Shift-Invariance Sparse Coding for Audio Classification
Roger B. GrosseRajat RainaHelen KwongAndrew Y. NgPublished in: CoRR (2012)
Keyphrases
- sparse coding
- dictionary learning
- shift invariant
- image classification
- shift invariance
- unsupervised learning
- sparse representation
- linear combination
- feature space
- natural images
- image representation
- feature extraction
- generative model
- machine learning
- support vector
- visual words
- text classification
- supervised learning
- high dimensional
- pattern recognition
- feature vectors
- computer vision
- high quality
- signal processing
- wavelet transform
- motion estimation
- support vector machine svm
- bag of words
- training set
- image processing
- feature analysis