Multi-Floor Indoor Trajectory Reconstruction Using Mobile Devices

作     者：Sultan Alamri Kartini Nurfalah Kiki Adhinugraha 

作者机构：College of Computing and InformaticsSaudi Electronic UniversityRiyadh11673Saudi Arabia School of ComputingTelkom UniversityBandung40257Indonesia Computer Science and Information TechnologyLa Trobe UniversityMelbourne3086Australia 

出 版 物：《Computer Modeling in Engineering & Sciences》 (工程与科学中的计算机建模（英文）)

年 卷 期：2021年第128卷第9期

页      面：927-948页

核心收录：

学科分类：08[工学] 081101[工学-控制理论与控制工程] 0811[工学-控制科学与工程] 081102[工学-检测技术与自动化装置] 

基　　金：This research was supported by the Scientific Research Deanship Saudi Electronic University(7732-CAI-2019-1-2-r) 

主　　题：Reconstruction indoor trajectory multi-floor accelerometer barometer magnetometer 

摘      要：An indoor trajectory is the path of an object moving through corridors and stairs inside a *** are various types of technologies that can be used to reconstruct the path of a moving object and detect its *** has been used for reconstruction in outdoor environments,but for indoor environments,mobile devices with embedded sensors are *** accelerometer sensor and a magnetometer sensor are used to detect human movement and reconstruct the trajectory on a single *** an indoor environment,there are many activities that will create the trajectory similar to an outdoor environment,such as passing along the corridor,going from one room to another,and other *** need to analyse trajectories to obtain the movement patterns,understand themost frequently visited places or paths used aswell as the least frequented ***,we can utilize movement patterns to obtain a better building design and *** latest studies focus on reconstructing the trajectory on a single ***,actual indoor environments are comprised of multi-floors and *** purpose of this paper is to reconstruct a trajectory in an indoor multi-floor *** have conducted extensive experiments to evaluate the performance of our proposed algorithms in a campus *** result of our experiment shows that the height of the building can be detected using a barometer sensor that gives an atmospheric pressure reading which is then transformed by setting the range value according to the number of floors,enabling the sensors to detect activity in a multi-floor *** readings obtained from the magnetometer sensor can be used to reconstruct the trajectory similar to the real path based on the direction and degree of *** system accuracy in recognizing steps in a multi-floor building is about 84%.