TY - GENERIC DO - 10.20944/preprints202305.1429.v1 UR - http://dx.doi.org/10.20944/preprints202305.1429.v1 TI - UAV Based 3D Photogrammetric Modelling in Underground Inaccessible Tunnel T2 - Preprints AU - Bibish, Baterdene AU - Toriya, Hisatoshi AU - Fissha, Yewuhalashet AU - Ikeda, Hajime AU - Owada, Narihiro AU - Sinaice, Brian Bino AU - Adachi, Tsuyoshi AU - Kawamura, Youhei PY - 2023 DA - 2023/05/19 PB - Preprints