Published Papers

  • Ge Jin, Sang-Joon Lee, James K. Hahn, Steven Bielamowicz, Rajat Mittal, Raymond Walsh, “Active illumination based 3D surface reconstruction and registration for image guided medialization laryngoplasty,” SPIE Medical Imaging 2007. San Diago , CA Feb. 18-22, 2007.
  • Young Kyu Choi and James Hahn, “Shrink-Wrapped Isosurface from Cross Sectional Images,” Institute of Electronics, Information and Communication Engineers, Transactions on Information & Systems, Vol. E90-D No. 12, December 2007.
  • Geralyn Schultz, Adrienne Hancock, Mich ael Wakid, James Hahn, “Translation Of 3-D EMA To Visual Display Of Lingual Movements,” American Speech Language Hearing Association, Miami Beach , November 16-18, 2006.
  • Ge Jin, Sang-Joon Lee, James K. Hahn, Steven Bielamowicz, Rajat Mittal, and Raymond Walsh: "3D Surface Reconstruction and Registration for Image Guided Medialization Laryngoplasty", 2nd Intertantional Symposium on Visual Computing, Lake Tahoe, Nov. 2006. (Acrobat PDF 607KB)
  • Ge Jin and James Hahn, “High Resolution Video from Series of Still Photographs,” 2nd International Symposium on Visual Computing (ISVC ’06), Special Tracks on Biomedical Image Analysis, November 6-8, 2006, Lake Tahoe , USA .
  • H. Luo, X. Zheng, R. Mittal, H. Dong, S. Bielamowicz, R. Walsh, and J. Hahn, “Numerical Analysis of Glottal Dynamics Using an Immersed-Boundary Method. Abstract,” The 30th Annual Meeting of the American Society of Biomechanics. Sept 6-9, 2006, Blacksburg, VA, USA. (Acrobat PDF 1.31MB)
  • R. Mittal, H. Luo, X. Zheng, H. Dong, S. Bielamowicz, R. Walsh, and J. Hahn, “Development of a High-fidelity Biophysical Model of Vocal Fold Vibration and Glottal Aerodynamics,” The 5th International Conference on Voice Physiology and Biomechanics. July 12-14, 2006, Tokyo, Japan.
  • X. Zheng, H. Luo, R. Mittal, H. Dong, S. Bielamowicz, R. Walsh, and J. Hahn, “Toward a High Fidelity Biophysical Model of Vocal Fold Vibration and Glottal Aerodynamics. Poster presentation in 2006 Summer Bioengineering Conference,” June 21-25, 2006, Amelia Island, Florida, USA.
  • Geralyn Shultz and James Hahn, “Translation of 3-D articulatory signals acquired by electromagnetic articulography to a visual display of lingual movements for biofeedback: Preliminary results,” Conference on Motor Speech, March 23-26, 2006, Austin , Texas.
  • J. S. Ha, K. H. Yoo, James Hahn, “Characterization of polyhedron monotonicity,” Computer-Aided Design, 38 (2006) 48-54.
  • Ge Jin and James K. Hahn: "Adding Hand Motion to the Motion Capture Based Character Animation", ISVC 2005 Springer LNCS Vol. 3804, (2005) 17-24. (Acrobat PDF 3.4MB)
  • J.S. Haa, K.H. Yoob and James K. Hahn, “Characterization of polyhedron monotonicity”, Computer-Aided Design, 2005. (Acrobat PDF 164KB)
  • “Biomedical Computing,” Health Sciences Research Day, GWU, poster session, April 22, 2005.
  • Ge Jin, Dong Ho Kim, D.S. Fraedrich, “Infrared ship signature prediction using measured BRDF data in global illumination rendering method,” SPIE 2004.
  • Dongho Kim and James K. Hahn, “Hardware-Assisted Rendering of Cylindrical Panorama”, ACM Journal of Graphics Tools, 2003. (Acrobat PDF 887KB)
  • Alfred M.Powell, Steven Hoffert, Geoffrey Greene, John Miranda, Robert Kennedy, Phillip A. Zuzolo, Abayomi Sylvester, James Hahn, and Sang-Joon Lee, "INSPECT: A New Tool for Emergency and Consequence Management", American Meteorological Society(AMS) Conference 83rd Annual Conference, 8-14, Feb 2003, Long Beach, CA. (Acrobat PDF 2MB)
  • “Surgical Simulators,” US- Morocco Joint Workshop on Information Technology, March 17-19, 2003, Rabat , Morocco .
  • Alfred M.Powell, Steven Hoffert, Geoffrey Greene, John Miranda, Robert Kennedy, Phillip A. Zuzolo, Abayomi Sylvester, and Sangjune Lee, “INSPECT, A New Tool for Emergency and Consequence Management;” American Meteorological Society Conference, Symposium on the F-Scale and Severe Weather Damage Assessment, 8-14 Feb 2003.
  • James K. Hahn, Sang-Joon Lee, Alfred M. Powell Jr, and Geoffrey Greene, "INSPECT: A Dynamic Visual Query System for Geospatial Information Exploration," Conference on Visualization and Data Analysis, SPIE ?2, January 20-24, 2003. (Acrobat PDF 677KB)
  • Nadia Al-Ghreimil and James K. Hahn, "Combined Partial Motion Clips", WSCG SHORT PAPERS proceedings, The 11th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision'2003, WSCG’2003, February 3-7, 2003, Plzen, Czech Republic. (Acrobat PDF 624KB)
  • Jae M. Lee, Jeong H. Ku, Dong P. Jang, Dong H. Kim, Yougn H. Choi, In Y. Kim, and Sun I. Kim, "Virtual Reality System for Treatment of the Fear of Public Speaking Using Image-Based Rendering and Moving Pictures", CYBERPSYCHOLOGY & BEHAVIOR Volume 5, Number 3, 2002 (Acrobat PDF 668K)
  • Dongho Kim, James K. Hahn, "Projective Texture Mapping with Full Panorama," Computer Graphics Forum, Volume 21, Number 3, pp. 421-430, September 2002.(Also Published in the Eurographics 2002 Proceedings). (Acrobat PDF 7.0MB)
  • Raymond J. Walsh, Michael Manyak, Roger Kaufman, Murray Loew, and Jean Johnson, “The Laboratory for Advanced Computer Applications in Medicine,” Abstract to Experimental Biology Annual Meeting April 22-26, 2002 , New Orleans , LA.
  • James K. Hahn, Michael J. Manyak, Ge Jin, Dongho Kim, John Rewcastle, Sunil Kim, Raymond J. Walsh, "Cryotherapy Simulator for Localized Prostate Cancer," MMVR 2002. (Acrobat PDF 0.4MB)
  • M. Manyak, K. Santangelo, J. Hahn, R. Kaufman, T. Carleton, X. Hua, R. Walsh, “Virtual Reality Surgical Simulation for Lower Urinary Tract Endoscopy and Procedures,” J. Endourology, 16:185-190, 2002.
  • Michael Manyak, Ge Jin, Dongho Kim, John Rewcasle, Sunil Kim, and Raymond Walsh, “Development of a Cryotherapy Simulator for Prostate Cancer,” Society of Urology and Engineering section of AUA, Orlando, Florida, May 25-30, 2001.
  • Dongho Kim and James K. Hahn, “Light Field Rendering with Triangular Viewpoint Mesh”, Conference Abstracts and Applications, ACM SIGGRAPH 2001, Los Angeles, August 12-17, 2001. (Acrobat PDF 82.2KB)
  • Dongkyoo Lee, Hee-Jung Bae, Chang Tae Kim, Dong-Chun Lee, Dae-Hyun Jung, Nam Kyung Lee, Kyoo-Ho Lee, Nakhoon Baek, J. Won Lee, James Hahn, and Kwan Woo Ryu, “Reproducing Works of Calder,” Journal of Visualization and Computer Animation, Volume 12, Issue 2, May, 2001.
  • J. Won Lee, Nakhoon Baek, Dongho Kim, and James K. Hahn,"A Procedural Approach to Solving Constraints of Articulated Bodies," Eurographics 2000 Short Presentations Programme, Interlaken, Switzerland,August 20-25, 2000.
    (Acrobat PDF 6.5MB)
  • Jin Ge, Jaebum Lee, Yeong Gil Shin, James Hahn, "Cryotherapy for Localized Prostate Cancer", HCI2000. (Acrobat PDF 8.5MB)
  • D.K. Lee, H.J. Bae, C.T. Kim, D.C. Lee, D.H. J, N.K. Lee, N.H. Baek, J.W.Lee, K.W. Ryu, and J.K. Hahn. "Reproducing works of calder", The Journal. of Visualization and Computer Animation, (submitted on Dec 13 1999) (Acrobat PDF 790KB)
  • Kwang-Man Oh, Myeong Lim, Ee-Taek Lee, Jeong-Dan Choi, Chan-su Lee, Chan-Jong Park, James Hahn, "A Segmentation and Abstraction of Blood Vessels from Volume Data for Surgical Simulation," International Conference on Artificial Reality and Telexitence (ICAT), Tokyo, Japan, pp. 92-97, Dec. 1999.
  • Gerrit Voss, James K. Hahn, Wolfgang Muller, and Robert W. Lindeman, "Virtual Cutting of Anatomical Structures," Medicine Meets Virtual Reality (MMVR '99), San Francisco, CA, January 20-23, 1999, IOS Press. (Acrobat PDF 141KB)
  • James K. Hahn, Thurston Carleton, Adam B. Winick, Nadia Al-Ghreimil, and Raymond J. Walsh, "Interventional Radiology Training Environment," (Presentation) Medicine Meets Virtual Reality (MMVR '99), San Francisco, CA, January 20-23, 1999.
  • Robert W. Lindeman, John L. Sibert, and James K. Hahn, "Towards Usable VR: An Empirical Study of User Interfaces for Immersive Virtual Environments," to appear in Proceedings of ACM CHI '99, 1999. (PostScript 1.3MB) (Acrobat PDF 198K)
  • Robert W. Lindeman, John L. Sibert, and James K. Hahn, "Hand-Held Windows: Towards Effective 2D Interaction in Immersive Virtual Environments," to appear in Proceedings of IEEE Virtual Reality '99, 1999. (PostScript 827K) (Acrobat PDF 216K)
  • Shih-kai Chung, and James K. Hahn, "Animation of Human Walking in Virtual Environments," to appear in Proceedings of Computer Animation '99, 1999. (Acrobat PDF 132K)
  • Hesham Fouad, Bhagirath Narahari, and James K. Hahn, "A Real-Time Parallel Scheduler for the Imprecise Computations Model," PDCP, Special Issue on Parallel and Distributed Real-Time Systems, Vol. 2, No. 1, 1999.(PostScript)
  • Juli Yamashita, Robert W. Lindeman, Yukio Fukui, Osamu Morikawa, Cai Yi, "Plane-Shape Perception Using Point-Contact Type Force Feedback Device," (Technical Sketch), Conference Abstracts and Applications, ACM SIGGRAPH '98, 1998. (PostScript 118K) (Acrobat PDF 23K)
  • James K. Hahn, Roger Kaufman, Adam B. Winick, Youngser Park, Rob Lindeman, Kwang-Man Oh, Raymond J. Walsh, Nadia Al-Ghreimil, Thurston Carleton, Murray Loew, and Siddarth Sanka, "Training Environment for Inferior Vena Caval Filter Placement," MMVR, Medicine Meets VR: 6, San Diego, CA, January 28-21, 1998.
  • James Hahn, Hesham Fouad, Larry Gritz, and Jong Won Lee, “Integrating Sound and Motions in Virtual Environments,” Presence: Journal of Teleoperations and Virtual Environments, Vol. 7, No. 1, Feb. 1998.
  • Favre, J. and Lohner R. "Ray-Tracing with a Space-filling Finite Element Mesh", in The International Journal for Numerical Methods in Engineering, Vol. 57, No. 20, 1994.
  • Favre J. and Hahn, James. "An Object Oriented Design for the Visualization of Multi-Variable Data Objects" , presented at the Fifth IEEE Visualization conference, Washington, DC, October 1994.
  • Ignatius E., Senay H. and Favre J. "An Intelligent System for Visualization Assistance", Journal of Visual Languages and Computing (December 94).
  • Lee, S.Y., K.Y. Chwa, Hahn, James, and S.Y. Shin. "Image Morphing Using Deformable Surfaces", in the proceedings of Computer Animation '94, Geneva, Switzerland, May 25-27, 1994. Published by IEEE Computer Society Press, pp. 31-39
  • Takala, T. and Hahn, James, "Sound Rendering" Computer graphics, Proceedings SIGGRAPH '92, Association for Computing Machinery (ACM), Vol. 26, No. 2 (July 1992), pp. 211- 220.
  • “The Use of Simulation Techniques for Motion Control in Computer Graphics,” Ph.D. Dis­sertation, Department of Computer and Information Science, The Ohio State University , Columbus , 1989.
  • Hahn, James. "Realistic Animation of Rigid Bodies"Computer graphics, Proceedings SIGGRAPH '88, Association for Computing Machinery (ACM), Vol. 22, No. 4 (August 1988), pp. 299-308