Foldable Interactive Displays

Johnny Chung Lee, et al., Carnegie Mellon University

Summary

This paper explores foldable projected display with low cost tracking and orientation sensitivity.

Details

Much interest has been attracted towards flexible display but OLED prototypes remain rigid and rectilinear. Authors explore augmenting passive surfaces using image projection and IR dot tracking. While such a system suffers from occlusion problem, minimal object tracking, use of passive surfaces allow various foldable prototype designs such as newspaper, scroll, fan and umbrella. Subtle display movements can be detected by monitoring edges of surface to provide orientation sensitive behaviour. Similarly extra tracking points can be used to provide stylus-like input.

Review

This is an exploratory paper and as author admits, there are serious hurdles to be crossed in making this mobile and accurate in tracking. Introducing IR dots seem to counteract potential benefits of using a passive surface in the first place. Using computer vision techniques instead, coloured dots could be used to serve similar purpose.

Disclaimer

The work discussed above is an original work presented at UIST 2008 by the authors/affiliations indicated at the starting of this post. This post in itself was created as part of course requirement of CPSC 436.