US Patent:
20070268363, Nov 22, 2007
Inventors:
Ramesh Raskar - Cambridge MA, US
Hideaki Nii - Cambridge MA, US
Jay W. Summet - Atlanta GA, US
Yong Zhao - Providence RI, US
Paul H. Dietz - Hopkinton MA, US
Jonathan Westhues - Cambridge MA, US
Michael Noland - Chapel Hill NC, US
Erich Bruns - Saarburg, DE
Shree Nayar - New York NY, US
Vlad Branzoi - Lawrenceville NJ, US
International Classification:
H04N 7/18
G08B 19/00
G08B 23/00
Abstract:
An optical receiver is arranged at a location in a scene. The optical receiver includes a photo sensor configured to detect spatio-temporal modulated optical signals directed at the scene from a set of spatially dispersed optical transmitters, and to convert the optical signals from each of the optical transmitters to a corresponding electronic signal. The electronic signals can be analyzed to determine geometric properties of the location in the scene.