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The elderly person’s life is almost full of hazards. Especially, the fall risk is one of the problems caused by the elderly and the people using prostheses. This paper aims to develop a fall prediction system on smartphones. The proposed App system can record users’ gait data sets with which their gait statuses regarding stability and symmetry are analyzed. A high-level fuzzy Petri net model is used...
A portable, low-cost optical oxygen sensor based on quenching of PtOEP emission is described. A CMOS image sensor was used as detector, while cross-polarization was used for signal isolation. At high oxygen concentrations, emission of PtOEP was quenched leading to changes in the red channel of the CMOS sensor, while the green and blue channels exhibited little signal change. Sensitivity of the integrated...
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