A Hierarchical Discriminative Sparse Representation Classifier for EEG Signal Detection.
Xiaoqing GuCong ZhangTongguang NiPublished in: IEEE ACM Trans. Comput. Biol. Bioinform. (2021)
Keyphrases
- sparse representation
- signal detection
- sparse codes
- dictionary learning
- sparse coding
- signal processing
- linear classifiers
- feature selection
- image classification
- discriminative power
- face recognition
- compressed sensing
- compressive sensing
- regularized least squares
- training data
- joint optimization
- image representation
- random projections
- feature space
- high dimensional data
- support vector machine
- image patches
- sparse approximations
- negative matrix factorization
- subspace learning
- sparsity constraints
- weak signal
- dimensionality reduction
- feature extraction
- training samples
- unsupervised learning
- semi supervised
- training set
- low signal to noise ratio
- image processing
- support vector
- machine learning
- learning algorithm
- sparse coefficients
- computer vision
- sparse reconstruction
- test images
- image segmentation
- object recognition
- probabilistic model
- natural images
- image reconstruction