Combining Structured and Unstructured Randomness in Large Scale PCA.
Nikos KarampatziakisPaul MineiroPublished in: CoRR (2013)
Keyphrases
- principal component analysis
- structured data
- unstructured data
- real world
- unstructured text
- feature extraction
- dimensionality reduction
- covariance matrix
- face recognition
- principal components analysis
- real life
- principal components
- real time
- small scale
- textual data
- principle component analysis
- structured databases
- singular value decomposition
- semi structured
- case study
- linear discriminant analysis
- discriminant analysis
- low dimensional
- face images
- information extraction
- web scale
- database systems
- learning algorithm
- database
- appearance based object recognition