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Principles of Vision-Based Human-Computer Communication: Understanding Motion and Interaction

This document outlines the core principles behind vision-based communication in human-computer interactions. It emphasizes how moving objects convey information related to events and commands and explores the non-linear nature of object motion. Key concepts include the recognition of patterns formed by objects and their sub-components, as well as applications in various fields such as slideshow interaction, remote control, and real-time translation. It also highlights technical constraints and the use of USB webcams for real-time data processing.

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Principles of Vision-Based Human-Computer Communication: Understanding Motion and Interaction

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  1. Human-Computer Vision-based Communication Core Principles

  2. Principles for HC Vision-based Com. • Moving objects hold informations (event/command) • Objects don’t move linearly • Moving sub-objects compose object • Communication is based upon events • Activity : motion pressure • Object position • Object form patterns • Rectoids/SubRectoids composition recognition

  3. Concrete applications • Slideshow Interaction(Powerpoint) • Remote control • DVD player • WM Player • … • Game • Sign Real Time translation • Music • OS input : virtual device (mouse, keyboard)

  4. Technical constraints • USB WebCAM as picture acquisition device • Real Time processing

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