Anita M. McKee

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This paper demonstrates the use of a bed-based optical pressure sensor array to unobtrusively recognize sitting and lying postures as well as lie-to-sit postural transitions. Young healthy, older healthy, older post-stroke, and older post-hip-fracture participants performed a bed entry and exit routine. Data was collected using a pressure sensor array and(More)
This paper proposes methods for evaluating a multisensor system consisting of several stethoscope chest pieces simultaneously recording and storing audio data for computer-aided analysis. To illustrate this concept, we use a circular array of microphones in a free-field homogeneous medium and use delay-and-sum beamforming to combine the received signals.(More)
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