Computer Vision: A Modern Approach
Computer Vision: A Modern Approach
A Bayesian Framework for Extracting Human Gait Using Strong Prior Knowledge
IEEE Transactions on Pattern Analysis and Machine Intelligence
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We introduce a setup for detailed and unobtrusive feet mapping in a room. Two cameras arranged in a stereo pair detect when an object touches ground by analyzing the occlusions on a fluorescent tape that is attached to the baseboard of a room. The disparity between both cameras allows localization of a person's feet and the calculation of step size and walking speed. People are separated from furniture such as chairs and tables by studying the occlusion duration. We present and discuss data-association and filtering algorithms and the algorithms that are needed for presence detection, step characterization and gaming.