Sparse coding based features for speech units classification.
Pulkit SharmaVinayak AbrolAroor Dinesh DileepAnil Kumar SaoPublished in: Comput. Speech Lang. (2018)
Keyphrases
- sparse coding
- dictionary learning
- image classification
- feature space
- object category recognition
- feature vectors
- feature extraction
- feature set
- image features
- spatial pyramid matching
- sparse representation
- unsupervised learning
- natural images
- image representation
- svm classifier
- discriminative power
- discriminative dictionary
- generative model
- feature representation
- image patches
- class labels
- spatial information
- pattern recognition
- sparse codes
- co occurrence
- text classification
- support vector machine
- linear combination
- prior knowledge
- action recognition
- bag of words
- visual words
- decision trees
- high dimensional
- small number
- scene classification
- object recognition
- supervised learning
- signal processing