Sparse coding blind source separation through Powerl.
Harold SzuPornchai ChanyagornIvica KoprivaPublished in: Neurocomputing (2002)
Keyphrases
- blind source separation
- sparse coding
- sparse representation
- negative matrix factorization
- image classification
- natural images
- independent component analysis
- linear combination
- non stationary
- image patches
- image representation
- signal processing
- unsupervised learning
- face recognition
- dimensionality reduction
- speech signal
- neural network
- high dimensional
- visual words
- object recognition
- pattern recognition
- computer vision
- random projections
- data mining