Research on Three-Dimensional Electronic Navigation Chart Hybrid Spatial Index Structure Based on Quadtree and R-Tree.
Yunong ZhangAnmin ZhangMiao GaoYi LiangPublished in: ISPRS Int. J. Geo Inf. (2022)
Keyphrases
- quadtree
- r tree
- tree structure
- data structure
- three dimensional
- index structure
- spatial objects
- spatial databases
- leaf nodes
- binary tree
- multiresolution
- multi dimensional
- range queries
- spatial data
- indexing method
- b tree
- access methods
- query processing
- image representation
- indexing structure
- spatial join
- spatial queries
- spatial index
- similarity search
- spatial access methods
- computer vision
- fractal encoding
- quad trees
- linear quadtree
- data distribution
- dimensional data
- spatial data structures
- frequent patterns
- machine learning
- efficient processing
- similarity measure
- bounding rectangle