Johns Hopkins University Whiting School of Engineering

Gregory D. Hager

Computer Science
Secondary Appointment: Mechanical Engineering, Electrical and Computer Engineering (primary)

Hackerman Hall 121 (office)
410-516-5521 (office) (primary)

Staff Contact:
Alison Morrow
ResearcherID webpage >>


Ph.D 1988, University of Pennsylvania
M.S.E. 1985, University of Pennsylvania
B.A. Summa Cum Laude 1983, Luther College, Iowa


2010: Department Chair, Computer Science
2004: Deputy Directory, Center for Computer-Integrated Surgical Systems and Technology
1999: Professor of Computer Science (secondary appointment in Mechanical Engineering), Johns Hopkins University
1996-1999: Associate Professor of Computer Science and Electrical Engineering, Yale University
1991-1996: Assistant Professor of Computer Science, Yale University
1988-1990: Fullbright Fellow, Fraunhofer Inst., IITB & University of Karlsruhe
1990: Post-doctoral Research Fellow, University of Pennsylvania
1984: Summer Research Staff, SRI International
1983: Summer Research Staff, IBM T.J. Watson Research Center

Research Areas

Medical Robotics
Human-Machine Interaction
Computer Vision

Journal Articles

Foroughi, P., Kang, H., Carnegie, D.A., Van Vledder, M.G., Choti, M.A., Hager, G.D., Boctor, E.M. (2012). A Freehand Ultrasound Elastography System With Tracking for< i> In Vivo Applications. Ultrasound in medicine & biology.
DOI » View record in Web of Science SM
Sznitman, R., Ali, K., Richa, R., Taylor, R., Hager, G., Fua, P. (2012). Data-Driven Visual Tracking in Retinal Microsurgery. Medical Image Computing and Computer-Assisted Intervention?MICCAI 2012. 568-575.
Tao, L., Elhamifar, E., Khudanpur, S., Hager, G., Vidal, R. (2012). Sparse hidden Markov models for surgical gesture classification and skill evaluation. Information Processing in Computer-Assisted Interventions. 167-177.
Mirota, D.J., Wang, H., Taylor, R.H., Ishii, M., Gallia, G.L., Hager, G.D. (2012). A system for video-based navigation for endoscopic endonasal skull base surgery. Medical Imaging, IEEE Transactions on. 31(4). 963-976.
DOI » View record in Web of Science SM
Richa, R., Balicki, M., Sznitman, R., Meisner, E., Taylor, R., Hager, G. (2012). Vision-Based Proximity Detection in Retinal Surgery. Biomedical Engineering, IEEE Transactions on. 59(8). 2291-2301.
DOI » View record in Web of Science SM

Conference Proceedings

Ahmidi, N., Ishii, M., Fichtinger, G., Gallia, G.L., Hager, G.D. "An objective and automated method for assessing surgical skill in endoscopic sinus surgery using eye-tracking and tool-motion data", International Forum of Allergy & Rhinology, 2012.
DOI » 10.1002/alr.21053  View record in Web of Science SM
Tokgozoglu, H.N., Meisner, E.M., Kazhdan, M., Hager, G.D. "Color-based hybrid reconstruction for endoscopy", Computer Vision and Pattern Recognition Workshops (CVPRW), 2012 IEEE Computer Society Conference on, 2012, pp.8-15.
Bodenstedt, S., Padoy, N., Hager, G. "Learned Partial Automation for Shared Control in Tele-Robotic Manipulation", 2012 AAAI Fall Symposium Series, 2012.
Fleming, I., Rivaz, H., Boctor, E., Hager, G. "Robust dynamic programming method for ultrasound elastography", SPIE Medical Imaging, 2012, pp.83201-83201.
Brucker, M., L´┐Żonard, S., Bodenmuller, T., Hager, G.D. "Sequential scene parsing using range and intensity information", Robotics and Automation (ICRA), 2012 IEEE International Conference on, 2012, pp.5417-5424.
 View record in Web of Science SM

Awards & Honors

2006: Spie Ultrasonics best paper award
2006: IEEE Fellow
2005: Medical Image Analysis Best MICCAI Paper Award
2005: MICCAI Best Student Paper Award in Computer-Aided Interventions
1996: Best Paper Nomination - IEEE Trans. on Robotics and Automation
1995: Yale Junior Faculty Fellowship
1989: Best Paper Nomination - International Symposium on Robotics Research
1988: Fullbright Post-doctoral Junior Research Fellowship
1988: Rubinoff Dissertation Prize, University of Pennsylvania
1986: IBM Graduate Fellowship in Manufacturing and Automation
1983: National Science Foundation Graduate Fellowship


From Information to Action in a World of Data, Imaged-Guided Intervention Symposium, JHU., December 14, 2012
Computational Modeling and Enhancement of Human Skill: Toward Effective Human-Machine Collaborative Systems. Yale University., November 27, 2012
Quantitative Endoscopy, BME Spring Symposium., November 16, 2012
Quantitative Endoscopy, BME Spring Symposium., November 16, 2012
An Overview of Activities in CIRL, Children's Hospital, October 19, 2012
Activities in CIRL, LCSR Industry Day., July 16, 2012
Quantitative Endoscopy and Interventional Medicine, GSISH Summer Symposium., July 1, 2012
Computer Vision and Interventional Medicine, CVPR Workshop on Computer Vision in Medicine, June 20, 2012
Balaur Wall, Presented to Microsoft Academic Summit., April 19, 2012
Computational Modeling and Enhancement of Surgical Skill, Harvard IDIES Symposium., March 12, 2012
From Information to Action: A Perspective on the Past and Future of Robotics Research and Applications, Colorado Western State University, January 23, 2012
From Information to Action: A Perspective on Three Decades of Sensor-Based Robotics Research, Willow Garage, December 10, 2011
From Information to Action: A Perspective on Three Decades of Sensor-Based Robotics Research, DLR Challenges in Robotics, Down to Earth Symposium, November 22, 2011
CCC Frontiers in Computer Science Symposium: Computational Modeling and Enhancement of Surgical Skill, October 3, 2011
Video Guidance for Human-Machine Collaborative Intervention, IROS Workshop on Image-Guided Interventions in Medicine, October 1, 2011
Tutorials on Computer Vision, Ultrasound, and Human-Machine Systems, Dutch Institute on Systems and Control Summer School, June 10, 2011
Human Machine Systems for Interventional Medicine, JHU Alumni Weekend Speaker, April 20, 2011
Computational Modeling and Enhancement of Surgical Skill, Zurich Switzerland, ETH, February 25, 2011
Scene Parsing, Intel Research Labs, August 26, 2010
Lecture on Surgical Skill Evaluation, Robotics Summer School, August 25, 2010
SCI Distinguished Lecture, University of Utah, March 17, 2010
Computer Vision in Medicine NIH Colloquium. NIH, Bethesda. 2008-12-12. (Invited), December 12, 2008
Computer Vision in Medicine Stanford GRAIL Colloquium. Stanford University. 2008-11-18. (Invited), November 18, 2008
Mining Digital Video Data for Medical Applications I4M Talk. . 2008-11-05. (Invited), November 5, 2008
Endoscopic Computer-Aided Diagnosis for Medicine Industry Talk. STI Medical, Honolulu. 2008-05-09. (Invited), May 9, 2008
Future Directions in Surgical Assistance Keck New Frontiers in Medicine and Surgery. Irvine. 2008-04-23. (Invited), April 23, 2008
Computer Assisted Surgery: A Laboratory for AI Research Stanford Broad Area Colloquium. Stanford University. 2006-11-04. (Invited), November 4, 2006
Robotics@JHU LA Science Center Development Event. Los Anglelos. 2006-11-03. (Invited), November 3, 2006
Surgical Assistance Tutorial on Computer-Integrated Surgery. MICCAI. 2006-10-01., October 1, 2006
Progress in Computational Sensing IFAC Workshop on Future Directions in Robotics. Orlando, Florida (with ICRA 2006). 2006-04-20. (Invited), April 20, 2006
Functional Languages Meet Vision and Robotics: FRP in Action Seminar. Georgia Tech.. 2002-04-00. (Invited), March 31, 2002


2012: MVHI Steering Committee
2012: Fastforward Advisory Board
2011: Armstrong Patient Safety Institution Advisory Board
2011: Carey School of Business Faculty Advisory Board
2011: JHU Systems Institute Technical Steering Committee
: MICCAI Program Committee
2010: Computing Community Consortium
2009 - 2010: University Academic Council
2008 - 2010: WSE International Affairs Advisory Board
2004 - 2009: CVPR Area Chair
2003 - 2003: CVPR 2004 Program Committee
2003 - 2003: ECCV 2004 Program Committee
2002 - 2002: Program Committee, CVPR 2002
: Health Informatics Certificate Advisory Committee
: EP Computer Science Advisory Committee