Spatial data dimension reduction using quadtree: A case study on satellite-derived solar radiation.
Dazhi YangGary S. W. GohSiwei JiangAllan N. ZhangPublished in: IEEE BigData (2016)
Keyphrases
- dimension reduction
- spatial data
- quadtree
- solar radiation
- spatial objects
- multiresolution
- spatial databases
- data structure
- principal component analysis
- geographic information systems
- feature extraction
- high dimensional
- image representation
- r tree
- low dimensional
- high dimensional data
- feature selection
- feature space
- tree structure
- data analysis
- spatial queries
- high dimensionality
- geographical information systems
- singular value decomposition
- spatial index
- dimensionality reduction
- unsupervised learning
- linear discriminant analysis
- image classification
- remote sensing
- preprocessing
- databases
- face recognition
- object recognition
- cluster analysis
- similarity search