SLAM dataset
Complex Urban Dataset
https://sites.google.com/view/complex-urban-dataset
// urban30: https://drive.google.com/drive/folders/1OizXFczlctIfFvfpw4R1klLDKJM-MznU
// urban38: https://drive.google.com/drive/folders/16Y3cSwN9BZcYUxQUO08yTwDtW5g_KWx1
gdown 1Tzd19kt6KvM3z0b2sFGGVOkPi3psbAl_
gdown 1e-I9hGoJu2VsoRbSVyGOqb0TXH8eFJUC
gdown 13D7RXtkwe3X60ZA4LTkonis6WSXbeUUQ
gdown 1nmANBVqiQbajSYhqZniah7YdFlNZa8SH
gdown 1TiKvndy65KFK_HZqqr198uuD2W5lIfE9
// urban39: https://drive.google.com/drive/folders/1HoHzXZlB-iaM034HKsjh_UIvdBty1ITu