https://avesis.metu.edu.tr/yayin/f5273646-0a7a-46a0-8212-3e9915ffe9b0/a-graph-signal-filtering-based-approach-for-detection-of-different-edge-typeson-airborne-lidar-data
A Graph Signal Filtering Based Approach for Detection of Different Edge Typeson Airborne LiDAR Data...