Hash-tree PCA: accelerating PCA with hash-based grouping.
Lkhagvadorj BattulgaSang-Hyun LeeAziz NasridinovKwan-Hee YooPublished in: J. Supercomput. (2020)
Keyphrases
- principal component analysis
- principal components analysis
- principal components
- dimensionality reduction
- face recognition
- principle component analysis
- covariance matrix
- feature space
- discriminant analysis
- appearance based object recognition
- linear discriminant analysis
- face images
- k means
- feature extraction
- tree structure
- low dimensional
- independent component analysis
- dimension reduction
- b tree
- r tree
- hash functions
- transitive closure
- pattern recognition
- kernel pca
- data structure
- index tree