Xin FuHengcai ZhangPeixiao Wang2025-05-142025-05-142021jz000145-0146https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/20370550Automatic Construction of Indoor 3D Navigation Graph from Crowdsourcing TrajectoriesArticlehttps://doi.org/10.3390/ijgi10030146