Smartphone Based Classification System for Indoor Navigation

Abstract:

This paper introduces a smartphone-based classification system for an indoor environment of a walking person. The system relies only on smartphone inertial data and it can be considered as a smartphone-based aiding system for an indoor navigation. In addition, it does not need pre-installing of wireless network in the environment or heavily tuning process before the navigation run. Therefore, this system can be used as an aiding block where the person wants to localize himself in an indoor environment starting from known navigations point. This system categorizes person navigation in indoor environment into three types of classes: walking straight, turning right, and turning left. There is an ELM (Extreme Learning Machine)-Based neural network for deciding the class of the current navigation action. The evaluation measure shows that the best performance is obtained with the Radial Basis Function (RBF) as the activation function of the neural network. Also, the obtained accuracy rates up to 95%.

• Periodical: Applied Mechanics and Materials (Volume 775)
• Pages: 436-440
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.775.436
• Online since: July 2015
• Authors: Yazan Aljeroudi, Ari Legowo*, Erwin Sulaeman
• Keywords: Artificial Neural Network (ANN), Classification, GPS-Denied Navigation, Indoor Navigation, Navigation Aiding Block, On Line Extreme Learning Machine (ELM), Smartphone Based Navigation

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