WIENWIEN

Structured Visual Markersfor Indoor Pathfinder

Michael KalkuschMichael Kalkusch

Michael KnappMichael Knapp

Thomas LidyThomas Lidy

Vienna University of Technology, Austria

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 2/18

Motivation

Indoor Navigation:Indoor Navigation: Mobile setupMobile setup Interaction via PIP Interaction via PIP Augment room geometryAugment room geometry

& directional hints& directional hints

PIP

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 3/18

Motivation

Indoor Navigation:Indoor Navigation: Mobile setupMobile setup Interaction via PIP Interaction via PIP Augment room geometryAugment room geometry

& directional hints& directional hints

PIP

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 4/18

Outline

Tracking inputTracking input Marker reuseMarker reuse InteractionInteraction Future workFuture work

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 5/18

Tracking Input

Firewire camera Firewire camera Optical trackingOptical tracking

with ARToolkitwith ARToolkit

Inertia trackerInertia tracker Knowledge Knowledge

on building on building

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 6/18

Tracking Input

Optical tracking:Optical tracking: ARToolkit ARToolkit

to computeto computeuser‘s positionuser‘s position

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 7/18

Tracking Input

Inertial tracking:Inertial tracking: Used when Used when

no markerno markeris visibleis visible

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 8/18

Tracking Input

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

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 9/18

Marker Reuse

Tracking inputTracking input Marker reuseMarker reuse InteractionInteraction Future workFuture work

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 10/18

Marker Reuse

Use viewable markers onlyUse viewable markers only

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 11/18

Marker Reuse

Use viewable markers onlyUse viewable markers only Create marker-setsCreate marker-sets

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 12/18

Marker Reuse

Use viewable markers onlyUse viewable markers only Create marker-setsCreate marker-sets

Using an extendedUsing an extendedadjacent graphadjacent graph

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 13/18

Marker Reuse

Use viewable markers onlyUse viewable markers only Create marker-setsCreate marker-sets

Using an extendedUsing an extendedadjacent graphadjacent graph

Unique markersUnique markersfor setup positionfor setup position

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 14/18

Interaction

Tracking inputTracking input Marker reuseMarker reuse InteractionInteraction Future workFuture work

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 15/18

Interaction

Interaction:Interaction: See-through displaySee-through display

Directional HintsDirectional Hints Augment roomAugment room

Interaktion Interaktion viavia PIP PIP WIM with WIM with

location highlightinglocation highlighting SeleSelection ofction of

destination roomdestination room

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 18/18

Future Work

Input signalsInput signals InteractionInteraction Marker reuseMarker reuse Future workFuture work

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 19/18

Future Work

Improve tracking Improve tracking using Kalman filtersusing Kalman filters

Extend service Extend service to provide whole buildingto provide whole building

Make service availableMake service availableto other componentsto other components

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 20/18

Structured Visual Markersfor Indoor Pathfinder

http://www.studierstube.org/http://www.studierstube.org/

Michael Kalkusch

WIEN

Structured Visual Markers for Indoor Pathfinder - 21/18

Acknowledgements

http://www.studierstube.org/projects/mobile/http://www.studierstube.org/projects/mobile/

This work was funded by:This work was funded by: Austrian Science Fund (FWF)Austrian Science Fund (FWF) Vienna University of TechnologyVienna University of Technology

infrastructure lab grant „MARDIS“infrastructure lab grant „MARDIS“

Special Thanks to: Special Thanks to: Thomas Lidy, Michael Knapp, Thomas Lidy, Michael Knapp, Gerhard Reitmayr, Hannes KaufmannGerhard Reitmayr, Hannes Kaufmannand Dieter Schmalstieg and Dieter Schmalstieg

Video available at:Video available at: