IrCube tracker: an optical 6-DOF tracker based on LED directivity

Authors:
Seongkook Heo;Jaehyun Han;Sangwon Choi;Seunghwan Lee;Geehyuk Lee;Hyong-Euk Lee;SangHyun Kim;Won-Chul Bang;DoKyoon Kim;ChangYeong Kim
Affiliations:
KAIST, Daejeon, South Korea;KAIST, Daejeon, South Korea;KAIST, Daejeon, South Korea;KAIST, Daejeon, South Korea;KAIST, Daejeon, South Korea;Samsung Advanced Institute of Technology, Giheung, South Korea;Samsung Advanced Institute of Technology, Giheung, South Korea;Samsung Advanced Institute of Technology, Giheung, South Korea;Samsung Advanced Institute of Technology, Giheung, South Korea;Samsung Advanced Institute of Technology, Giheung, South Korea
Venue:
Proceedings of the 24th annual ACM symposium on User interface software and technology
Year:
2011

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Abstract

Six-degrees-of-freedom (6-DOF) trackers, which were mainly for professional computer applications, are now in demand by everyday consumer applications. With the requirements of consumer electronics in mind, we designed an optical 6-DOF tracker where a few photo-sensors can track the position and orientation of an LED cluster. The operating principle of the tracker is basically source localization by solving an inverse problem. We implemented a prototype system for a TV viewing environment, verified the feasibility of the operating principle, and evaluated the basic performance of the prototype system in terms of accuracy and speed. We also examined its application possibility to different environments, such as a tabletop computer, a tablet computer, and a mobile spatial interaction environment.