Keyphrases
- appearance modeling
- sparse representation
- visual tracking
- object tracking
- appearance model
- particle filtering
- sparse coding
- particle filter
- image classification
- face recognition
- image patches
- data association
- partial occlusion
- mean shift
- video sequences
- image representation
- test images
- dimensionality reduction
- signal processing
- high dimensional data
- subspace learning
- computer vision
- lighting conditions
- manifold learning
- object class
- active appearance models
- illumination variations
- linear subspace
- feature selection