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My Own Private Kiosk: Privacy-Preserving Public Displays. Marc Eaddy † G á bor Blask ó † Jason Babcock ‡ Steven Feiner †. † Columbia University ‡ Rochester Institute of Technology. Overview. EyeGuide 3D eye tracking Eye as input. Public/private displays. EyeGuide. Input. Output.

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my own private kiosk privacy preserving public displays

My Own Private Kiosk:Privacy-Preserving Public Displays

Marc Eaddy†

Gábor Blaskó†

Jason Babcock‡

Steven Feiner†

†Columbia University

‡Rochester Institute of Technology

overview
Overview
  • EyeGuide
  • 3D eye tracking
  • Eye as input
public private displays
Public/private displays

EyeGuide

Input

Output

eyeguide
EyeGuide

Head

Tracker

  • Eye tracker
  • Head tracker
  • Earphone (for privacy)

Scene

Camera

Earphone

Eye

Camera

scenario
Scenario
  • Subway map (public display)
  • Lost user
  • Nefarious straphangers
  • EyeGuide “steers” the user’s gaze tolocations on themap using whispered verbal cues
contributions
Contributions
  • Introduces private “gaze steering”
    • 2D: Maps, Paintings
    • 3D: Sculpture, “Secret Agent Man”
  • Lightweight eye- and head-tracking headgear

Head

Tracker

Scene

Camera

Earphone

Eye

Camera

3d eye tracking
3D Eye Tracking
  • 3D Model

Head

World

Eye/Camera

Scene (Map)

3d eye tracking accuracy
3D Eye Tracking Accuracy
  • Calibration errors (more points, remove outliers)
  • Eye tracker errors (smoothing)
  • Head tracker errors (smoothing)

Eye-in-Head Projection

Eye Plane

3d calibration
3D Calibration
  • Original calibration method
    • 9 points, fixed head position
    • 27 points, different head positions
  • New calibration method (Mulligan)
    • Fixate on single point
    • While moving head back and forth (and up and down)
    • Vestibuloocular Reflex (VOR)
    • Allows us to get 100s of points
    • More user friendly
eye as real time 3d input device
Eye as real-time 3D input device?
  • Passive
    • Gaze contingent displays (EyeGuide)
    • Head pose often sufficient
    • When is the finer level of granularity (below 30º) needed?
  • Active
    • Eye as controller
    • Fitts’ Law applied to AR/VR
    • Eye can point, select, and move faster than mouse (in some situations)
acknowledgements
Acknowledgements

Funded in part by the Office of Naval Research and gifts from IBM and Microsoft.

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