Data processing: measuring – calibrating – or testing – Measurement system – Orientation or position
Reexamination Certificate
2008-03-14
2010-06-22
Wachsman, Hal D (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Orientation or position
C702S066000, C702S082000, C702S094000, C340S669000, C340S573100
Reexamination Certificate
active
07742894
ABSTRACT:
In the present invention, a multi-person pose recognition system has been developed. This system includes a body pose detection module, a CC2420DBK board and a multi-person pose monitoring software module. The body pose detection module includes a triaxial accelerometer, a Zigbee chip and an 8-bit microcontroller. Several body pose detection modules and the CC2420DBK board form a Zigbee wireless sensor network (WSN). The CC2420DBK board functions as the receiver of the Zigbee WSN and communicates with a robot onboard computer or a host computer through a RS-232 port. The multi-person pose monitoring software monitors and records activities of multiple users simultaneously. The present invention provides a pose recognition algorithm by combining time-domain analysis and wavelet transform analysis. This algorithm has been implemented in the microcontroller of a body pose estimation module. Through the algorithm, the system can recognize seven body poses: falling, standing, sitting, lying, walking, going upstairs and going downstairs.
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Chen Chun-Wei
Song Kai-Tai
Antonelli Terry Stout & Kraus LLP
Bui, Esq. Hung H.
Henson Mi'schita′
National Chiao Tung University
Wachsman Hal D
LandOfFree
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