Keyphrases
- body parts
- scale and rotation invariant
- human walking
- motion tracking
- upper body
- video frames
- video sequences
- body posture
- human body
- human pose
- pose estimation
- human motion
- human activities
- action recognition
- mean shift
- object tracking
- visual tracking
- video surveillance
- motion analysis
- particle filter
- rotation invariance
- human actions
- particle filtering
- appearance model
- spatial and temporal
- texture features
- video data
- three dimensional
- image segmentation
- image regions
- texture descriptors
- scale space
- image features
- state space
- feature space
- feature extraction