Ball Falling
论文: Fan W , Wen C , Guo Y , et al. Rapid Localization and Extraction of Street Light Poles in Mobile LiDAR Point Clouds: A Supervoxel-Based Approach[J]. IEEE Transactions on Intelligent Transportation Systems, 2017, 18(2):292-305.
Section Ⅲ-A ~B
Ground Filtering
过滤地面点:RANSAC。
Supervoxel Generation
VCCS。
Localization
利用两个特点:
- 高
- 投影的凸包面积小
初始定位地图
- XY平面上栅格化,取最大高度*z’*在范围[hlow,hhigh]里。
- 投影:对于每个Grid, f k = ∑ e a c h p o i n t ∈ g k f ( z ) f_k = \sum_{each\ point\ \in\ g_k} f(z) fk=