Dafang Wang, Ph.D

EDUCATION

Ph.D., Computer Science, School of Computing, University of Utah / June 2012
Advisors: Chris Johnson, Mike Kirby. Other committee members: Rob MacLeod, Ross Whitaker, Dana Brooks (Northeastern University).

Bachelor of Engineering, Computer Science, Zhejiang University / 2001 - 2005
Member of the Mixed Class in Chu Kechen Honors College.

RESEARCH & PROFESSIONAL EXPERIENCE

Research Assistant, Scientific Computing & Imaging (SCI) Institute, University of Utah

 2006 - Present
- Developed optimization methods for various inverse ECG problems: recovering epicardial source, bidomain heart source, and localizing ischemia.

Research Assistant, NIH Center for Integrative Biomedical Computing, SCI Institute

 2006 - Present
- Developed h/p finite element methods for image-based ECG/EEG forward/inverse simulation.

External Technical Consultant, St. Jude Medical, Minnesota

 Nov 2011 - Mar 2012
- Prototyped catheter-based diagnosis and treatment within heart chambers.

Teaching Assistant, School of Computing, University of Utah

 Aug 2005 - May 2006
- TA for 3 courses: scientific computing (undergraduate level), computer networks (graduate level), visual computing (graduate level).

PUBLICATIONS

Journal Articles

  1. Dafang Wang, Robert M. Kirby, Rob S. MacLeod, Chris R. Johnson. “Inverse electrocardiographic source localization of ischemia: an optimization framework and finite element solution”, Journal of Computational Physics, 2012, under review.

  2. D. Wang, R.M. Kirby, C.R. Johnson. “Finite-element-based discreitzation and regularization strategies for 3D inverse electrocardiography”, IEEE Transactions on Biomedical Engineering, 2011.

  3. D. Wang, R.M. Kirby, C.R. Johnson. “Resolution Strategies for the Finite Element Based Solution of the Electrocardiographic Inverse Problem”, IEEE Trans on Biomedical Engineering, 2010.

Refereed Conference Papers

  1. D. Wang, R.M. Kirby, R.S. MacLeod, C.R. Johnson. “An Optimization Framework for Inversely Estimating Myocardial Transmembrane Potentials and Localizing Ischemia”, IEEE Engineering in Medicine and Biology Society Conference (EMBC), 2011.

  2. B. Burton, J. Tate, B. Erem, D. Wang, D. Brooks, P. van Dam, R. MacLeod. “A Toolkit for Forward/Inverse Problems in Electrocardiography within the SCIRun Problem Solving Environment”, EMBC, 2011.

  3. D. Wang, R.M. Kirby, R. MacLeod, C.R. Johnson. “Identifying Myocardial Ischemia by Inversely Computing Transmembrane Potentials from Body-Surface Potential Maps”, International Conference on Bioelectromagnetism, 2011.

  4. D. Wang, R.M. Kirby, R. MacLeod, C.R. Johnson. “A new family of variational-form-based regularizers for reconstructing epicardial potentials from body-surface mapping”, Computing in Cardiology, 2010.

  5. D. Wang, R.M. Kirby, C.R. Johnson. “Finite Element Refinements for Inverse Electrocardiography: Hybrid-Shaped Elements and High-Order Element Truncation”, Computing in Cardiology, 2009.

  6. D. Wang, R.M. Kirby, C.R. Johnson. “Finite Element Discretization Strategies for the Inverse Electrocardiographic Problem”, World Congress on Medical Physics and Biomedical Engineering, 2009.

  7. M. Milanic, V. Jazbinsek, D. Wang, R. Macleod et al. “Evaluation of Approaches of Solving Electrocardiographic Imaging Problem”, Computing in Cardiology, 2009

Refereed Conference Papers

  1. D. Wang, R.M. Kirby, C.R. Johnson. “Noninvasive detection of myocardial ischemia: An inverse problem in electrocardiography”, Applied Inverse Problems Conference, 2011.

  2. D. Wang, R.M. Kirby, R. MacLeod, C.R. Johnson. “Localizing Myocardial Ischemia by Computing Transmembrane Potentials from Body-Surface Measurements”, Utah Biomedical Engineering Conference, 2011.

INVITED REVIEWS

  • International Journal of Computer Assisted Radiology and Surgery
  • Computing Science and Technology International Journal
  • Conference of IEEE Engineering in Medicine and Biology Society
  • Journal of Advances in Electrical and Electronic Engineering
  • British Journal of Mathematics & Computer Science

TEACHING

  • Teaching Assistant, School of Computing, University of Utah
    - Computer Networks (graduate level), fall 2005
    - Visual Computing (graduate level), Scientific Computing (undergraduate level), spring 2006

  • Guest Lectures, University of Utah
    - Scientific Computing (undergraduate level), 2008, 2009   
    - Scientific Computing (graduate level), 2010

INVITED TALKS

  • Finite Element Solutions to Inverse Problems in Electrocardiography
    Duke University, July 2012

  • Localizing Myocardial Ischemia by Inversely Computing Transmembrane Potentials
    Utah Biomedical Engineering Conference, September 2011
    Conference of IEEE Medicine and Biology Society, August 2011
    Applied Inverse Problems Conference, May 2011
    International Conference on Bioelectromagnetism, May 2011

  • Variational Regularization for Reconstructing Epicardial Potentials from Body-Surface Mapping
    Computing in Cardiology Conference, September 2010

  • Finite Element Refinements for Inverse Electrocardiography
    Computing in Cardiology Conference, September 2009

  • Finite Element Solution for Inverse Problems in Electrocardiography 
    External Advisory Board Meeting of the SCI Institute, University of Utah, September 2007

HONORS & AWARDS

  • Student travel award, Applied Inverse Problems Conference,  2011
  • Graduate student travel award, University of Utah, 2010

SERVICE & ACTIVITIES

  • Member: IEEE Computer Society, IEEE Medicine & Biology Society, SIAM.
  • Member of the student board at the Scientific Computing and Imaging Institute
  • Member of student board in the School of Computing, University of Utah
  • President of the Chinese Student and Scholar Association, University of Utah