Keyphrases
- visual tracking
- sparse coding
- appearance model
- sparse representation
- object tracking
- natural images
- image classification
- particle filter
- particle filtering
- linear combination
- unsupervised learning
- image representation
- generative model
- feature space
- robust object tracking
- robust visual tracking
- image patches
- object class
- subspace learning
- appearance modeling
- active appearance models
- object appearance
- video sequences
- high dimensional
- partial occlusion
- object shape
- visual words
- observation model
- tracking framework
- image segmentation
- face recognition