Neural-based approach to perceptual sparse coding of audio signals.
Ramin PichevarHossein Najaf-ZadehFrédéric MustièrePublished in: IJCNN (2010)
Keyphrases
- sparse coding
- audio signals
- dictionary learning
- sparse representation
- natural images
- linear combination
- image classification
- unsupervised learning
- image representation
- generative model
- hidden markov models
- audio signal
- image patches
- visual words
- neural network
- feature space
- object recognition
- speaker identification
- human visual system
- feature extraction
- higher order
- multiscale
- gaussian mixture model
- high dimensional
- image retrieval