RESEARCH EXPERTISE

Image segmentation, rigid and non-rigid registration, deformable models, image analysis, computer vision, variational and PDE methods, medical imaging, and image-guided surgery

EDUCATION

Ph.D. in Electrical and Computer Engineering, January 1999,

The Johns Hopkins University, Baltimore, MD.

Dissertation title: Deformable Models with Application to Human Cerebral Cortex

Reconstruction from Magnetic Resonance Images

Ph.D. advisor: Professor Jerry L. Prince.

Master of Science and Engineering in Electrical and Computer Engineering, May 1995,

The Johns Hopkins University, Baltimore, MD.

Course work emphasized mathematical analysis, differential geometry, image processing, computer vision, and medical imaging.

Bachelor of Science in Computer Science and Engineering, June 1993,

University of Science and Technology of China, Hefei, Anhui, China.

EXPERIENCE

Program Manager (November 2006 – present),

Interventional Imaging Program, responsible for managing and growing the innovation portfolio, project acquisition, development, management, and delivery, mutimodality image fusion R&D activities, leading and managing a number of image-guided intervention clinical prototype and product development.

Imaging and Visualization Department, Siemens Corporate Research, Inc., Princeton, NJ

Project Manager (October 2004 – October 2006),

Interventional Imaging Program, responsible for project acquisition, development, management, and delivery and image registration and segmentation research activities, authored numerous product documentations.

Imaging and Visualization Department, Siemens Corporate Research, Inc., Princeton, NJ

Member Technical Staff (September 2000 – September 2004),

Technical Lead in Interventional Imaging Program, responsible for image registration and segmentation research activities

Imaging and Visualization Department, Siemens Corporate Research, Inc., Princeton, NJ

Associate Research Scientist (March 2000 – September 2000),

NSF’s Center for Computer Integrated Surgical Systems and Technology,

The Johns Hopkins University, Baltimore, MD.

Postdoctoral fellow (March 1999 – February 2000),

Center for Imaging Science, The Johns Hopkins University, Baltimore, MD.

Research assistant (June 1995 – January 1999),

Image Analysis and Communications Laboratory,

The Johns Hopkins University, Baltimore, MD.

Course Instructor (January 1996 - May 1996)

Part-Time Programs in Engineering and Applied Sciences,

The Johns Hopkins University, Baltimore, MD.

Teaching Assistant (September 1993 – December 1994, and Fall 1997)

Department of Electrical and Computer Engineering, The Johns Hopkins University

Research Assistant (June 1991 – June 1993)

Parallel Computing Laboratory, Department of Computer Science and Engineering,

University of Science and Technology of China, Hefei, Anhui, China.

PROFESSIONAL ACTIVITIES

Conference program and technical committee

· 2^nd International Workshop on Biomedical Image Registration (WBIR’2003), Program Committee Member, Philadelphia, USA, July, 2003.

· IEEE International Conference in Image Processing (ICIP) 2004, Technical Program Committee Member, Singapore, October, 2004.

· IEEE International Conference in Image Processing (ICIP) 2005, Technical Program Committee Member, Genova, Italy, September, 2005.

· IEEE International Conference in Image Processing (ICIP) 2006, Technical Program Committee Member, Atlanta, USA, October, 2006.

· IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR) 2006, Technical Program Committee Member, New York City, USA, June 2006.

· 2^nd International Workshop on Medical Imaging and Augmented Reality (MIAR 2006), Program Committee Member, Shanghai, China, August 2006.

Journal Reviewer

· Computer Vision and Image Understanding

· IEEE Transactions on Biomedical Engineering

· IEEE Transactions on Image Processing

· IEEE Transactions on Medical Imaging

· IEEE Transactions on Pattern Analysis and Machine Intelligence

· IEE Proceedings of Vision, Image and Signal Processing

· Image and Vision Computing Journal

· Journal of Electronic Imaging

· Journal of Mathematical Imaging and Vision

· Medical Image Analysis

· Signal Processing: an International Journal

Societies and affiliations

· 1994 - present, Institute of Electrical and Electronic Engineers (IEEE)
(Student Member’94, Member’99, Senior Member’06)

· 1994 - present, IEEE Signal Processing Society

· 1999 - present, IEEE Computer Society

· 1995 - 1997, Treasurer, Chinese Students and Scholar Association at Johns Hopkins University

· 1994 - 1995, Vice president, Chinese Students and Scholar Association at Johns Hopkins University

· 1992 - 1993, Society of Industrial and Applied Mathematics (SIAM)

Invited talks

· “Automated Human Cerebral Cortex Mapping System from MR Images”, July 2006,
National Laboratory of Pattern Recognition, Institute of Automation, The Chinese Academy of Sciences, China,
Host: Prof. Tianzi Jiang

· “Medical Image Segmentation Using Deformable Models”, June 2006,
Department of Mathematics, Eastern Normal University, Shanghai, China,
Host: Prof. Changfeng Gui & Prof. Chunli Shen

· “Medical Image Segmentation Using Deformable Models”, March 2006,
Department of Statistics, Florida State University, Tallahassee, Florida, USA,
Host: Prof. Anuj Srivastava

· “Medical Image Segmentation Using Deformable Models”, Conference on Partial Differential Equations and Applications, sponsored by NSF and University of Florida, November 2005,
Department of Mathematics, University of Florida, Gainesville, Florida, USA,
Host: Prof. Yunmei Chen

· “Medical Image Segmentation Using Deformable Models”, July 2005,
Department of Computer Science, University of Erlangen, Germany,
Host: Prof. Dr.-Ing. Joachim Hornegger

· “Medical Image Segmentation Using Deformable Models”, March, 2005,
Joint invitation: Department of Electrical and Computer Engineering, and Department of Mathematics, University of Connecticut, Storrs, CT, USA,
Hosts: Prof. Martin Fox, Prof. Shengli Zhou, and Prof. Changfeng Gui

· “Medical Image Segmentation Using Deformable Models”, March 2005,
joint invitation from both Institute of Mathematics and its Applications and the Minnesota Center for Industrial Mathematics, University of Minnesota, Minneapolis, MN, USA,
Host: Prof. Fadil Santosa.

· “Medical Image Segmentation Using Deformable Models”, April 2004,
2004 CSMU International Medical Imaging - MRI Conference, Chung-Shan Medical University, Taichun, Taiwan,
Hosts: Prof. Chih-Yu Hsu and Prof. Jiann-Wien Hsu.

· “On Parametric and Geometric Deformable Models and Their Applications in Human Brain Cortex Segmentation from MR Images”, November 2001,
GRASP laboratory, University of Pennsylvanian, Philadelphia, PA, USA
Host: Prof. James Gee.

· "Medical Image Segmentation Using Deformable Models", July 2000,
Siemens Corporate Research, Inc., Princeton, NJ, USA,
Hosts: Dr. Alok Gupta, Dr. Ali Bane-Hashemi, and Dr. Arun Krishnan.

· "On Three-Dimensional Volumetric Registration", July 1999,
Center for Imaging Science, The Johns Hopkins University, Baltimore, MD, USA,
Host: Prof. Michael Miller.

· "Brain Cortical Surface Reconstruction from Magnetic Resonance Images", May 1999,
Center for Computer-Integrated Surgical Systems and Technology, The Johns Hopkins University, Baltimore, MD, USA,
Host: Prof. Russell Taylor.

· "On Cortical Surface Reconstruction", September 1998,
NeuroImaging Lab, Department of Radiology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA,
Hosts: Prof. Nick Bryan and Prof. Christos Davatzikos.

PUBLICATIONS

Journal articles

1. C. Xu and J. L. Prince, "Snakes, Shapes, and Gradient Vector Flow", IEEE Transactions on Image Processing, 359-369, March, 1998. Received over 202 SCI citations and is ranked as #7 among 1238 SCI papers cited the original active contour paper “Snake: Active Contours” by Kass, Witkin, and Terzopolous in 1987.

2. D. L. Pham, J.L. Prince, A.P. Dagher, and C. Xu, "An Automated Technique for Statistical Characterization of Brain Tissues in Magnetic Resonance Imaging", International Journal of Pattern Recognition and Artificial Intelligence, 11(8): 1189-1211, 1997.

3. C. Xu and J. L. Prince "Generalized Gradient Vector Flow External Forces for Active Contours", Signal Processing --- An International Journal, 71(2): 131-139, December 1998.

4. C. Xu, D. L. Pham, M. E. Rettmann, D. N. Yu, and J. L. Prince, "Reconstruction of the Human Cerebral Cortex from Magnetic Resonance Images", IEEE Transactions on Medical Imaging, 18(6): 467-480, June, 1999.

5. M. E. Rettmann, X. Han, C. Xu, and J. L. Prince, “Automated Sulcal Segmentation Using Watersheds on the Cortical Surface,” NeuroImage, 15(2):329-344, Feburary 2002. Featured in this issue’s cover page.

6. X. Han, C. Xu, U. Braga-Neto, and J. L. Prince, "Topology Correction in Brain Cortex Segmentation Using a Multiscale, Graph-based Algorithm," IEEE Transactions on Medical Imaging, Vol. 21, No. 2, pp. 109-121, February, 2002.

7. X. Han, C. Xu, and J. L. Prince, "A Topology Preserving Level Set Method for Geometric Deformable Models," IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 25, No. 6, pp. 755-768, June 2003.

8. X. Han, D. Pham, D. Tosun, M. E. Rettmann, C. Xu, and J. L. Prince, “CRUISE: Cortical Reconstruction Using Implicit Surface Evolution,” NeuroImage, Vol. 23, No. 3, pp. 997-1012, November 2004.

9. D. Tosun, M. E. Rettmann, X. Han, X. Tao, C. Xu, S. M. Resnik, D. Pham, and J. L. Prince, “Cortical Surface Segmentation and Mapping,” NeuroImage, Vol. 23, No. 1, pp. S108-S118, 2004.

Invited survey articles and book chapters

11. D. L. Pham, C. Xu, and J. L. Prince, "Current Methods in Medical Image Segmentation", Annual Review of Biomedical Engineering, vol. 2, Dec. 1999.

12. C. Xu and J. L. Prince, "Gradient Vector Flow Deformable Models", Handbook of Medical Imaging, edited by I. Bankman, Academic Press, 2000.

13. C. Xu, D. L. Pham, and J. L. Prince, "Medical Image Segmentation Using Deformable Models", 48 pages, SPIE Handbook on Medical Imaging -- Volume III: Medical Image Analysis, edited by J. M. Fitzpatrick and M. Sonka, SPIE Press, 2000.

14. X. Han, C. Xu, and J.L. Prince, "A Topology Preserving Geometric Deformable Model and Its Application in Brain Cortical Surface Reconstruction," Geometric Level Set Methods in Imaging, Vision and Graphics, S. Osher and N. Paragios (eds.), Springer Verlag, July, 2003.

Conference papers

15. C. Xu, D. L. Pham, J. L. Prince, "Finding the Brain Cortex using Fuzzy Segmentation, Isosurfaces, and Deformable Surface Models", the XVth International Conference on Information Processing in Medical Imaging (IPMI'97), pp 399-404, Springer-Verlag, 1997.

16. C. Xu and J. L. Prince, "A Generalized Gradient Vector Flow for Active Contour Models", 1997 Conf. Info. Sci. Syst., Johns Hopkins University, pp 885-890, 1997.

17. C. Xu and J. L. Prince, "Gradient Vector Flow: A New External Force for Snakes", IEEE Proc. Conf. on Comp. Vis. Patt. Recog. (CVPR), pp 66-71, June, 1997.

18. J. L. Prince and C. Xu, "A New External Force Model for Snakes", The Ninth Image and Multidimensional Digital Signal Processing (IMDSP) Workshop, pp 30-31, 1996.

19. J. L. Prince and C. Xu "Nonconservative Force Models in Active Geometry", Proc. of IEEE Image and Multidimensional Digital Signal Processing (IMDSP) Workshop, pp 139-142, 1998.

20. C. Xu, D. L. Pham, and J. L. Prince, "Reconstruction of the Human Cortical Surface from MR Images", 4th International conference on Functional Mapping of the Human Brain, June 7-12, 1998, Montreal, Quebec, Canada; NeuroImage 7(4):715, May 1998.

21. C. Xu, M. E. Etemad, D. N. Yu, D. L. Pham, and J. L. Prince, "A Spherical Map for Cortical Geometry", 4th International conference on Functional Mapping of the Human Brain, June 7-12, 1998, Montreal, Quebec, Canada; NeuroImage 7(4):734, May 1998.

22. C. Xu, D. L. Pham, and J. L. Prince, "Reconstruction of the Central Layer of the Human Cerebral Cortex from MR images", the First International Conference on Medical Image Computing and Computer Assisted Interventions (MICCAI'98), pp 482-488, Springer-Verlag, October 1998.

23. M. E. Etemad, C. Xu, D. L. Pham, and D. N. Yu, and J. L. Prince, "On Automated Segmentation of Buried Gyri", 5th International conference on Functional Mapping of the Human Brain, June 1999.

24. M. E. Rettmann, C. Xu, D. L. Pham, and J. L. Prince, "Automated Segmentation of Sulcal Regions", the Second International Conference on Medical Image Computing and Computer Assisted Interventions (MICCAI'99), 158-167, September 1999.

25. D. Yu, C. Xu, M. E. Rettmann, D. L. Pham, and J. L. Prince, “Quantitative Validation of a Deformable Cortical Surface Model,” in Proc. of SPIE Medical Imaging, 2000.

26. C. Xu and J. L. Prince, “Global Optimality of Gradient Vector Flow,” in Proc. of CISS '00 Conference on Information Sciences and Systems, March 2000.

27. X. Han, M. Rettmann, C. Xu, and J. L. Prince, “Morphology on Triangle Meshes Using Geodesic Distance,” in Proc. of CISS '00 Conference on Information Sciences and Systems, March 2000.

28. D. Yu, C. Xu, and J. L. Prince, “A New Interactive Surface Editing Tool for Generating Truth Models of the Human Cortical Surface,” in Proc. 6th International Conference on Functional Mapping of the Human Brain.

29. C. Xu, X. Han, and J. L. Prince, “Improving Cortical Surface Reconstruction Accuracy Using an Anatomically Consistent Gray Matter Representation,” in Proc. 6th International Conference on Functional Mapping of the Human Brain.

30. C. Xu, A. Yezzi, and J. L. Prince, “On the Relationship between Parametric and Geometric Active Contours”, in 34'th Annual Asilomar Conference on Signals, Systems, and Computers, pp. 483-489, November 2000.

31. M. E. Rettmann, X. Han, C. Xu, and J. L. Prince, "Watersheds on the Cortical Surface for Automated Sulcal Segmentation," 4^th IEEE Workshop on Mathematical Methods in Biomedical Image Analysis (MMBIA2001), pp. 20-27, June 2001.

32. D. Tosun, M. E. Rettmann, X. Tao, X. Han, C. Xu, and J. L. Prince, "Calculation of Human Cerebral Cortical Thickness on Opposing Sulcal Banks" 7th International Conference on Functional Mapping of the Human Brain (HBM), June 2001.

33. C. Xu, A. Yezzi, Jr., and J. L. Prince, "A Summary of Geometric Level-Set Analogues for a General Class of Parametric Active Contour and Surface Models", in Proc. of 2001 IEEE Workshop on Variational and Level Set Methods in Computer Vision (VLSM 2001), pp. 104-111, July 2001.

34. X. Han, C. Xu, U. Braga-Neto, and J. L. Prince, "Topology Correction for Brain Cortex Segmentation," the XVIIth International Conference on Information Processing in Medical Imaging (IPMI'01), pp 395-401, Springer-Verlag, 2001.

35. X. Han, C. Xu, M. E. Rettmann, and J. L. Prince, "Automated Segmentation Editing for Cortical Surface Reconstruction," Proc. of SPIE Medical Imaging, Feb. 2001.

36. X. Han, C. Xu, and J. L. Prince, "A Topology Preserving Deformable Model Using Level Sets", IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR’2001), Kauai, Hawii, Dec. 2001, Vol II, pp. 765-770.

37. X. Han, C. Xu, D. Tosun, and J.L. Prince, "Cortical Surface Reconstruction Using a Topology Preserving Geometric Deformable Model," 5^th IEEE Workshop on Mathematical Methods in Biomedical Image Analysis (MMBIA’2001), Kauai, Hawaii, Dec. 2001, pp. 213-220.

38. D. L. Pham, X. Han, M. E. Rettmann, C. Xu, D. Tosun, S. Resnick, and J. L. Prince, "New Approaches for Measuring Changes in the Cortical Surface Using an Automatic Reconstruction Algorithm," SPIE Medical Imaging 2002 Conf., San Diego, CA, Feb. 2002

39. C. Xu, X. Huang, A. Krishnan, and S. Samant, “An Automated Image-based Method for Multi-Leaf Collimator Positioning Verification in Intensity Modulated Radiation Therapy,” International Conference on Diagnostic Imaging and Analysis, August 2002

40. X. Han, C. Xu, and J. L. Prince, "A 2D Moving Grid Geometric Deformable Model", IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR’2003) , June, 2003, pp. I: 153-160.

41. X. Huang, Y. Sun, D. Metaxas, F. Sauer, and C. Xu, “Hybrid Image Registration based on Configural Matching of Scale-Invariant Salient Region Features,” in 2^nd IEEE Workshop on Image and Video Registration, IVR’04, in conjunction with CVPR’04, Washington D.C., July 2004.

42. Y. Sun, F. S. Azar, C. Xu, G. Hayam, A. Preiss, N. Rahn, and F. Sauer, "Registration of High-Resolution 3D Atrial Images with Electroanatomical Cardiac Mapping: Evaluation of Registration Methodology," in Proc. SPIE Vol. 5744, pp. 299-307, SPIE Medical Imaging 2005, San Diego, February 2005.

43. C. Li, C. Xu, C. Gui, and M. D. Fox, “Level Set Evolution without Re-Initialization: A New Variational Formulation,” IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR’2005), Vol I, pp. 430-436, San Diego, June, 2005.

44. C. Guetter, C. Xu, F. Sauer, and J. Hornegger, “Learning Based Non-Rigid Multi-Modal Image Registration Using Kullback-Leibler Divergence,” the Eighth International Conference on Medical Image Computing and Computer Assisted Interventions (MICCAI'05), pp. 255-262, September 2005.

45. H. Lombaert, Y Sun, L Grady, and C. Xu, “A Multilevel Banded Graph Cuts Method for Fast Image Segmentation,” IEEE Proc. International Conference on Computer Vision (ICCV), pp. 259-265, October 2005.

46. M. Rousson, Y. Bai, C. Xu, and F. Sauer, “Probabilistic Minimal Path for Automated Esophagus Segmentation,” Proc. SPIE Medical Imaging, pp. 614449-61444H, 2006.

47. H. Sundar, A. Khamene, C. Xu, F. Saber, and C. Davatzikos, “A Novel 2D-3D Registration Algorithm for Aligning Fluoro Images with 3D pre-op CT/MR images,” Proc. SPIE Medical Imaging, pp. 61412K-61412Q, 2006.

48. D. A. Hahn, G. Wolz, Y. Sun, J. Hornegger, F. Sauer, T. Kuwert, and C. Xu, “A Practical Salient Region Feature based 3D Multi-Modality Registration Method for Medical Images,” Proc. SPIE Medical Imaging, pp. 61442P-61442Z, 2006.

49. D. A. Hahn, G. Wolz, Y. Sun, J. Hornegger, F. Sauer, T. Kuwert, and C. Xu, “Utilizing Salient Region Features for 3D Multi-Modality Medical Image Registration,” Bildverarbeitung Für die Medizin (BVM’2006), Hamburg, Germany, Mar, 2006. (Best Poster 3^rd Prize)

50. A. Azar, C. Xu, X. Pennec, and N. Ayache, “An Interactive Intensity- and Feature-based Non-rigid Registration Framework for 3D Medical Images,” Proc. ISBI, Washington D.C., 2006.

51. D. Cremers, C. Guetter, and C. Xu, “Nonparametric Priors on the Space of Joint Intensity Distributions for Non-Rigid Multi-Modal Image Registration,” Proc. CVPR, New York, 2006.

52. J. Yang, J. P. Williams, Y. Sun, R. S. Blum, and C. Xu, “Non-rigid Registration Using Geometric Features and Local Salient Region Features,” Proc. CVPR, New York, 2006.

53. M. Rousson and C. Xu, “A General Framework for Image Segmentation Using Ordered Spatial Dependency,” Proc. MICCAI, 2006.

54. R. Liao, C. Guetter, C. Xu, Y. Sun, A. Khamene, and F. Sauer, “Learning-Based 2D/3D Rigid Registration Using Jensen-Shannon Divergence for Image-Guided Surgery,” Proc. MIAR, 2006.

Dissertations

55. C. Xu, “Parallel Sorting Algorithm and Matrix Inversion Using Parallel Neural Networks”, B.S. thesis, Department of Computer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, P. R. China, May, 1993.

56. C. Xu, “Deformable Models with Application to Human Cerebral Cortex Reconstruction from Magnetic Resonance Images”, Ph.D. dissertation, Department of Electrical Computer Engineering, The Johns Hopkins University, Baltimore, MD, January, 1999.

Patent and provisional filing

- Patent Application: “A Novel Circuit Design for Three-way Clinical Intercom Circuits”, Wei Du and Chenyang Xu, Patent number: 88 2 16191.1, Patent date: 11/10/1988, PROC.

- Additional 26 patent applications, provisional filings have been made between 2001 and 2006 at Siemens Corprate Research.

PhD Dissertation Committee

1. Xiao Han, Johns Hopkins University, Baltimore, MD, USA, advisor: Prof. Jerry L. Prince, 2003.

2. Chunming Li, University of Connecticut, Storrs, CT, USA, advisor: Prof. Martin D. Fox, 2005.

PhD Students Supervised

1. Hari Sundar, University of Pennsylvania, Philadelphia, USA, with Prof. Christos Davatzikos and Prof. Dinggang Shen, since 2/2003.

2. Christoph Guetter, University of Erlangen, Erlangen, Germany, with Prof. Joachim Horneggar, since 8/2003.

Master (USA) or Diploma (Germany) Thesis Supervised

1. Stefan Saur, “An optimized algorithm for coronary sinus segmentation in MSCT datasets”, University of Karlsruhe, Germany, 10/2004 – 7/2005 (co-supervised with Yiyong Sun)

2. Dieter Hahn, “A practical salient region based hierarchical method for aligning 3D medical images”, University of Erlangen, Germany,11/2004 – 7/2005, (co-supervised with Yiyong Sun)

3. Florian Schmidt, “Catheter localization in coronary biplane X-ray imaging”, University of Erlangen, Germany, 3/2005 – 9/2005 (co-supervised with Yiyong Sun and Frank Sauer)

Intern Students Supervised

1. Dejan Tomazevic, University of Ljubljana, Slovenia, summer 1998 (exchange student)

2. Leon Kos, University of Ljubljana, Slovenia, 9/1999 – 10/1999 (exchange student)

3. Xiaolei (Sharon) Huang, Rutgers University, USA, 5/2001 – 9/2001 and 5/2003 – 9/2003, sent by Prof. Dimitris Metaxas

4. Ning Ling, Yale University, USA, 5/2002 – 9/2002, sent by Prof. James Duncan

5. Hari Sundar, Rutgers University, USA, 5/2002 – 9/2002

6. Michael Hoffman, Germany, 2002 (co-supervised with Jens Guehring)

7. Antoine Azar, École Polytechnique de Montréal, Canada, 1/2003 – 7/2003

8. Laurent Charlin, École Polytechnique de Montréal, Canada, 9/2003 – 1/2004

9. Simon Desroches, École Polytechnique de Montréal, Canada, 1/2004 – 7/2004 (co-supervised with Yiyong Sun)

10. Herve Lombaert, École Polytechnique de Montréal, Canada, 1/2004 – 9/2004 (co-supervised with Yiyong Sun)

11. Jan Hegner, University of Manheim, Germany, 3/2004 – 9/2004

12. Pascal Fallavollita, École Polytechnique de Montréal, Canada, 10/2004 – 12/ 2004

13. Dieter Hahn, University of Erlangen, Germany,11/2004 – 7/2005, sent by Prof. Joachim Hornegger

14. Stefan Saur, University of Karlsruhe, Germany, 10/2004 – 7/2005 (co-supervised with Yiyong Sun)

15. Giovanni Palma, Engineering school for Computer Science and Advanced Techniques (EPITA), France, 2/2005 – 8/2005 (co-supervised with Rui Liao)

16. Florian Schmidt, University of Erlangen, Germany, 3/2005 – 9/2005 (co-supervised with Yiyong Sun), sent by Prof. Joachim Hornegger

17. Ying Bai, Johns Hopkins University, USA, 5/2005 – 8/2005 (co-supervised with Mikael Rousson), sent by Prof. Jerry Prince

18. Jinzhong Yang, Lehigh University, USA, 5/2005 – 8/2005 (co-supervised with Jim Williams and Yiyong Sun), sent by Prof. Rick Blum

19. Mikael Balda, University of Erlangen, Germany, 11/2005 – 4/2005 (co-supervised with Yiyong Sun), sent by Prof. Joachim Hornegger

20. Andre Hegerath, RWTH Aachen University, Germany, 4/2005 – 10/2005 (co-supervised with Yiyong Sun and Kazunori Okada)