[1] [1] VLSCHOW P, MNSTERER T, STROBEL M, et al.Display of real-time 3D sensor data in a DVE system［C］//Proceedings of SPIE, 2016:209-220.

[2] [2] MNSTERER T, SCHEUCH J, VLSCHOW P, et al.Capability comparison of pilot assistance systems based solely on terrain databases versus sensor DB fused data systems［C］//Proceedings of SPIE, 2016:31-43.

[4] [4] MNSTERER T, SCHAFHITZEL T, STROBEL M, et al.Sensor-enhanced 3D conformal cueing for safe and reliable HC operation in DVE in all flight phases［C］//Proceedings of SPIE, 2014:145-155.

[7] [7] ZHANG W M, QI J B, WAN P, et al.An easy-to-use airborne LiDAR data filtering method based on cloth simulation［J］.Remote Sensing, 2016, 8(6):501.

[10] [10] WAN P, ZHANG W M, SKIDMORE A K, et al.A simple terrain relief index for tuning slope-related parameters of LiDAR ground filtering algorithms［J］.ISPRS Journal of Photogrammetry and Remote Sensing, 2018, 143:181-190.