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Ernie Esser, Rongrong Wang, Tim T.Y. Lin, and Felix J. Herrmann, “Resolving scaling ambiguities with the $\ell_1/\ell_2$ norm in a blind deconvolution problem with feedback”, in IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2015, pp. 365-368.
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Ernie Esser, Lluís Guasch, and Felix J. Herrmann, “Automatic salt flooding with hinged FWI”, in SEG Workshop on Subsalt model buiding long to short wavelengths; New Orleans, 2015.
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Ernie Esser, Lluís Guasch, Tristan van Leeuwen, Aleksandr Y. Aravkin, and Felix J. Herrmann, “Automatic salt delineation –- Wavefield Reconstruction Inversion with convex constraints”, in SEG Technical Program Expanded Abstracts, 2015, pp. 1337-1343.
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Felix Oghenekohwo, Rajiv Kumar, Ernie Esser, and Felix J. Herrmann, “Time-lapse FWI with distributed compressed sensing”, in Inaugural Full-Waveform Inversion Workshop, 2015.
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Rajiv Kumar, Curt Da Silva, Oscar Lopez, Aleksandr Y. Aravkin, Hassan Mansour, Haneet Wason, Ernie Esser, and Felix J. Herrmann, “Rank minimization based seismic data processing and inversion”, in Inaugural Full-Waveform Inversion Workshop, 2015.
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Felix J. Herrmann, Ernie Esser, and Lluís Guasch, “Wavefield Reconstruction Inversion with convex constraints”, in Inaugural Full-Waveform Inversion Workshop, 2015.
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Philipp A. Witte, Ning Tu, Ernie Esser, Mengmeng Yang, Mathias Louboutin, and Felix J. Herrmann, “Sparsity-promoting least-square migration with linearized Bregman and compressive sensing”, in Inaugural Full-Waveform Inversion Workshop, 2015.
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Felix Oghenekohwo, Rajiv Kumar, Ernie Esser, and Felix J. Herrmann, “Using common information in compressive time-lapse full-waveform inversion”, in EAGE Annual Conference Proceedings, 2015.
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Rajiv Kumar, Oscar Lopez, Ernie Esser, and Felix J. Herrmann, “Matrix completion on unstructured grids : 2-D seismic data regularization and interpolation”, in EAGE Annual Conference Proceedings, 2015.
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Ernie Esser, Tim T.Y. Lin, Rongrong Wang, and Felix J. Herrmann, “A lifted $\ell_1/\ell_2$ constraint for sparse blind deconvolution”, in EAGE Annual Conference Proceedings, 2015.
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Ernie Esser, Lluís Guasch, Tristan van Leeuwen, Aleksandr Y. Aravkin, and Felix J. Herrmann, “Total variation regularization strategies in full waveform inversion for improving robustness to noise, limited data and poor initializations”, UBC, TR-EOAS-2015-5, 2015.
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Felix J. Herrmann, Ning Tu, and Ernie Esser, “Fast "online" migration with Compressive Sensing”, in EAGE Annual Conference Proceedings, 2015.
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Felix Oghenekohwo, Rajiv Kumar, Haneet Wason, Ernie Esser, Ning Tu, and Felix J. Herrmann, “Recent developments in compressive sensing for time-lapse studies”, SINBAD Spring consortium talks. SINBAD, 2015.
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Ernie Esser, Lluís Guasch, and Felix J. Herrmann, “Automatic salt delineation — Wavefield Reconstruction Inversion with convex constraints”, SINBAD Spring consortium talks. SINBAD, 2015.
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Ernie Esser, Rongrong Wang, Tim T.Y. Lin, and Felix J. Herrmann, “Resolving scaling ambiguities with the L1/L2 norm in a blind deconvolution problem with feedback”, SINBAD Fall consortium talks. SINBAD, 2015.
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Ernie Esser, Lluís Guasch, and Felix J. Herrmann, “Automatic salt delineation — Wavefield Reconstruction Inversion with convex constraints”, SINBAD Fall consortium talks. SINBAD, 2015.
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