IEEE Computer Graphics and Applications
An Occlusion-Capable Optical See-through Head Mount Display for Supporting Co-located Collaboration
ISMAR '03 Proceedings of the 2nd IEEE/ACM International Symposium on Mixed and Augmented Reality
Color correction for optical see-through displays using display color profiles
Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology
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There are several approaches to realize a 3D display that can be viewed by multiple co-located users, and each has its own pros and cons. A volumetric display utilizes afterimage effects, and it usually can only show transparent images within its volume. Some projection-based systems support independent viewpoints for more than two users [1], however, virtual objects can be shown only within a viewing frustum in front of the screen. On the other hand, head mount display (HMD) based Augmented Reality (AR) can show virtual objects at arbitrary locations [2]. Besides, an HMD can potentially show correct occlusion phenomena between virtual and real scenes. While a video see-through HMD severely degrades the quality of the real scene and adds a certain system delay, an optical see-through HMD keeps the intrinsic quality of the real scene. However, a virtual scene had to be a semi-transparent ghost due to a half-silvered optical combiner so far.