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WIEN Structured Visual Markers for Indoor Pathfinder Michael Kalkusch Michael Knapp Thomas Lidy Vienna University of Technology, Austria.

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Presentation on theme: "WIEN Structured Visual Markers for Indoor Pathfinder Michael Kalkusch Michael Knapp Thomas Lidy Vienna University of Technology, Austria."— Presentation transcript:

1 WIEN Structured Visual Markers for Indoor Pathfinder Michael Kalkusch Michael Knapp Thomas Lidy Vienna University of Technology, Austria

2 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

3 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

4 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 4/18 Outline n Tracking input n Marker reuse n Interaction n Future work

5 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

6 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 6/18 Tracking Input Optical tracking: n ARToolkit to compute user‘s position

7 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 7/18 Tracking Input Inertial tracking: n Used when no marker is visible

8 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

9 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 9/18 Marker Reuse n Tracking input n Marker reuse n Interaction n Future work

10 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 10/18 Marker Reuse n Use viewable markers only

11 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 11/18 Marker Reuse n Use viewable markers only n Create marker-sets

12 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

13 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

14 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 14/18 Interaction n Tracking input n Marker reuse n Interaction n Future work

15 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

16 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 16/18 Interaction Directional Hints

17 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

18 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 18/18 Future Work n Input signals n Interaction n Marker reuse n Future work

19 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

20 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 20/18 Structured Visual Markers for Indoor Pathfinder http://www.studierstube.org/

21 Michael Kalkusch WIEN Structured Visual Markers for Indoor Pathfinder - 21/18 Acknowledgements http://www.studierstube.org/projects/mobile/ 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:

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