Nyström-based spectral clustering using airborne LiDAR point cloud data for individual tree segmentation.
Yong PangWeiwei WangLiming DuZhongjun ZhangXiaojun LiangYongning LiZuyuan WangPublished in: Int. J. Digit. Earth (2021)
Keyphrases
- spectral clustering
- point cloud data
- point cloud
- affinity matrix
- image segmentation
- normalized cut
- lidar data
- hough transform
- clustering method
- eigendecomposition
- pairwise
- data clustering
- segmentation algorithm
- spectral relaxation
- nonnegative matrix factorization
- clustering algorithm
- similarity matrix
- point sets
- k means
- graph laplacian
- low rank representation
- structure from motion
- graph partitioning
- low rank approximation
- multiple views
- co occurrence
- high resolution
- image processing
- feature selection
- computer vision