Kwon, Song-Hwa

 

Postdoctoral Associate

Institute of Mathematics and its Applications

University of Minnesota

259 Lind Hall

207 Church St. S.E.

Minneapolis, MN 55455

 

e-mail:shkwon at ima dot umn dot edu

Office: (612) 626-8996, Fax: (612) 626-7370

 

Education

Ph.D. in Mathematics, Seoul National University, February 2004

Advisor: Professor Hyeong In Choi.

  

M.A. in Mathematics, Seoul National University, August 1999

Advisor: Professor Hyeong In Choi.

 

B.S. in Mathematics, Seoul National University (with Honor, summa cum laude), February 1997

 

EMPLOYMENT

l         Post Doctoral Associate, September 2005 – current
Institute for Mathematics and its Application
University of Minnesota

l         Post Doctoral Research Fellow, March 2004 – August 2005
Statistical Research Center for Complex Systems
Seoul National University

l         Part-time Instructor, March 2002 – August 2005
Department of Mathematics
Seoul National University

l         Teaching Assistant, March 1997 – February 2002
Department of Mathematics
Seoul National University

l         Senior Research Scientist (Part time), August 2000 – August 2005
Amisys Corporation Research Laboratory

 

Publication

Published/Accepted

1.       Two-dimensional offsets and medial axis transform, Advances in Computational Mathematics, 2006, accepted (with H.I.Choi, S.W.Choi, C.Y.Han, T.W.Kim, H.P.Moon, K.H.Roh, N.S.Wee), pdf

 

2.       Explicit nonflat time evolution for PDE-based image restoration, Lecture Notes in Computer Science, Springer-Verlag, 2006, accepted (with S.Kim), pdf

  

3.       Almost rotation-minimizing rational parametrization of canal surfaces, Computer Aided Geometric Design, Volume 21 (November 2004), Issue 8, 859—881 (with H.I.Choi & N.S.Wee), pdf

 

4.       Modified Variable Multi-Sector Method for Iris Identification, Special session on research at The Biometric Consortium Conference BC2004, Sep 20-22, 2004 (with H.I.Choi, D.H.Kim, S.J.Lee)

 

5.       Clifford algebra, Lorentzian geometry, and rational parametrization of canal surfaces, Computer Aided Geometric Design, Volume 21 (April 2004), Issue 4, 327—339 (with H.C.Cho, H.I.Choi, D.S.Lee, N.S.Wee), pdf

 

6.       Clifford Algebra, Pythagorean Hodograph, and Rational Parametrization of Curves and Surfaces, February 2004 (Ph.D. Dissertation), pdf

 

7.       Spread spectrum watermarking scheme using PN sequence, Proceedings of the 2003 Workshop on Information Security for Multimedia Contents, p.44-49, May 2003 (with H.C.Cho, H.I.Choi, J.W.Jeon, H.P.Moon, S.H.Seo)

 

8.       B-spline animation watermarking, Proceedings of the 2003 Workshop on Information Security for Multimedia Contents, p.91-95, May 2003 (with H.C.Cho, T.W.Kim, H.P.Moon, S.H.Seo), pdf

 

9.       A New Digital Watermarking Scheme for Rational Bezier Curves and Surfaces, Proceedings of the 2002 Workshop of Korea Information Processing Society, vol. 9, issue 1, p.625-628, April 2002 (with H.I.Choi, T.W.Kim, H.P.Moon, N.S.Wee), pdf

 

Submitted

1.       Topological criterion for selection of quintic Pythagorean-hodograph Hermite interpolants, Computer Aided Geometric Design, 2006, submitted (with H.I.Choi, R.T.Farouki, H.P.Moon), pdf

 

2.       A Digital Watermarking Scheme for Polygonal Meshes using Modified Spectral Decomposition, ACM Symposium on Solid and Physical Modeling, 2005, submitted (with H.I.Choi, T.W.Kim, S.H.Park, H.J.Shin, J.K.Sohn), pdf

 

Some Visualization Softwares

1.      Planar Quintic Pythagorean-Hodograph Curves

2.      Planar C2 Quintic Pythagorean-Hodograph Splines

3.      Cubic MPH Curves

4.      2D Rectangle Packing