A learning approach to hierarchical feature selection and aggregation for audio classification.
Paul RuvoloIan R. FaselJavier R. MovellanPublished in: Pattern Recognit. Lett. (2010)
Keyphrases
- feature selection
- unsupervised learning
- supervised learning
- classification accuracy
- feature extraction
- selective sampling
- feature space
- feature set
- hierarchical classification
- active learning
- text classification
- classification models
- multi task
- learning process
- pattern recognition
- markov blanket
- learning algorithm
- kernel learning
- feature construction
- feature subset
- hierarchical structure
- image classification
- mutual information
- decision trees
- machine learning
- learning problems
- high dimensionality
- dimensionality reduction
- training set
- reinforcement learning
- method for feature selection