Computer Vision Face Tracking For Use in a Perceptual User Interface
Published: |
May 7, 1999 |
Author: |
Gary R. Bradski; Microcomputer Research Lab |
Abstract: |
As a first step towards a perceptual user interface, a computer vision color tracking algorithm is developed and applied towards tracking human faces. Computer vision algorithms that are intended to form part of a perceptual user interface must be fast and efficient. They must be able to track in real time yet not absorb a major share of computational resources: other tasks must be able to run while the visual interface is being used. The new algorithm developed here is based on a robust nonparametric technique for climbing density gradients to find the mode (peak) of probability distributions called the mean shift algorithm.... |
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