Discriminative sparse-based feature extraction and dictionary learning for sound classification applications.
Sanaz SeyedinRamin PichevarJean RouatPublished in: ISSPA (2012)
Keyphrases
- dictionary learning
- object category recognition
- feature extraction
- sparse representation
- sparse coding
- sparse codes
- image classification
- class specific
- face recognition
- feature selection
- discriminative dictionary
- discriminative power
- feature space
- group sparsity
- feature vectors
- pattern recognition
- natural images
- sparsity constraints
- unsupervised learning
- linear combination
- image processing
- machine learning
- dimensionality reduction
- support vector
- decision trees
- high dimensional
- image representation
- supervised learning
- support vector machine
- signal recovery
- active learning