Yoonsung Chae, D. T. Nguyen, Sangcheol Park, Youngil Park
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Indoor Localization Using Digital Auto Zoom of a Smart-Phone Camera and Integrated Sensors
In this paper, we introduce a new indoor localization system that receives a reference information from LED lamps and utilizes smart-phone sensors in tracking the device. To receive data from LED lamps placed at high ceiling, a digital auto zoom based optical camera communication (OCC) scheme is used in increasing the transmission distance. In addition, a magnetic sensor, a gyro sensor, and an acceleration sensor are effectively combined to realize a precise pedestrian dead reckoning (PDR) system. In this paper, we provide algorithms to implement the proposed schemes and show the experimental results.
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