Sparse Representation for accurate classification of corrupted and occluded facial expressions.
Shane F. CotterPublished in: ICASSP (2010)
Keyphrases
- sparse representation
- facial expressions
- accurate classification
- face recognition
- object tracking
- facial expression recognition
- dictionary learning
- sparse coding
- classification accuracy
- classification algorithm
- human faces
- supervised learning
- facial images
- face images
- video sequences
- image patches
- illumination variations
- image classification
- facial features
- feature extraction
- image processing
- feature selection
- partial occlusion
- subspace learning
- machine learning
- signal processing
- dimensionality reduction
- image segmentation
- expectation maximization
- high dimensional data
- principal component analysis
- active learning
- prior knowledge
- training data