Discriminative Group Sparse Representation for Mild Cognitive Impairment Classification.
Heung-Il SukChong-Yaw WeeDinggang ShenPublished in: MLMI (2013)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse codes
- sparse coding
- feature extraction
- face recognition
- normal controls
- compressive sensing
- pattern recognition
- unsupervised learning
- image representation
- signal processing
- text classification
- high dimensional data
- image patches
- support vector
- high degree of accuracy
- blind source separation
- feature selection
- natural images
- dimensionality reduction
- machine learning
- svm classifier
- negative matrix factorization
- support vector machine
- mild cognitive impairment
- knn
- ad patients