Dictionary learning based sparse coefficients for audio classification with max and average pooling.
Syed ZubairFei YanWenwu WangPublished in: Digit. Signal Process. (2013)
Keyphrases
- dictionary learning
- sparse representation
- sparse coefficients
- sparse coding
- object category recognition
- image classification
- signal processing
- unsupervised learning
- group sparsity
- decision trees
- dimensionality reduction
- pattern recognition
- image patches
- computer vision
- data analysis
- training set
- machine learning
- image representation
- face recognition
- sparse codes
- feature selection