2. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu Rigorous Exploration of Medical Data in Collaborative Virtual Reality Applications Collaborators: Dept. of Radiology, UC Electronic Visualization Lab, UIC Math and Computer Science Div., ANL Distributed, collaborative, stereoscopic visualization and high precision manipulation of polygonal anatomic models and volumetric radiological data This project has been funded in part with Federal funds from the National Library of Medicine, National Institutes of Health, under Contract No. N01-LM-9-3543 and Grant R01-LM-06756-01.

3. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu Tele-Immersive Virtual Reality Two or more ImmersaDesk TM systems –stereo vision –viewer centered perspective –large angles of view –interactivity Networked collaboration (using CAVERNsoft) –converse, see each other, and point in 3D! Electronic Visualization Lab, University of Illinois at Chicago

4. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu

5. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu Server Disk Application Server Client Vis App 1 Client Disk Client Disk Client Disk Client Vis App 2 Client Vis App n

6. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu

7. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu

8. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu Medical Applications: Research, Education, Clinical Practice

9. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu Immersive Hepatic Surgery Educational Environment (IHSEE)

10. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu Radiological Visualization

11. University of Chicago, Section of General Surgery UC Hospitals, Center for Clinical Information jcs@uchicago.edu Collaborative Virtual Reality Features Implemented Tele-Collaboration –Distributed application control, Synchronization, Audio channel streaming, Video playback Model selection, Translate, Rotate, Scale Automatic DICOM import Segmentation Region of Interest Sampling Precision Arbitrary Clipping Plane