TY - JOUR A1 - Wang, X. A1 - Zhuang, Y. A1 - Zhang, Z. A1 - Cao, X. A1 - Yang, X. T1 - TIGHTLY-COUPLED INTEGRATION OF BLE AND PDR USING GRAPH OPTIMIZATION FOR INDOOR PEDESTRIAN NAVIGATION JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLVI-3/W1-2022 SP - 191 EP - 196 Y1 - 2022/04/22 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLVI-3-W1-2022/191/2022/ L1 - https://isprs-archives.copernicus.org/articles/XLVI-3-W1-2022/191/2022/isprs-archives-XLVI-3-W1-2022-191-2022.pdf DO - 10.5194/isprs-archives-XLVI-3-W1-2022-191-2022 ER -