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It is known that footsteps are useful to estimate human states. Recent years, the footstep analysis based on the Autoregressive (AR) model is adopted to achieve footstep based surveillance system. Accurate footstep analysis would be powerful tool in various applications, home security service, surveillance and understanding of human action since the gait expresses personality, age and gender. The...
It is known that a footstep is useful tool to estimate a human state. Various surveillance systems using footstep are proposed. In order to extract the effective feature of footstep, conventional technique require the time when the footstep is recorded. In this paper, the novel approach to detect the starting time of footstep is proposed.
Recently, researches for activity recognition with sensor data have been increased by the spread of smart phones with 3-axis accelerometers and gyroscopes. However, collecting various sensor data from many people is difficult. To solve this problem, we developed activity collecting platform using various client software. Moreover, annotating continuous activity data is also an important task. However,...
An electrosurgery is a fundamental operation that utilizes Joule heat generated by the passage of a radiofrequency current. Surgical simulators are demanded for training of the electrosurgical skill with fewer complications. However, foregoing simulators have never implemented a series of physics phenomena in electrosurgery. The aim of this study is to construct a surgical simulator with a unified...
A triple-band SiGe HBT differential VCO has been developed for the next generation multi-band and/or multi-mode wireless radios. It utilizes a reconfigurable multi-band resonator which is based on a dual-band resonator but can achieve a triple-band resonation by using a band-selective switch. The band-selective switch is comprised of a two-terminal SiGe HBT with base and collector short-circuited...
A triple-band SiGe HBT differential VCO has been developed for the next generation multi-band and/or multi-mode wireless radios. It utilizes a reconfigurable multi-band resonator which is based on a dual-band resonator but can achieve a triple-band resonation by using a band-selective switch. The band-selective switch is comprised of a two-terminal SiGe HBT with base and collector short-circuited...
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