DEMs generated from airborne LiDAR, photogrammetry, and InSAR are employed to test feasible of proposed methods.The main test area is at Nan-Hua Reservoir, Tainan.

• 本研究实验区为南化水库，分别测试了航测和光达的资料，实验结果证明内部精度的评估可以在无外在独立资料情况下，有效的估计DEM的精度。