Sparse coding based features for speech units classification.
Pulkit SharmaVinayak AbrolAroor Dinesh DileepAnil Kumar SaoPublished in: INTERSPEECH (2015)
Keyphrases
- sparse coding
- dictionary learning
- feature space
- image classification
- feature vectors
- feature extraction
- sparse representation
- object category recognition
- spatial pyramid matching
- feature set
- unsupervised learning
- natural images
- image patches
- image features
- svm classifier
- generative model
- linear combination
- class labels
- discriminative dictionary
- discriminative power
- machine learning
- supervised learning
- face recognition
- feature selection
- pattern recognition
- image representation
- decision trees
- bayesian networks
- feature representation
- support vector machine
- training samples
- visual words
- object recognition
- training set
- high dimensional
- reinforcement learning
- n gram
- co occurrence