WIEN Structured Visual Markers for Indoor Pathfinder Michael Kalkusch Michael Knapp Thomas Lidy Vienna University of Technology, Austria
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 2/18 Motivation Indoor Navigation: n Mobile setup n Interaction via PIP n Augment room geometry & directional hints PIP
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 3/18 Motivation Indoor Navigation: n Mobile setup n Interaction via PIP n Augment room geometry & directional hints PIP
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 4/18 Outline n Tracking input n Marker reuse n Interaction n Future work
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 5/18 Tracking Input n Firewire camera n Optical tracking with ARToolkit n Inertia tracker n Knowledge on building
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 6/18 Tracking Input Optical tracking: n ARToolkit to compute user‘s position
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 7/18 Tracking Input Inertial tracking: n Used when no marker is visible
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 8/18 Tracking Input Knowledge on building: n Position of markers n List of adjacent rooms
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 9/18 Marker Reuse n Tracking input n Marker reuse n Interaction n Future work
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 10/18 Marker Reuse n Use viewable markers only
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 11/18 Marker Reuse n Use viewable markers only n Create marker-sets
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 12/18 Marker Reuse n Use viewable markers only n Create marker-sets u Using an extended adjacent graph
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 13/18 Marker Reuse n Use viewable markers only n Create marker-sets u Using an extended adjacent graph n Unique markers for setup position
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 14/18 Interaction n Tracking input n Marker reuse n Interaction n Future work
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 15/18 Interaction Interaction: n See-through display u Directional Hints u Augment room n Interaktion via PIP u WIM with location highlighting u Selection of destination room
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 16/18 Interaction Directional Hints
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 17/18 Interaction Interaction: n See-through display u Directional Hints u Augment room n Interaktion via PIP u WIM with location highlighting u Selection of destination room
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 18/18 Future Work n Input signals n Interaction n Marker reuse n Future work
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 19/18 Future Work n Improve tracking using Kalman filters n Extend service to provide whole building n Make service available to other components
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 20/18 Structured Visual Markers for Indoor Pathfinder
Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 21/18 Acknowledgements This work was funded by: n Austrian Science Fund (FWF) n Vienna University of Technology infrastructure lab grant „MARDIS“ Special Thanks to: Thomas Lidy, Michael Knapp, Gerhard Reitmayr, Hannes Kaufmann and Dieter Schmalstieg Video available at: