Efficient human pose tracking with multiplex sensing

John B. Burchett; Mohan Shankar; Steven D Feller; David J Brady

doi:10.1117/12.546788

15 September 2004 Efficient human pose tracking with multiplex sensing

John B. Burchett, Mohan Shankar, Steven D Feller, David J Brady

Proceedings Volume 5403, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense III; (2004) https://doi.org/10.1117/12.546788
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

We design and calibrate an efficient human detection system, capable of detecting and tracking a single person while minimizing the number of required sensors. Our infrared detectors have a 2 meter range and a 250ms rise/fall time. We sample their signal using an MSP430F149 microprocessor, correlate the results to reference patterns, and collect the binary decisions of each sensor on a workstation wirelessly. We modulate the optical field of the detectors by introducing selectively opaque reference structures into their optical path. Segmenting the physical space into signature cells enables direct measurement of source configuration. Brute force determination of the mapping is prohibitively expensive; we propose a method to estimate this mapping and predict signatures for every source position by observing signatures along prescribed tracks through the physical space.

Citation Download Citation

John B. Burchett, Mohan Shankar, Steven D Feller, and David J Brady "Efficient human pose tracking with multiplex sensing", Proc. SPIE 5403, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense III, (15 September 2004); https://doi.org/10.1117/12.546788

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