A Vertex Concavity-Convexity Detection Method for Three-Dimensional Spatial Objects Based on Geometric Algebra.
Pengcheng YinJi-yi ZhangXiying SunDi HuZhifeng ShiChengyan WuPublished in: ISPRS Int. J. Geo Inf. (2020)
Keyphrases
- detection method
- spatial objects
- geometric algebra
- three dimensional
- spatial databases
- spatial data
- convex hull
- face detection
- topological relationships
- spatial clustering
- detection algorithm
- pose estimation
- mathematical framework
- r tree
- spatial relations
- d objects
- indexing techniques
- quadtree
- spatial relationships
- image sequences
- index structure
- range queries
- region detection
- computer vision
- feature space
- databases
- image formation
- feature vectors
- closely related