Transient acoustic signal classification using joint sparse representation.
Haichao ZhangNasser M. NasrabadiThomas S. HuangYanning ZhangPublished in: ICASSP (2011)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- acoustic signal
- sparse coding
- joint optimization
- acoustic signals
- compressive sensing
- face recognition
- sparse reconstruction
- support vector
- pattern recognition
- compressed sensing
- support vector machine
- reconstruction error
- dimensionality reduction
- high dimensional data
- test images
- machine learning
- sparse approximations
- negative matrix factorization
- norm minimization
- sparsity constraints
- image patches
- training samples
- image representation
- model selection
- decision trees
- random projections
- supervised learning
- image features
- regularized least squares
- feature vectors
- training set
- feature space
- data analysis
- object recognition