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Sensor Information Filter for Enhancing the Indoor Pedestrian Localization Accuracy

보행자의 실내 위치 추정 정확도 향상을 위한 다양한 센서 정보 필터

  • Kim, Jooyoung (Mechanical Engineering, Hongik University) ;
  • Lee, Sooyong (Mechanical and System Design Engineering, Hongik University)
  • Received : 2012.08.08
  • Accepted : 2012.11.07
  • Published : 2012.11.30

Abstract

Due to the low localization accuracy and the requirement of special infrastructure, current LBS(Localization Based Service) is limited to show P.O.I.(Point of Interest) nearby. Improvement of IMU(Inertial Measurement Unit) based deadreckoning is presented in this paper. Additional sensors such as the magnetic compass and magnetic flux sensors are used as well as the accelerometer and the gyro for getting more information of movement. Based on the pedestrian movement, appropriate sensor information is selected and the complementary filter is used in order to enhance the accuracy of the localization.

Acknowledgement

Supported by : National Research Foundation of Korea

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