DETECTING BARRIERS TO MOVEMENT GEO-TRACKING VIDEO … · DETECTING BARRIERS TO MOVEMENT...
Transcript of DETECTING BARRIERS TO MOVEMENT GEO-TRACKING VIDEO … · DETECTING BARRIERS TO MOVEMENT...
DETECTINGBARRIERSTOMOVEMENT
GEO-TRACKINGVIDEO APPROACH
SwissMobilityConference29June 2017,Lausanne
Dr.GuillaumeDrevon,LASUR,EPFLDr.OlivierKlein,LISER
Issues1
Barriertomovement
Potential barriers
Immaterialbarriers
Mentalbarriers
Placeperception
Perceptionoftimeanddistance
Placeexperience
Materialbarriers
Naturalbarriers
Hydrography
Topography
Anthropic barriers
Railways
Highways
Buldings
Traffic
Random events
Potentialbarriers
Some examples
Howtodetectbarrierstomovement?
Andusethesedetectedbarriersintheframeofinterviews?
Methodologicalissues
Toolsandmethodology2
Detectingbarrierstomovement
Weneed:
• Indicator1:individual’sroute
• Indicator2:speed
• Indicator3:eventsontheroute
Advantages:
•Routesdetecting•Spatialprecision•Speed
Inconvenients:
•Dataanalysis•Samplesize•Autonomy•Intrusiveprotocol
GPStracking
Route
• Indicator1:individual’sroute
Speed
• Indicator2:speed
+
-
We need:
• Indicator 1:individual’s route
• Indicator 2:speed
• Indicator 3:events ontheroute
Detectingbarrierstomovement
On-boardvideo
"ViewFromTheRoad"(1958)- KevinLynch
Source:MITLibrairies,MITVidéoProductions
Safetydevice:
• Privateuses• Professionaluses
Source:©Roadeyescam
On-boardvideo
Sportdevice:
• Extreme sports
Source:©Contour
On-boardvideo
VideoandGPStracking
+ =
GPScamera
We need:
• Indicator 1:individual’s route
• Indicator 2:speed
• Indicator 3:events ontheroute
Ø Geo-visalisation device forinterviewsprotocol
Detectingbarrierstomovement
Geovisualisationdevice
Combination:
• Audio• Video• Interactivity
Datastructure3
Datastructure
Datastructure
Datastructure
Datastructure
Prototype4
Interface
• Video
Interface
• Interactivemap
Ø Individuallocation
Ø Spatialvideo-line
Ø Layerscontrol
Interface
• Speedvariation
ØReductioninspeedareas
Interface
• Barriers
Ø Videosequencesassociatedwithbarriers
Interface
Demo4
Conclusionsandperspectives
•Barriersdetectiontomovement•Understandingofstrategiesfacingbarriers
•Intrusiveprotocol•Shiftingtootherstransportmodes•Non-automaticanalysis
Perspectives:
•Interviewsbasedonasmallsample•Testingwithotherstransportmodes
Useothersconnectedtools:
•GoogleGlass•Eye-Tracker
Mercidevotreattention…
[email protected]@ceps.lu