donderdag 28 augustus 2014

Projected 3D images float in space with spheree.

Bron; www.inavateonthenet.net

Three-dimensional projection inside a sphere has been used to create the illusion of objects floating within a globe. The system, called Spheree, also supports interaction with the objects and allows viewers to view multiple angles from different points around the display. It was developed by researchers at the University of São Paulo, in Brazil, and University of British Columbia, in Canada.

Spheree uses calibrated pico-projectors to create a seamless rear-projected display within a spherical display surface. The system automatically calibrates and blends the projectors using a standard webcam.

Optical tracking supports head-coupled rendering to provide motion parallax-based 3D depth cues and Spheree supports direct interaction techniques. It can be used as a design tool with the ability to modify existing models via a 3D interaction interface on the sphere.

Final models can be exported or printed on a 3D printer. Spheree is scalable and can use larger projectors for a larger display. The research team has tested a 20-in diameter, eight pico-projector unit as well as a 7-in four pico-projector option.




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