OHSU

Junan Zhang, PhD

Staff Title:

Assistant Professor

Department:

Radiation Medicine

Specialty:

Therapeutic Radiation Physics

Degrees:

PhD: Electrical Engineering, University of Californiaat San Diego, 2005
MS: Electrical Engineering, University of California at San Diego, 2002
BS: Electrical Engineering, Tsinghua University, China, 1998

Postdoctoral Training

Medical Physics Resident, Division of Medical Physics, Department of Radiation Oncology, Duke University Medical Center, 2007-2009
Medical Physics Postdoctoral research fellow, Division of Medical Physics, Department of Radiation Oncology, Duke University Medical Center, 2005-2007

Research Interests:

Development of a novel 4D CBCT approach using deformation maps & respiration modeling.
Scatter artifact reduction & image quality enhancement through modulating X-ray beam energy in the CBCT system.
Motion & blurring artifact reduction in digital tomosynthesis imaging.

Honors and Awards:

2006 IEEE Information Theory Society Best Paper Award for the paper “Universal compression of memoryless sources over unknown alphabets”, A. Orlitsky, N. Santhanam and J. Zhang, IEEE Transaction on Information Theory, volume 50, July, 2004.

Portion of PhD dissertation was published in SCIENCE, October 17, 2003. Orlitsky A, Santhanam N, Zhang J, “Always Good Turing: Asymptotically Optimal Probability Estimation”.

Publications:

Electromagnetic Navigational Bronchoscopy-guided Fiducial Markers for Lung Stereotactic Body Radiation Therapy: Analysis of Safety, Feasibility, and Interfraction Stability.
Nabavizadeh N, Zhang J, Elliott DA, Tanyi JA, Thomas CR Jr, Fuss M, Deffebach M.

J. Zhang and F. Yin “Minimizing image noise in on-board CT reconstruction using both kilovoltage and megavoltage beam projections”, Medical Physics, Vol 34, Issue 9, Sept. 2007. Pages. 3665-3673

J. Mao, J. Zhang, S. Zhou, S. Das, D. R. Hollis, R. J. Folz, T. Z. Wong, and L. B. Marks, “Updated assessment of the six-minute walk test as predictor of acute radiation-induced pneumonitis”, International Journal of Radiation Oncology Biology Physics, Volume 67, Issue 3, 1st March 2007, Pages 759-767.

L. Ren, J. Zhang, D. Thongphiew, D. J. Godfrey, Q. J. Wu, S. Zhou, and F. Yin, “A novel digital tomosynthesis (DTS) reconstruction method using a deformation field map”, Medical Physics, Vol 35, Issue 7, July 2008, pp. 3110-3115.

J. Mao, J. Zhang, S. Zhou, J.L. Hubbs, R.J. Foltz, D.R. Hollis, K.L. Light, T.Z. Wong, C.R. Kelsey, L.B. Marks, “Association between RT-induced changes in lung tissue density and global lung function”, International Journal of Radiation Oncology Biology Physics, published online December 2008.