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Education

Ph.D., Electrical and Computer Engineering, 2007

Electrical and Computer Engineering Department, University of California, Santa Barbara, CA

Dissertation title: "Quantitative Analysis and Modeling of Confocal Retinal Images",

Advisor: Prof. B.S. Manjunath.

M.S., Electrical and Computer Engineering, 2006

Electrical and Computer Engineering Department, University of California, Santa Barbara, CA

Advisor: Prof. B.S. Manjunath, GPA:3.79/4.0.

M.S., Computer Engineering, 2000

Computer Engineering Department, Pusan National University (PNU), Pusan, South Korea

Thesis title: "A Method for Extracting Halftones from Scanned Color Documents",

Advisor: Prof. Minhwan Kim, GPA:3.95/4.0.

B.S, Computer Engineering, 1998

Computer Engineering Department, Pusan National University (PNU), Pusan, South Korea

Experience

Research Staff Member, July 2007 - present

Mayachitra Inc., Santa Barbara, CA

Post Doctoral Researcher, July 2007 - October 2007

Center for Bio-Image Informatics, University of of California, Santa Barbara, CA

Graduate Student Researcher, April 2002 - June 2007

Vision Research Lab, University of of California, Santa Barbara, CA

Summer Intern, June 2004 - September 2004

U-health program team at Samsung Advanced Institute of Technology (SAIT), Yongin-si, Gyeonggi-do, South Korea

Research Assistant, January 2001 - July 2001

Research Institute of Computer, Information & Communication (RICIC), Pusan National University, Pusan, South Korea

Teaching Assistant, October 2000 - July 2001

Computer Center, Pusan National University (PNU), Pusan, South Korea

Intern, April 2000 - September 2000

Research Institute of Computer, Information & Communication (RICIC), Pusan National University, Pusan, South Korea

Research Assistant, March 1998 - February 2000

Computer Vision lab, Pusan National University, Pusan, South Korea

Teaching Assistant, September 1998 - December 1998 and March 1998 - June 1998

Computer Engineering Department, Pusan National University, Pusan, South Korea

Selected publications

• G. Luna, S. Kjellstrom, M. R. Verardo, G. P. Lewis, J. Byun, P. A. Sieving, and S. K. Fisher, "Transient retinal detachment reduces cavity size and does not exacerbate the glial and neuronal remodeling in a mouse model of x-linked retinoschisis," Investigative Ophthalmology and Visual Science (in press), 2009.
• J. S. Moon, J. K. Lee, S. Cho, J. Byun, and A. J. Heeger, " " Columnlike" structure of the cross-sectional morphology of bulk heterojunction materials," Nano Letter, vol. 9(1), pp. 230–234, 2009.
• E. D. Gelasca, J. Byun, B. Obara, and B. S. Manjunath, "Evaluation and benchmark for biological image segmentation," in IEEE International Conference on Image Processing, Oct 2008.
• L. Bertelli, J. Byun, and B. S. Manjunath, "A variational approach to exploit prior information in objectbackground segregation: Application to retinal images," in IEEE International Conference on Image Processing (ICIP), Sep 2007.
• J. Byun, N. Vu, B. Sumengen, and B. S. Manjunath, "Quantitative Analysis of Immunofluorescent Retinal Images," IEEE International Symposium on Biomedical Imaging: From Nano to Macro (ISBI), Arlington, Virginia, USA, April 2006.
• J. Byun, M. R. Verardo, N. Vu, D. Fedorov, G. P. Lewis, S. K. Fisher, and B. S. Manjunath, "Quantifying structural distortions in retinal tissue before and after injury," in 2006 Workshop on Multiscale Biological Imaging, Data Mining & Informatics, Sep 2006.
• J. Byun, M. R. Verardo, B. Sumengen, G. P. Lewis, B. S. Manjunath, and S. K. Fisher, "Automated tool for the detection of cell nuclei in digital microscopic images: Application to retinal images," Molecular Vision, vol. 12, pp. 949–960, Aug 2006.