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Fall events are the external causes of injury in the elderly adults, even leading to disability and death. In this study, we used a weightless and wearable device with built-in tri-axial accelerometer and gyroscope to record 8 types of stimulated-falls and 6 types of different activities of daily living (ADL) preformed by 6 health young subjects. A threshold-based algorithm using our device was developed...
The linear accelerometer is called G-Sensor. It supplies the information of accelerating change when some motion happens. The current G-Sensor products in the market are supported by 3-dimension information. The G-Sensor becomes the one of consumer components in this trend of MEMS technology development. The applications using G-Sensor components are working in the current market, for example, to...
In this paper, a new rate adaptive control algorithm is proposed based on study of JPEG2000 rate control algorithm, in order to reduce the amount of bits sent to the arithmetic coder, without any significant changes into the standard architecture and without loosing performance. After wavelet transform, the coefficient is modeled as Gaussian distribution, but remove the offspring of the lowest frequency...
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