Dimensionality reduction based on an overcomplete basis.
Yoshinori Nakanishi-OhnoTomoyuki ObuchiMasato OkadaYoshiyuki KabashimaPublished in: CoRR (2015)
Keyphrases
- dimensionality reduction
- sparse representation
- high dimensional data
- data representation
- feature extraction
- dimensionality reduction methods
- high dimensional
- manifold learning
- feature space
- artificial intelligence
- feature selection
- pattern recognition and machine learning
- data points
- structure preserving
- pattern recognition
- linear combination
- low dimensional
- principal component analysis
- image classification
- training set
- starting point
- high dimensionality
- computer vision
- social networks
- information retrieval
- intrinsic dimensionality
- small number
- linear dimensionality reduction
- knn