A. UAS and lidar data: comparison, fusion and analysis

Topic 5: Advanced Analytics

UAS and lidar data: comparison, fusion and analysis

Outline

• Analysis of lidar and UAS DSMs differences
• Patching and smooth fusion of UAS and lidar DSM
• Overland flow simulation on fused DEM

Lecture

• Lecture Slides
• Lecture Recording: Fall 2024 (NCSU Only)
• In-Class Assignment Recording: Fall 2024 (NCSU Only)

Supplemental materials

• Drone LiDAR vs Photogrammetry: A Technical Guide, brief article from SPAR3D (online news on 3D technology: sensing, processing and visualization)
• Fusion of multi-scale DEMs using a regularized super-resolution method. Linwei Yue , Huanfeng Shen , Qiangqiang Yuan , Liangpei Zhang. International Journal of Geographical Information Science. Vol. 29, Iss. 12, 2015
• Petrasova et al. 2017, Fusion of high-resolution DEMs for water flow modeling. Open Geospatial Data, Software and Standards 2:6.

Assignment & Homework

Assignment 5A: Fusion of UAS and lidar data

• Optional, advanced topic: Python Scripting for UAS/lidar analysis in GRASS GIS