Linh Nguyen

Linh Nguyen is an Associate Professor at the Department of  Mathematics, University of Idaho. His research interests include: Inverse Problems/ Computational Imaging, Data Assimilation, and Machine Learning. In the past, he also worked on nonlinear PDEs.  He can be contacted via email at lnguyen@uidaho.edu or on phone at 1-208-885-6629.

NEWS

2018

• Two research advisees, Jonah Bartrand and Tuan Pham, are the recipients of the Dean's Awards for undergraduate and graduate students. Congratz to Jonah and Tuan!
  
  
• Our Data Science Competition is ending soon. Submit your work fast to beat the deadline!
  
  
• Our article, A New Sparsification and Reconstruction Strategy for Compressed Sensing Photoacoustic Tomography, has been accepted for publication on the Journal of Acoustic Society of America.
  
  
• We proudly annouce the first ever campus-wide Data Science Competition: https://dscomp.ibest.uidaho.edu. There are two separate tracks of competition: 1) Machine Learning and 2) Data Visualization & Storytelling. The competition is open to the whole UI community, but the prizes are only for students. Join us to have fun!
  
  
• I have been invited to the Oberwolfach workshop “Tomographic Inverse Problems: Theory and Applications”, Jan 27 - Feb 2, 2019.
  
  
• Eli Smith has been awarded the Hills fellowship to work on the projection “Effects of sound on binocular vision” under my supervision. Congrats, Eli!
  
  
• Our team (Linh Nguyen, Frank Gao, Camden Clark, and Daniel Furman) will participate in a Data Carpentry workshop, eScience Institute, Seattle, March 22-23.
  
  
• I will attend the workshop “New Deep Learning Techniques” at IPAM, Feb 5-9.

2017

• Nov 30: My undergrad researcher, Jonah Bartrand, has been awarded a grant from the Office of Undergrad Research to work on his project “High Performace Computing for Photoacoustic Tomography”. Congratz, Jonah!
  
  
• Nov 28: Our article "Analysis of the Linearized Problem of Quantitative Photoacoustic Tomography” is accepted for publication on SIAM Journal on Applied Mathematics.
  
  
• I will coteach a special topic course on Mathematics of Deep Learning (with Frank Gao) in the spring of 2018.
  
  
• Sept 27: Our minisymposium on “Machine Learning Techniques for Image Reconstruction” is accepted at SIAM Imaging Conference 2018. See you in Bologna, June 2018.
  
  
• Oct 14: My undergraduate researcher, Jonah Bartrand, presented his work on Python implemention of iterative methods for PAT at Northwest Undergraduate Mathematics Symposium (NUMS).
  
  
• Setp 14: Our paper on Time reversal method for thermoacoustic acoustic tomography in elastic media: convergence with sharp observation time is accepted for publication on Applied Mathematics Letters.
  
  
• Together with Markus Haltmeier, we submitted a proposal for a minisymposium on “Machine Learning Techniques for Image Reconstruction” at SIAM Imaging Conference 2018.
  
  
• I am running a Python Data Analysis club, which meets on every Wednesday at 4:30-5:30 PM. Contact me if you are interested.
  
  
• August 29: Our paper with Markus Haltmeier and Richard Kowar on Iterative Methods for Photoacoustic Tomography in Attenuating Media is accepted for publication on Inverse Problems. 
  
  
• August 13: I am now an associate professor with tenure.
  
  
• Check out our paper with Vitaly Katsnelson on Arxiv Time reversal method for thermoacoustic acoustic tomography in elastic media: convergence with sharp observation time
  
  
• Check out our paper on Arxiv “Iterative Methods for Photoacoustic Tomography in Attenuating Acoustic Media”
  
  
• Check out our minisymposium Inverse problems for Radiative Transfer Equation and Broken Ray Approximation at the conference 100 Years of Radon Transform.
  
  
• March 28: I gave a talk at the minisymposium Analytic Aspects of Radon Transform at the conference 100 Years of Radon Transform.
  
  
• March 21: My paper with Markus Haltmeier on “Analysis of Iterative Method in Photoacoustic Tomography with Variable Speed” has been accepted on SIAM Journal of Imaging Sciences.
  
  
• Check out our new paper on Arxiv "Analysis of the Linearized Problem of Quantitative Photoacoustic Tomography"

2016

• Nov 24: My paper with Markus Haltmeier on “Iterative Method for Photoacoustic Tomography with Variable Speed” has been submitted. See the preprint on arxiv
  
  
• Nov 8: I gave an invited talk at the Colloquium, Department of Mathematics, University of North Carolina at Charlotte
  
  
• Nov 5: I gave an invited talk at the Colloquium, Department of Mathematics, Georgetown University
  
  
• Oct 27: I gave an invited talk at Inverse Problems Seminar at Colorado State University
  
  
• Oct 3: I will organize (jointly with Markus Haltmeier) the mini-symposium on “Inverse problems for Radiative Transfer Equation and Broken Ray Approximation” at 100 Years of Radon Transform conference
  
  
• Nov 31: My paper with Julianne Chung on “Motion Estimation and Correction in Photoacoustic Tomographic Reconstruction” has been accepted for publication on SIAM Journal of Imaging Science
  
  
• Sept 16: I gave an invited talk at miniworkshop “Current and future trends in computed tomography"
  
  
• July 5: I received an NSF grant on “Mathematics of Tomography"
  
  
• June 3: My paper with Leonid Kunyansky was published on SIAM Journal of Imaging Sciences (Vol 9, Issue 2)
  
  
• May 23-26: I attended the SIAM Conference on Imaging Sciences in Albuquerque. My talk “A dissipated time-reversal technique for photo-acoustic tomography” was given in the minisymposium “Recent Developments in Hybrid Inverse Problems and Imaging”.
  
  
• May 27: My paper "On the strength of streak artifacts in filtered-backprojection reconstructions for limited angle weighted X-ray transform” was accepted for publication on Journal of Fourier Analysis and Applications.
  
  
• March 9: I gave a talk at the Applied Inverse Problems seminar at Texas A&M University.
  
  
• Feb: My paper "Range Description for a Spherical Mean Transform on Spaces of Constant Curvatures” was pulished on Journal d’Analyses Mathematique (Vol. 128, Iss.1, pp. 191-214)
  
  
• Feb 8: I pitched my work with Daniel Schmalz on “Simultaneous Image Reconstruction and Deblurring in Photo-acoustic Tomography” on Vandals Idea Project Event.

2015

• Dec: My paper with Lyudmyla Barannyk and Juergen Frikel  "On artifacts in limited data spherical Radon transform: curved observation surfaces” was published on Inverse Problems (Vol 32, No. 1)
  
  
• Sep 29 - Oct 4: I visited Francois Monard at the University of Michigan at Ann Arbor.
  
  
• Sep 10: I gave a talk on “Mathematics of Thermo-acoustic/Photo-acoustic Tomography” at the Math Colloquium, University of Idaho.
  
  
• Jul 19-21: I visited Julianne Chung at Virginia Tech. We worked on algorithms for TAT with moving object.
  
  
• Jul 12-17: I was an invited speaker at the workshop on “Computational and Analytical Aspects of Image Reconstruction,” ICERM, Brown University. My talk is titled “A new time-reversal technique for Thermo-acoustic Tomography in a Cavity.”
  
  
• Jun 23-26: I visited the Computational Bioimaging Laboratory at the Washington University at St. Louis to work with Mark Anastasio and his group.
  
  
• Jun 14-19: I was an invited speaker at the BIRS Workshop on “Hybrid Methods in Imaging”, Banff International Research Station, Canada. My talk is “On the artifacts in a limited data spherical Radon transform.”
  
  
• Jun 8-12: I was an invited speaker at the workshop on “Geometric Inverse Problems” at the Institute Henri Poincare, Paris, France. The title of my talk is “On the streak artifacts in limited angle computed X-ray tomography.”
  
  
• Jun 1-7: I visited the Applied Mathematics Group at the University of Innsbruck, Austria.
  
  
• May 25-29: I was an invited speaker at the conference on “Applied Inverse Problems” in Helsinki, Finland. My talk is “On the artifacts in a limited data spherical mean transform” at the Special section on “Current developments in tomography: from theory to algorithms.”