Publications

2023

  • “3D body shape for regional and appendicular body composition estimation,” Yijiang Zheng, James Hahn, SPIE 2023, San Diego, CA, February 19-23, 2023. [link]

2022

  • "S2FLNet: Hepatic steatosis detection network with body shape," Computers in Biology and Medicine, 140, 105088. Wang, Q., Xue, W., Zhang, X., Jin, F., & Hahn, J. (2022). [pdf]

  • “Liver Fat Assessment with Body Shape,” 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC 2022), Glasgow, UK, July 11-15, 2022, Yijiang Zheng, Qiyue Wang, James Hahn.  [pdf]

2021

  • “Improve Image Captioning by Estimating the Gazing Patterns from the Caption,” Winter Conference on Applications of Computer Vision (WACV) 2022, Rehab Alahmadi and James Hahn [pdf]

  • “Efficient Ray Casting Polygonized Isosurface of Binary Volumes,“ CGI 2021, also in Visual Computer, Wei Li, James Hahn, September 6, 2021. [pdf]

  • “Pixel-Wise Body Composition Prediction with a Multi-Task Conditional Generative Adversarial Network,” Journal of Biomedical Informatics, Volume 120, August 2021, 103866, Wang Qiyue, Wu Xue, XiaoKe Zhang, Fang Jin, James K Hahn. [pdf]

  • “An Auxiliary Tasks Based Framework for Automated Medical Skill Assessment with Limited Data,” Shang Zhao, Xiaoke Zhang, Fang Jin, James Hahn, EMBC 2021. [pdf]

  • Qiyue Wang., Yao Lu, Xiaoke Zhang and James Hahn (2021). “Region of interest selection for functional features.” Neurocomputing, 422, 235-244.  [pdf]

2020

  • "An Intelligent Augmented Reality Training Framework for Neonatal Endotracheal Intubation", Shang Zhao, Xiao Xiao, Qiyue Wang, Xiaoke Zhang, Wei Li, Lamia Soghier, James Hahn, 2020 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), ISMAR2020. [pdf]
  • "The Development of a BMI-Guided Shape Morphing Technique and the Effects of an Individualized Figure Rating Scale on Self-Perception of Body Size," Geoffrey Hudson, Yao Lu, Xiaoke Zhang, James Hahn, Johannah Zabal, Finza Latif, John Philbeck, Eur. J. Investig. Health Psychol. Educ. 2020, 10, 43; doi:10.3390/ejihpe10020043. [pdf]
  • "Automated Assessment System for Neonatal Endotracheal Intubation using Dilated Convolutional Neural Network," Shang Zhao, Xiao Xiao, Xiaoke Zhang, Wei Li, Yan Meng, Lamia Soghier, and James Hahn, International Engineering in Medicine and Biology Conference 2020, EMBC2020. [pdf]
  • "Automated Assessment of Neonatal Endotracheal Intubation Measured by a Virtual Reality Simulation System," Xiao Xiao, Shang Zhao, Xiaoke Zhang, Lamia Soghier, James K. Hahn, International Engineering in Medicine and Biology Conference 2020, EMBC2020. [pdf]
  • "A Physics-based Virtual Reality Simulation Framework for Neonatal Endotracheal Intubation," Xiao Xiao, Shang Zhao, Yan Meng, Lamia Soghier, Xiaoke Zhang, James K. Hahn, 2020 IEEE Conference on Virtual Reality and 3D User Interfaces (VR), at Atlanta, GA, USA. (Best Paper Award) [pdf]
  • "Automated Assessment System with Cross Reality for Neonatal Endotracheal Intubation Training," Shang Zhao, Wei Li, Xiaoke Zhang, Xiao Xiao, Yan Meng, John Philbeck, Naji Younes, Rehab Alahmadi, Lamia Soghier, James K. Hahn, 2020 IEEE Conference on Virtual Reality and 3D User Interfaces (VR), at Atlanta, GA, USA. (Honorable Mention) [pdf] 
  • "Robust Template-Based Non-Rigid Motion Tracking Using Local Coordinate Regularization," Wei Li, Shang Zhao, Xiao Xiao, James K. Hahn, 2020 IEEE Winter Conference on Applications of Computer Vision (WACV), at Snowmass village, CO, USA. [pdf]

2019

  • Qiyue Wang, Yao Lu, Xiaoke Zhang, James Hahn. "A Novel Hybrid Model for Visceral Adipose Tissue Prediction using Shape Descriptors", International Engineering in Medicine and Biology Conference 2019, EMBC2019 (Oral). [pdf]
  • Yao Lu, James K Hahn, and Xiaoke Zhang. "3D Shape-based Body Composition Inference Model Using A Bayesian Network." IEEE Journal of Biomedical and Health Informatics, 2019. [link]
  • "ReTouchImg: Fusioning From-Local-to-Global Context Detection and Graph Data Structures for Fully-Automatic Specular Reflection Removal for Endoscopic Images", Samar M. Alsaleh, Angelica I Aviles-Rivero, JamesK Hanh. Journal of Computerized Medical Imaging and Graphics, 2019. 
  • Yao Lu, and James K Hahn. "Shape-based three-dimensional body composition extrapolation using multimodality registration." Medical Imaging 2019: Image Processing. Vol. 10949. International Society for Optics and Photonics, 2019. [link]
  • "3D Reconstruction and Texture Optimization Using a Sparse Set of RGB-D Cameras," Wei Li, Xiao Xiao, James K. Hahn, 2019 IEEE Winter Conference on Applications of Computer Vision (WACV), at Waikoloa Village, HI, USA. [pdf]

2018

  • "Sliding to Predict: Improving Vision-Based Cardiac Motion Cancellation by Modeling Temporal Interactions", Angelica I Aviles-Rivero, Samar M. Alsaleh, James K. Hahn and A. Casals, International Journal of Computer Assisted Radiology and Surgery (IJCARS), 2018.
  • “Sequence-to-Sequence Image Caption Generator,” ICMV2018, The 11th International Conference on Machine Vision, Munich, Germany, Nov. 1-3, 2018, (Rehab Alahmadi, Chung Hyuk Park, James Hahn). [link]
  • “3D Shape-based Body Composition Prediction Model Using Machine Learning,” Yao Lu, Scott McQuade, James K. Hahn, the 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'18), at the Honolulu, HI, USA. [pdf]
  • “Evaluation of performance, acceptance and compliance of an auto-injector in healthy and rheumatoid arthritic subjects measured by a motion capture system,” Xiao Xiao, Wei Li, Corbin Clawson, David Karvani, Perceval Sondag, James K. Hahn, Patient Preference and Adherence, Volume 12, April 2018. [link]
  • “Accurate Non-rigid 3D Human Body Surface Reconstruction Using Commodity Depth Sensors,” Yao Lu, Shang Zhao, Naji Younes, James Hahn, in Computer Animation and Virtual Worlds, DOI: 10.1002/cav.1807. [pdf]

2017

  • “Escaping specularity: recovering specular-free video sequences from rank-constrained data,” SIGGRAPH 17 Poster, 2017 (Samar M. Alsaleh, Angelica I. Aviles, James Hahn). [pdf]
  • "Towards Retrieving Force Feedback in Robotic-Assisted Surgery: A Supervised Neuro-Recurrent-Vision Approach," IEEE Transactions on Haptics, Vol. 13, No. 9, September 2017. (AVILES RIVERO, ANGELICA; Alsaleh, Samar; Sobrevilla, Pilar; Hahn, James; Casals, Alicia) (DOI: 10.1109/TOH.2016.2640289, Print ISSN: 1939-1412, Online ISSN: 1939-1412). [pdf]
  • “2D+t Estimation of Light Reflection and Inpainting in Dynamic Objects,” SIGGRAPH 16 Poster (Samar M. Alsaleh and James Hahn).

2016

  • “Improved Digital Image Restoration Algorithm Based on Criminisi,” Journal of Digital Information Management, Volume 14, Number 5, October 2016, (DAI Lei, JIANG Dai-Hong, DING Bin, James K Hahn) [pdf]
  • “Adaptive Segmentation and Mask-Specific Sobolev Inpaiting of Specular Highlights for Endoscopic Images,” IEEE Engineering in Medicine and Biology Conference, Orlando, FL, August 17-20, 2016, (Samar M. Alsaleh, Angelica I. Aviles, Pilar Sobrevilla, Alicia Casals, and James Hahn) [pdf]
  • “Toward robust specularity detection and inpainting in cardiac images,” Proc. SPIE 9786, Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling, 97861Q (March 18, 2016); doi:10.1117/12.2216999 (Samar M. Alsaleh, Angelica I. Aviles, Pilar Sobrevilla, Alicia Casals, James Hahn) [link]

2015

  • "Towards Retrieving Force Feedback in Robotic-Assisted Surgery: A Supervised Neuro-Recurrent-Vision Approach," Transactions on Haptics, 2015 Submitted. (AVILES RIVERO, ANGELICA; Alsaleh, Samar; Sobrevilla, Pilar; Hahn, James; Casals, Alicia). [pdf]

  • "Automatic, Real Time, Unsupervised Spatio-temporal 3D Object Detection Using RGB-D Cameras," Computer Graphics, Imaging and Visualization CGIV Conference, Barcelona, Spain, 21-24 July 2015 (Manal H, Alassaf, Kamran Kowsari, James K. Hahn). Best Paper Award. [pdf]

  • "Automatic and Robust Single-Camera Specular Highlight Removal in Cardiac Images," 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Milano, Italy, 25-29 August, 2015 (Samar Alsaleh, Angelica Ivone Aviles, Pilar Sobrevilla, Alicia Casals, and James Hahn). [pdf]

  • “Automatic Parcellation of Longitudinal Cortical Surfaces,” Proc. SPIE 9413, Medical Imaging 2015: Image Processing, 94130Z (March 20, 2015); doi:10.1117/12.2081739; (SPIE Medical Imaging, Orlando, Florida, 21-26 February, 2015) (Manal Alassaf and James Hahn). [link]

2014

  • Radeva, N., Levy, L., Hahn, J. (2014). "Generalized Temporal Focus+Context Framework for Improved Medical Data Exploration". Journal of Digital Imaging. Springer-Verlag. doi:10.1007/s10278-013-9662-z [link]

  • Nadezhda Radeva and James Hahn. "Visualization of Tissue Removal Using Focus + Context Techniques." Stud Health Technol Inform. 2014; 196:325-331. Doi:10.3233/978-1-61499-375-9-325 [link]

  • Manal H. Alassaf, Yeny Yim and James K. Hahn (2014). "Non-rigid Surface Registration using Cover Tree based Clustering and Nearest Neighbor Search". In Proceedings of the 9th International Conference on Computer Vision Theory and Applications, pages 579-587. DOI: 10.5220/0004738405790587 [link] [pdf] [Conference Website]

  • Manal H. Alassaf, Wei Li., Arjun S. Joshi, and James K. Hahn. "Computer-Based Planning System for Mandibular Reconstruction." Medicine Meets Virtual Reality 21: NextMed/MMVR21 196 (2014): 6. [link]

  • "Interactive Focus+Context Medical Data Exploration And Editing," Computer Animaiton and Virtual Worlds CAVW, Volume 25, Issue 2, pages 129-141, March/April 2014 (Can Kirmizibayrak, Mike Wakid, Yeny Yim, and James Hahn). [link]

  • "Computer-based Quantitative Assessment of Learner Performance during Neonatal Endotracheal Intubation: A Pilot Study," 14th International Meeting on Simulation in Healthcare (IMSH 2014), January 25-29, 2014, San Francisco, CA (Lamia Soghier, Wei Li, James Hahn).
  • “Visualization of Tissue Removal using Focus + Context Techniques," MMVR21, February 19-22, 2014, Manhatan Beach, CA (Nadezhda Radeva and James Hahn). [link]

2013

  • “Board 541 - Technology Innovations Abstract Computer-Based Quantitative Assessment of Learner Performance during Neonatal Endotracheal Intubation,” Simulation in Healthcare: The Journal of the Society for Simulation in Healthcare: December 2013 - Volume 8 - Issue 6 - p 630, doi:10.1097/01.SIH.0000441739.94911.ab, Soghier, Lamia; Li, Wei; Burd, Randall; Hahn, James. [link]

 

2012

  • Can Kirmizibayrak, Yeny Yim, Mike Wakid, James Hahn. "Interactive Visualization and Analysis of Multimodal Datasets for Surgical Applications". Journal of Digital Imaging: Volume 25, Issue 6 (2012), Page 792-801, DOI 10.1007/s10278-012-9461-y [link]
  • “Evaluation Of Gesture Based Interfaces For Medical Volume Visualization Tasks,”  International Journal of Virtual Reality Vol 11 No 2 (1-11), 2012, (Can Kirmizibayrak, Nadezhda Radeva, Mike Wakid, John Philbeck, John Sibert and James Hahn). [pdf]

2011

  • Can Kirmizibayrak, Nadezhda Radeva, Mike Wakid, John Sibert, John Philbeck, James Hahn. "Evaluation of Gesture Based Interfaces for Medical Volume Visualization Tasks". In Proceedings of the 10th International Conference on Virtual Reality Continuum and Its Applications in Industry (VRCAI '11). ACM, New York, NY, USA, 69-74. [link]

  • Wakid, M.; Kirmizibayrak, C.; Hahn, J.K.; , "Texture mapping volumes using GPU-based polygon-assisted raycasting," Computer Games (CGAMES), 2011 16th International Conference on , vol., no., pp.162-166, 27-30 July 2011 doi: 10.1109/CGAMES.2011.6000333 [link]

  • Can Kirmizibayrak, Jean Honorio, Xiaolong Jiang, Russell Mark and James Hahn, "Digital Analysis and Visualization of Swimming Motion", The International Journal of Virtual Reality, 2011, 10(3):9-16 [pdf]

  • Can Kirmizibayrak, Mike Wakid, Steve Bielamowicz, James Hahn. "An Interactive Multimodal Visualization Method For Medical Data Exploration and Image Guided Surgeries", 2011 Annual Meeting of the Society for Imaging Informatics in Medicine (SIIM), June 2-5, 2011, Washington, DC. Honorable Mention Award. [abstract]

  • Yeny Yim, Xuanyi Chen, Mike Wakid, Steve Bielamowicz, James Hahn, "2D-3D Registration using Gradient-based MI for Image Guided Surgery Systems", Proceeding of SPIE Medical Imaging 2011, vol. 7964, February 2011 [link] [manuscript]

  • "Merging Camera Images and 3D Anatomical Data for Computer-Assisted Surgery," CG&A-2011-03-0030, IEEE Computer Graphics and Applications (Wakid, Mike; Kirmizibayrak, Can; Yim, Yeny; Hahn, James) Submitted.

  • "Evaluation Of Gesture Based Interfaces For Medical Volume Visualization Tasks," 10th ACM SIGGRAPH VRCAI 2011, (Can Kirmizibayrak, Nadezhda Radeva, Mike Wakid, John Philbeck, John Sibert and James Hahn), Dec. 11-12, 2011, Hong Kong, China. [pdf]

  • "Digital Analysis and Visualization of Swimming Motion," CASA 2011 (Can Kirmizibayrak, Jean Honorio, Russel Mark, Xiaolong Jiang, and James Hahn), May 26-28, 2011, Chengdu, China. [pdf]

2010

  • Yeny Yim, Mike Wakid, Can Kirmizibayrak, Steve Bielamowicz, James Hahn, "Registration of 3D CT Data to 2D Endoscopic Image using a Gradient Mutual Information based Viewpoint Matching for Image-Guided Medialization Laryngoplasty", Journal of Computing Science and Engineering, vol. 4, no. 4, 368-387, December 2010. [pdf]

  • Can Kirmizibayrak, Mike Wakid, Steve Bielamowicz and James Hahn, "Interactive Visualization for Image Guided Medialization Laryngoplasty", Computer Graphics International 2010, 8-11 June 2010, Singapore. [pdf]

  • "OpenGL ES 1.1 software implementation on mobile phones," IEICE Electronics Express, Vol. 7 (2010) , No. 12 pp.880-885. (Hwanyong Lee, Nakhoon Baek, and James Hahn) [pdf]

2009

  • Jae Woo Kim, Hesham Fouad, John L. Sibert, James Hahn, "Perceptually Motivated Automatic Dance Motion Generation for Music,"Comp. Anim. Virtual Worlds 2009; Vol. 20: pp. 375-384.[pdf]

  • Alfred von Loebbecke, Rajat Mittal, Russell Mark, James Hahn, "A Computational Method for Modeling and Analysis of Underwater Dolphin Kick Hydrodynamics in Human Swimming,"€ Sports Biomechanics Journal, March 5, 2009.[ pdf]

  • Ge Jin, Nakhoon Baek, James Hahn, Steven Bielamowicz, Rajat Mittal, Raymond Walsh, "Image Guided Medialization Laryngoplasty," Journal of Computer Animation and Virtual Worlds, Vol. 20, No. 1, January/February 2009.  [pdf]

  • Jae Woo Kim, Hesham Fouad, John L. Sibert, James Hahn, "Perceptually Motivated Automatic Dance Motion Generation for Music,"€ 22nd Annual Conference on Computer Animation and Social Agents, Het Trippenhuis, Amsterdam, the Netherlands, June 17-19, 2009. [link]

2008

  • Haoxiang Luo, Rajat Mittal, Xudong Zheng, Steven Bielamowicz, Raymond Walsh, and James Hahn, An immersed-boundary method for flow-structure interaction in biological systems with application to phonation Journal of Computational Physics, Volume 227, Issue 22 (November 2008), Pages 9303-9332. [link] [pdf]

2007

  • 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. [pdf]

  • 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. [pdf]

2006

  • Geralyn Schultz, Adrienne Hancock, Michael 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. [pdf]

  • 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 . [pdf]

  • 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.

  • 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 . [pdf]

  • J. S. Ha, K. H. Yoo, James Hahn, "Characterization of polyhedron monotonicity," Computer-Aided Design, 38 (2006) 48-54. [pdf]

  • "High-Resolution Video from Series of Still Photographs," Lecture Notes in Computer Science, Springer, Volume 4291/2006, pp 901-910, 2006 (Ge Jin and James Hahn) (NIHMS178114, PMC2862648) [pdf]

  • "3D Surface Reconstruction and Registration for Image Guided Medialization Laryngoplasty," Lecture Notes in Computer Science, Springer, Volume 4291/2006, pp 761-770, 2006 (Ge Jin, Sang-Joon Lee, James Hahn, Steven Bielamowicz, Rajat Mittal, and Raymond Walsh). (NIHMS178116, PMC2838396) [pdf]

2005

  • 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. [pdf]

  • J.S. Haa, K.H. Yoob and James K. Hahn, "Characterization of polyhedron monotonicity", Computer-Aided Design, 2005. [pdf]

  • "Biomedical Computing," Health Sciences Research Day, GWU, poster session, April 22, 2005.

  • "Adding Hand Motion to the Motion Capture Based Character Animation," Lecture Notes in Computer Science, Volume 3804, pp. 17-24, 2005 (Ge Jin and James Hahn). [pdf]

2004

  • Ge Jin, Dong Ho Kim, D.S. Fraedrich, "Infrared ship signature prediction using measured BRDF data in global illumination rendering method",SPIE 2004. [pdf]

  • "Timbre Trees: Integrating Sounds and Images," Audio Anecdotes, A K Peters LTD, Ken Greenbaum and Ronen Barzel editors, 2004.

2003

  • Dongho Kim and James K. Hahn, Hardware-Assisted Rendering of Cylindrical Panorama, ACM Journal of Graphics Tools, 2003. [pdf]

  • 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. [pdf]

  • "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. [link]

  • 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. [pdf]

  • 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. [pdf]

  • "Virtual reality surgical simulation for lower urinary tract endourologic surgery," Adv Exp Med Biol. 2003;539(Pt B):841-52, (Manyak MJ, Santangelo K, Hahn J, Kaufman R, Carleton T, Hua XC, Walsh RJ.). [link]

2002

  • 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 [pdf]

  • 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). [pdf]

  • 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. [pdf]

  • 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.[pdf] 

  • "Cryotherapy simulator for localized prostate cancer," Stud Health Technol Inform. 2002;85:173-8, (Hahn JK, Manyak MJ, Jin G, Kim D, Rewcastle J, Kim S, Walsh RJ.). (PMID: 15458081) [link]

  • "A Framework for Integrating Audio in Virtual Environments," Selected SPIE Papers on CD-ROM, Volume 12, Stereoscopic Displays and Applications, Editors: Andrew J. Woods, John O. Merritt, Stephen A. Benton, Scott S. Fisher, Mark T. Bolas (Hesham Fouad and James Hahn). 

  • "Projective Texture Mapping with Full Panorama," Eurographics 2002, September 2-6, 2002, Saarbrucken, Germany, (With Dongho Kim). [link]

2001

  • 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. [pdf]

  • 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.[pdf]

  • Jong-Seong Ha, and Eun-Hong Cheon, "An Implementation of an Edge-based Algorithm for Separating and Intersecting Spherical Polygons." Journal of KIISE: Computer Systems and Theory 28.9: 479-490, 2001. [pdf]

2000

  • 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. [pdf]

  • Jin Ge, Jaebum Lee, Yeong Gil Shin, James Hahn, "Cryotherapy for Localized Prostate Cancer", HCI2000. [pdf]

1999

  • 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) [ pdf]

  • 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. [pdf]

  • 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. [pdf]

  • 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. [ps] [pdf]

  • 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. [ps] [pdf]

  • Shih-kai Chung, and James K. Hahn, "Animation of Human Walking in Virtual Environments," to appear in Proceedings of Computer Animation '99, 1999. [pdf]

  • 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) [pdf]

1998

  • 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. [ps] [pdf]

  • 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. [pdf]

  • 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.[pdf]

1997

  • Fouad, Hesham , Ballas, James, and Hahn, James, "Perceptually Based Scheduling Algorithms for Real-Time Synthesis of Complex Sonic Environments," ICAD'97, International Conference on Auditory Display, Palo Alto, CA, November 2-5, 1997.[pdf]

  • Wiley, Doug and Hahn, James, "Interpolation Synthesis of Articulated Figure Motion," IEEE Computer Graphic and Applications, November/December 1997, Volume 17, No. 6, pp. 39-45.[pdf]

  • Bergen, Daria , Hahn, James , and Bock, Peter , "An Adaptive Approach for Reactive Actor Design", Proceedings of the Fourth European Conference on Artificial Life (ECAL97), MIT Press, 1997. [pdf]

  • Gritz, Larry and Hahn, James, "Genetic Programming Evolution of Controllers for 3-D Character Animation" Proceedings of the Genetic Programming '97 Conference, July 1997. [pdf]

  • Wiley, Doug and Hahn, James, "Interpolation Synthesis for Articulated Figure Motion," VRAIS'97, Albuquerque, NM, March 1-5, 1997. [pdf]

  • Gritz, Larry and Hahn, James, "BMRT: A global illumination implementation of the RenderMan standard", Journal of graphics Tools (1997). [pdf]

1996

  • Park, Youngser, Lindeman, Robert W., and Hahn, James K.. "X-Ray Casting: Fast Volume Visualization Using 2D Texture Mapping Techniques", presented at the Seventh IEEE Visualization conference, San Francisco, CA. October, 1996. [ps] [pdf]

  • Westenhofer, William and Hahn, James. "Using Kinematic Clones to Control the Dynamic Simulation of Articulated Figures", Invited Paper, Computer graphics International, June 24-26, 1996, Pohang, Korea. [pdf]

  • Lee, S.Y., K.Y. Chwa, Hahn, James , and S.Y. Shin. Image Morphing Using Deformation Techniques", Journal of Visualization and Computer Animation, Volume 7, Number 1, January-March, 1996. [pdf]

  • Fouad, Hesham and Hahn, James. "A Framework for Integrating Audio in Virtual Environments", IS&T/SPIE Symposium on Electronic Imaging: Science & Technology, San Jose, CA, January 28, 1996- February 2, 1996. [ps]

  • Larry Gritz and James Hahn, BMRT: A global illumination implementation of the RenderMan standard, Journal of Graphics Tools, Vol. 1, No. 3: 29 -48, 1996.[pdf]

1995

  • Mishra, Suneil and Hahn, James. "Mapping Motion to Sound and Music in Computer Animation and VE", Invited Paper, Pacific graphics, August 21-August 24, 1995, Seoul, Korea.[pdf]

  • Hahn, James, Hesham Fouad, L. Gritz, and J.W. Lee. "Integrating Sounds in Virtual Environments", Presence Journal. [ps]

  • Hahn, James, J.Geigel, J., Lee, J.W., Gritz, L., Takala, T., and Mishra, S. "An Integrated Approach to Sound and Motion", Journal of Visualization and Computer Animation, Volume 6, Issue No. 2, pp. 109-123. [pdf]

  • Gritz, L. and Hahn, James. "Genetic Programming for Articulated Figure Motion", Journal of Visualization and Computer Animation, vol. 6: 129-142 (1995). [pdf]

  • Wiley, Doug, "An Adaptive Level-of-Detail Technique for Real Time Display in Virtual Reality," in Tools and Techniques for Modeling and Simulation (24th Applied Imagery Pattern Recogition workshop), Oct. 11-13, Washington D.C., 1995 (SPIE, Bellingham, Wash.) [pdf]

1994

  • 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. [pdf]

  • 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. [pdf]

  • 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 [pdf]

1993

  • Hahn, James, L. Gritz, R. Darken, J. Geigel, and J.W. Lee."An Integrated Virtual Environment System", Presence, vol. 2, no. 4, Fall 1993, pp. 353-360. [pdf]

  • Takala, T., Hahn, James, L. Gritz, J. Geigel, J.W. Lee, "Using Physically-Based Models and Genetic Algorithms for Functional Composition of Sound Signals, Synchronized to Animated Motion", International Computer Music Conference (ICMC), Tokyo, Japan, Sept. 10-15, 1993. [pdf]

1992

  • 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.[pdf]

1989

  • 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.

1988

  • 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. [pdf]