Xiaofeng Liu

Current Address:                                                                                                      Contact

1136 D Regina Dr.                                                                                  Phone: 410-322-1719

Baltimore, MD 21227                                                              Email: xiaofeng.liu@gmail.com

Education

The Johns Hopkins University, Baltimore MD, Aug. 2003 – present

PhD in Computer Science (Expected 08/2009)

Advisor: Dr. Jerry L. Prince

Vanderbilt University, Nashville TN, Aug. 2001– May 2003

M.S. in Computer Science

Advisor: Dr. J. Michael Fitzpatrick

Institute of Automation, Chinese Academy of Sciences, Beijing, China, Sep. 1998 – July 2001

M.E. in Pattern Recognition & Artificial Intelligence

Advisor: Dr. Hanqing Lu

University of Science and Technology of China, Hefei, China. Sep. 1993 – Jul. 1998

B.E. in Automatic Control

Research and work experiences

Intern, Siemens Corporate Research, supersized by Dr. Christine Lorenz, 06/2006-09/2006

·       Theoretical investigation on  the signal behavior of MR tagging using SSFP sequence

·       Optimization of the Strain Encoding (SENC) pulse sequence using SSFP and variable flip

angle on Siemens MRI scanner, and application on human and phantom

Research Assistant, Johns Hopkins University, with Dr. Jerry L. Prince, 01/2005 – present

·       Investigation on 3D tongue motion tracking using tagged MR images during speech

·       Reliable 2D motion tracking using tagged MR images

·       3D nonrigid medical image registration method using radial basis functions. Delivered a software package that is being intensively used in our lab and collaborative labs

Research Assistant, Johns Hopkins University, with Dr. Russel  H. Taylor, 07/2003 – 08/2004

·       Magnetic field distortion correction of magnetic tracking system (Aurora)

·       Matlab control of Polaris optical tracking system

·       Image processing software package development in Matlab for computer assisted hip osteotomy surgery

Research Assistant, Vanderbilt University, with Dr. J. Michael Fitzpatrick, 01/2002 – 05/2003

·       Fiduacial marker identification and localization in CT and MR images using optical flow. (Work was purchased by a company and will be used onclinical application).

Research Assistant, National Laboratory of Pattern Recognition, Chinese Academy of Sciences,

with Dr. Hanqing Lu, Jul. 1999 – Jun. 2001

·       Construction of a virtual bronchus endoscopy system

·       Segmentation and registration of pelvis from CT Images to build artificial pelvis for transplantation

Technical Skills

Programming Skills: C/C++, Matlab, Unix shell script, SQL, Visual Basic, HTML, 

Operating Systems: Windows, Linux, Unix.

Publications

1.     Xiaofeng Liu, Jiachen Zhuo, Harsh Agarwal, Khaled Z. Abd-Elmoniem, Emi Murano, Maureen Stone, Rao Gullapalli, and Jerry Prince, Quantification of Three Dimensional Tongue Motion During Speech Using zHARP, SPIE Medical Imaging, 2008.

2.     Xiaofeng Liu, Ying Bai and Jerry L. Prince, Shortest Path Refinement for HARP Motion Tracking, SPIE Medical Imaging 2008.

3.     Junghoon Lee, Xiaofeng Liu, Jerry L. Prince, Gabor Fitchinger, Prostate Brachytherapy Seed Localization with Gaussian Blurring and Camera Self-Calibration. Eleventh International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI), 2008

4.     Junghoon Lee, Xiaofeng Liu, Ameet K. Jain, Jerry L. Prince, Gabor Fitchinger, Tomosynthesis-based Radioactive Seed Localization in Prostate Brachytherapy Using Modified Distance Map Images, Proceeding of IEEE International Symposium on Biomedical Imaging (ISBI), 2008

5.     K. Z. Abd-Elmoniem, M. Stuber, A. A. Youssef, T. Sasano, T. P. Abraham, X. Liu, S. Mullur, E-J. P. Vonken, M. R. Abraham, and J. L. Prince, Direct Quantification of 3-D Myocaridal Principal Strain Orientations: A new Insight into Heart Regional Function, Proceeding of ISMRM 2008 (Abstract)

6.     Xiaofeng Liu, Jianchan Zhuo, Harsh Agarwal, Khaled Z. Abd-Elmoniem, Emi Murano, Maureen Stone, Jerry L. Prince, HARP MRI Techniques for Imaging Tongue Motion. Proceedings of the Fourth B-J-K Symposium on Biomechanics, Healthcare and Information Science, 2008, Kanazawa, Japan.

7.     Stone M, Liu X, Shinagawa S, Murano EZ, Gullapalli R,  Zhuo J, Prince JL. Speech Patterns in a Muscular Hydrostat: Normal and Glossectomy Tongue Movement. Proceedings of the Fourth B-J-K Symposium on Biomechanics, Healthcare and Information Science, 2008, Kanazawa, Japan.

8.     Murano EZ, Stone M, Zhou J, Liu X, Gullapalli R, Salama A, Ord R, Prince J, Functional Outcomes of Glossectomy Surgery with and without Flap Reconstruction. Proceedings of the Fourth B-J-K Symposium on Biomechanics, Healthcare and Information Science, 2008, Kanazawa, Japan.

9.     Xiaofeng Liu, Ameet K. Jain, Gabor Fitchtinger, Prostate Implant Reconstruction with Discrete Tomography, Tenth International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI), 2007.

10.  Xiaofeng Liu, Jerry L. Prince, Fast and Robust HARP Tracking Using Region Growing, Proceeding of ISMRM 2007 (Abstract)

11.  Xiaofeng Liu, Li Pan, Wolfgang Relwald, and Christine Lorenz, Study of Magnetization Behavior of MR Tagging with Steady State Free Precession, Proceeding of ISMRM 2007 (Abstract)

12.  Xiaofeng Liu, Emi Murano, Maureen Stone, and Jerry L. Prince, HARP Tracking Refinement Using Seeded Region Growing, Proceeding of IEEE International Symposium on Biomedical Imaging 2007

13.  Vijay Parthasarathy, Xiaofeng Liu, Jerry L. Prince, and Maureen Stone, Three Dimensional Tracking of Tongue Motion Using Harmonic Phase (HARP) Processing of Tagged cine-MR Images, Proceeding of International Symposium on Biomechanics, Healthcare and Information Science, 2007 (Co-first author)

14.  Xiaofeng Liu, Maureen stone, and Jerry L. Prince, Tracking Tongue Motion in Three Dimensions Using Tagged MR Images, Proceeding of IEEE International Symposium on Biomedical Imaging (ISBI), pp. 1372-1375 2006.

15.  Robert Armiger, Mehran Armand, Jyri Lepisto, Xiaofeng Liu, Kaj Tallroth, Russell Taylor, Three-Dimensional Biomechanical Analysis of Acetabular Osteotomy for Preoperative Planning, 5th Annual Meeting of the International Society for Computer Assisted Orthopaedic Surgery, 2005

16.  Mehran Armand, Robert Armiger, G. Chintalapani, Xiaofeng Liu, R. Szczepanowski, S. Feng, D. Minhas Russell Taylor, Jyri Lepist, Computer-assisted Hip Osteotomy Surgery with Near Real-Time Biomechanical Feedback, 5 Annual Meeting of the International Society for Computer Assisted Orthopaedic Surgery, 2005

17.  Mehran Armand, Jyri Lepisto, Andrew Merkle, Kaj Tallroth, Xiaofeng Liu, Russell Taylor, James Wenz, Computer-Aided Orthopedic Surgery with Near-Real-Time Biomechanical Feedback, Johns Hopkins APL Technical Digest 2004

18.  Xiaofeng Liu, Hakan Cevikalp, J. Michael Fitzpatrick, Marker Orientation in Fiducial Registration, SPIE Medical Imaging 2003.

19.  Xiaofeng Liu, Hanqing Lu, An Algorithm of Segmentation for Virtual Endoscopy. Proc. SPIE Int. Soc. Opt. Eng. 4553, pp 24-27, 2001.

20.  Xiaofeng Liu, Xiaogang Chang Hanqing Lu, Construction of a Virtual Bronchus Endoscopy System, Proc. SPIE Int. Soc. Opt. Eng. 4553, pp. 138-142,  2001.