February 5th, 2009 admin
Challenged to produce a ’spatial media’ design concept for the living room, I undertook the challenge of extended the limitations of passive control surfaces. Specifically I am referring to the static nature of most projectable surfaces. Although flat surfaces such as floors, table tops, and walls allow for the creation of compelling reactive interfaces, they are generally static. It is difficult to shift the location of a projected table top interface once it has been positioned and calibrated in respect to the projector.
The design I am proposing allows for the intended projection surface to move in three dimensions within the defined projection volume. The projection surface itself will be marked with an asymmetrical pattern of directional reflective markers that will respond to the infra red light emit form the multi-camera tracking system. The location and orientation of the projection surface is then understood by the projection system which automatically selects a subset of the projection array and modifies the output from each projector to account for the orientation of the surface. The end result is a surface that can be projected upon regardless of its orientation or location within a defined volume.
The image set below demonstrates how this system could be used to create a form of universal remote control for a digital system within the house. As the surface could be any flat and rigid surface, there are no limitations in regards to what could serve as the projection surface. Furthermore, there is no limit to the density of information one could have projected onto the surface. In the example images, one could imagine a music lover enjoying the benefit of a detailed spectral analysis of the music they are listening to.


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