Proposition of UAV multi-angle nap-of-the-object image acquisition framework based on a quality evaluation system for a 3D real scene model of a high-steep rock slope. - Mingyu Zhao; Jianping Chen; Shengyuan Song; Yongchao Li; Fengyan Wang; Sicong Wang; Dianze Liu (Int. J. Appl. Earth Obs. Geoinformation, 2023)