Dimensionality reduction for click-through rate prediction: Dense versus sparse representation.
Bjarne Ørum FruergaardToke Jansen HansenLars Kai HansenPublished in: CoRR (2013)
Keyphrases
- sparse representation
- dimensionality reduction
- high dimensional data
- dictionary learning
- sparse reconstruction
- random projections
- sparse coding
- image patches
- feature space
- unsupervised learning
- feature extraction
- low dimensional
- compressed sensing
- high dimensional
- image classification
- joint optimization
- pattern recognition
- click through rate
- compressive sensing
- principal component analysis
- face recognition
- data points
- high dimensionality
- data sets
- image representation
- linear combination
- data analysis
- neural network