Keyphrases
- sparse representation
- empirical mode decomposition
- face recognition
- non stationary
- dictionary learning
- stock market prediction
- sparse coding
- facial expressions
- compressive sensing
- multi band
- joint optimization
- image classification
- signal processing
- image patches
- intrinsic mode functions
- image representation
- compressed sensing
- face images
- hilbert huang transform
- high dimensional data
- wavelet decomposition
- eeg signals
- instantaneous frequency
- test images
- principal component analysis
- machine learning
- dimensionality reduction
- knn
- feature extraction
- image processing