Xianhong Xie

Department of Statistics

University of Wisconsin-Madison

Medical Science Center

1300 University Ave.

Madison, WI 53706, USA

Tel: (608) 263-7329

Office: Room B248 MSC

e-mail: xie@stat.wisc.edu

Working Experience:

• 2000 Spring - 2005 Summer, Research Assistant of Prof. Grace Wahba
• 1999 Fall, Teaching Assistant of Prof. Kam-Wah Tsui, Stat 301
• 1996 Summer - 1999 Summer, Software Developer, Tianjin, China

Interesting Links:

• Sina Net
• MIT BBS
• Google
• Emacs  (my favorite all-purpose editor, see my .emacs for NTEmacs)
• Perl  /  Python  (programming languages mainly for text file handling)
• Software Tools   (including stuff for SSH, file downloading and more)

Spline Stuff:

• R Tutorial on Smoothing Spline
• R Tutorial on Thin Plate Spline
• Splines on the Sphere (my small R package sspline)
• a sample run of the package (result in ps/pdf/jpg)
• Matlab Interface for GCVSPL (my toolbox gcvsplmat)
• differences between my version and ANTONIADIS's
• Interfaces for Thin Plate Spline (based on GCVPACK)
• R interface rgcvpack (download here)
• Matlab interface gcvpackmat (download here)

Presentations:

• Using Condor Effectively for Statistical Computing, Feb 2005. Department of Statistics, UW-Madison (pdf/4up pdf/4up ps)
• Thin Plate Spline Thresholding: A New Method for Magnetic Resonance Image Segmentation, Feb 2005. W. M. Keck Laboratory, UW-Madison (pdf/ps)

Publication:

• Xie, X. Smoothing in Magnetic Resonance Image Analysis and a Hybrid Loss for Support Vector Machine TR 1110, August 2005. PhD Thesis.
• Xie, X., Chung, M. K., Wahba, G. Magnetic Resonance Image Segmentation with Thin Plate Spline Thresholding (html) 2005. Accepted for presentation at the 11^th Annual meeting of the Organization for Human Brain Mapping, Toronto. Technical report version (TR 1105) in pdf.
• Carew, J., Wahba, G., Xie, X., Nordheim, E., and Meyerand, M. Optimal Spline Smoothing of fMRI Time Series by Generalized Cross-Validation (pdf) TR 1058, June 2002. In NeuroImage 18, 950-961, 2003.

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