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Gesture Recognition

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A talk about my undergraduate individual project which I gave at BarCampNorthEast 2007, several months before completing my project. It gives an overview of a hand gesture recognition system, …

A talk about my undergraduate individual project which I gave at BarCampNorthEast 2007, several months before completing my project. It gives an overview of a hand gesture recognition system, detailing how interesting points on a hand are found and tracked.

Published in: Technology, Business

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Transcript

  • 1. Hand Gesture Recognition Emma Persky storyteller, geek, believer, etc
  • 2. Why Recognise Gestures?
  • 3. New Models of Interaction
  • 4. Accessibility!
  • 5. Parameters of Recognition
  • 6. How Does it Work? • Find the Hand (not my problem!) • Find Interesting Regions on Hand • Track Interesting Points • Compare Hand Path / Relative Position
  • 7. Interesting Points • Edge Detection • Corner Detection • Regions of High Gradient of Change • Brightness / Colour Histogram
  • 8. Tracking Points • Iterative Lucas - Kanade Method • Pyramid Feature • Outputs New Points and Probabilities
  • 9. Tracking the Hand • ‘Flock’ of points • Cull outliers • Median (x and y) of Points is Centre of Hand
  • 10. Recognising Gestures • Relative Position of Hands from ‘Start’ • Trace Path of Hand Centre
  • 11. Applications • TV Control • Ubiquitous Systems Control • Games (Johnny Lee Eat Your Heart Out)!
  • 12. Demo!