Structured Visual Markers for Indoor Pathfinder

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Structured Visual Markersfor Indoor Pathfinder
Michael Kalkusch Michael Knapp Thomas Lidy
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Structured Visual Markersfor Indoor Pathfinder

• Indoor Navigation
• Mobile setup
• Interaction via PIP
• Augment room geometry directional hints

PIP
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Outline

• Input signals
• Interaction
• Marker reuse
• Future work

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Input Signals

• Firewire camera
• Optical trackingwith ARToolkit
• Inertia tracker
• Knowledge on building

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Input Signals

• Optical tracking
• ARToolkit to computeusers position

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Input Signals

• Inertial tracking
• Used when no markeris visible

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Input Signals

• Knowledge on building
• Position of markers
• List of adjacent rooms

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Structured Visual Markersfor Indoor Pathfinder

• Input signals
• Interaction
• Marker reuse
• Future work

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Interaction

• Interaction
• See-through display
• Directional Hints
• Augment room
• Interaktion via PIP
• WIM with location highlighting
• Selection ofdestination room

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Interaction

• Interaction
• See-through display
• Directional Hints
• Augment room
• Interaktion via PIP
• WIM with location highlighting
• Selection ofdestination room

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Structured Visual Markersfor Indoor Pathfinder

• Input signals
• Interaction
• Marker reuse
• Future work

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Marker Reuse

• Use viewable markers only

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Marker Reuse

• Use viewable markers only
• Create marker-sets

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Marker Reuse

• Use viewable markers only
• Create marker-sets
• Using an extendedadjacent graph

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Marker Reuse

• Use viewable markers only
• Create marker-sets
• Using an extendedadjacent graph
• Unique markersfor setup position

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Structured Visual Markersfor Indoor Pathfinder

• Input signals
• Interaction
• Marker reuse
• Future work

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Future Work

• Improve tracking using Kalman filters
• Extend service to provide whole building
• Make service availableto other components

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Structured Visual Markersfor Indoor Pathfinder

• http//www.studierstube.org/