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Camera-Based 3D Pointing Technique Using Dynamic On-Screen Markers

  • A cost-efficient alternative to outside-in tracking systems for pointing interaction with large displays is to equip the pointing device with a camera, whose images are matched to display content. This work presents the Dynamic Marker Camera Tracking (DMCT) framework for display-based camera tracking. It accounts for typical display characteristics and uses dynamic on-screen markers overlaid to the display content that follow the camera. An example marker implementation and a tracking recovery method are presented. DMCT can measure pointing locations with sub-millimeter precision in large tracking volumes and computes 6-DoF camera poses for 3D interaction. 60 Hz update rate and 24 ms latency were achieved. DMCT's main limitation is the visible marker interfering with display content. In pointing effciency, the prototype is comparable to an OptiTrack system.

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Document Type:Conference Object
Parent Title (Multiple languages):Zachmann, Weller et al. (Hg.): Virtuelle und Erweiterte Realit├Ąt: 11. Workshop der GI-Fachgruppe VR/AR, GI VRAR 2014, Bremen im September 2014
First Page:133
Last Page:144
Place of publication:Aachen
Date of first publication:2014/09/16
Departments, institutes and facilities:Fachbereich Informatik
Institute of Visual Computing (IVC)
Dewey Decimal Classification (DDC):0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Entry in this database:2015/04/02