1. Mixed Reality Conferencing Hirokazu Kato, Mark Billinghurst kato@hitl.washington.edu grof@hitl.washington.edu HIT Lab., University of Washington

2. Traditional Video Conferencing l Limitations: n lack of spatial cues n small images n introduces seams –functional –cognitive n limited non-verbal cues n must move to conferencing space

3. Mixed Reality (Augmented Reality) l VR: Replaces Reality n immersive displays l MR: Enhances Reality n see-through displays l Characteristics n combines real and virtual images n interactive in real-time n registered in 3D

4. Wearable MR Conferencing l Features n mobile conferencing n full size images n spatial audio/visual cues n image overlay on real world n dozens of simultaneous users

5. The WearCom Prototype l Internet Telephony l Spatial Audio/Visuals l See-through HMD l Head Tracking l Wireless Internet l Wearable Computer l Static Images

6. Fixed MR Conferencing l Moves conferencing from the desktop to the workspace l Features: n portability n live video n shared whiteboard n world stabilized images n computer vision registration techniques

7. MR Conferencing Prototype shared whiteboard live video