Pitch-sensitive Components Emerge from Hierarchical Sparse Coding of Natural Sounds.
Engin BumbacherVivienne MingPublished in: ICPRAM (2) (2012)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- natural images
- image classification
- unsupervised learning
- linear combination
- image representation
- generative model
- discriminative power
- single image super resolution
- group sparsity
- image patches
- feature space
- deep belief networks
- person re identification
- sparse codes
- musical instrument
- discriminative dictionary
- object category recognition
- visual words
- probabilistic model
- high dimensional
- denoising
- hierarchical models
- ground truth
- musical instruments
- pattern recognition
- high quality
- feature selection
- machine learning