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Pfinder: real-time tracking of the human body

IEEE Transactions on Pattern Analysis and Machine Intelligence · 1997 · Vol. 19(7) · pp. 780–785

Christopher R. Wren✉(Massachusetts Institute of Technology)A. Azarbayejani(MIT Lincoln Laboratory)Trevor Darrell(Massachusetts Institute of Technology)Alex Pentland(MIT Lincoln Laboratory)

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Abstract

Pfinder is a real-time system for tracking people and interpreting their behavior. It runs at 10 Hz on a standard SGI Indy computer, and has performed reliably on thousands of people in many different physical locations. The system uses a multiclass statistical model of color and shape to obtain a 2D representation of head and hands in a wide range of viewing conditions. Pfinder has been successfully used in a wide range of applications including wireless interfaces, video databases, and low-bandwidth coding.

Hand Gesture Recognition Systems Gaze Tracking and Assistive Technology Human Pose and Action RecognitionComputer scienceComputer visionArtificial intelligenceCoding (social sciences)Tracking systemTracking (education)Computer graphics (images)Kalman filterMathematics

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Recent developments in human motion analysis