Shift-Invariance Sparse Coding for Audio Classification.
Roger B. GrosseRajat RainaHelen KwongAndrew Y. NgPublished in: UAI (2007)
Keyphrases
- sparse coding
- dictionary learning
- shift invariant
- shift invariance
- image classification
- unsupervised learning
- natural images
- sparse representation
- feature space
- pattern recognition
- feature extraction
- machine learning
- support vector
- linear combination
- image representation
- training set
- generative model
- feature vectors
- image processing
- text classification
- visual words
- multiscale
- image compression
- image patches
- model selection
- supervised learning
- small number
- wavelet transform
- training data
- feature selection