Sunday, February 27, 2011

Paper Reading #11: Combining Multiple Depth Cameras and Projectors for Interactions On, Above, and Between Surfaces

Comments:

Reference Information:
Title: Combining Multiple Depth Cameras and Projectors for Interactions On, Above, and Between Surfaces
Author: Andrew D. Wilson, Hrvoje Benko
Venue: UIST 

Summary:
The authors describe their creation of a room which has been fitted with multiple depth cameras and projection to create an environment in which the user can manipulate objects projected onto surfaces in the room. One type of interaction is the simple manipulation of a projector on one surface. In addition, by touching an object on one surface and then taping another surface, the user can move projections to the second surface. Another useful feature descirbed is the ability to hold projections in your hand. By dragging a projection off of the surface and into your hand it is transformed into a small ball. When you touch another surface with the ball in your hand, the projection is transfered to that surface. The last feature discussed is that of spatial menues. When you place your hand over a projected menu, you are given all the options in that menu. If you linger on a option for two seconds then that option is selected. The authors then discussed the technical details of how these interactions were designed. 


Discussion:
This technology really fascinated me. It reminds me of a movie (I think Minority Report) where the user was participating with projected objects that were hovering in mid air. It seems really futuristic and if it ever becomes affordable to fit a room with this equipment I would be very excited to get it myself. It is unfortunate that there are some issues with getting in the way of the projector or having too many users in a room at the same time, but I believe these kinks will be worked out eventually.

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