Sparse coding of auditory features for machine hearing in interference.
Richard F. LyonJay PonteGal ChechikPublished in: ICASSP (2011)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- natural images
- feature space
- image classification
- basis vectors
- low level
- linear combination
- image features
- feature extraction
- signal processing
- higher order
- generative model
- unsupervised learning
- feature vectors
- data sets
- sparse codes
- co occurrence
- nearest neighbor
- prior knowledge
- visual words
- image patches
- invariant features
- multiscale
- discriminative power
- object category recognition