Shin Beom Ju Lee, Seok Kim Chulki KIM, JAE HUN Lee Taikjin Changdon Kee Hur Soo Jung Heonsoo Rhee 2024-01-12T17:05:11Z 2024-01-12T17:05:11Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/92244 English The Institute of Navigation pedestrian dead reckoning smartphone indoor navigation motion recognition Implementation and Performance Analysis of Smartphone-based 3D PDR System with Hybrid Motion and Heading Classifier Conference 1 IEEE/ION PLANS 2014 IEEE/ION PLANS 2014 US