Recognizing Facial Expression Using Particle Filter Based Feature Points Tracker.
Rakesh TripathiR. AravindPublished in: PReMI (2007)
Keyphrases
- feature points
- facial expressions
- face images
- particle filter
- image sequences
- object tracking
- facial features
- video sequences
- robust tracking
- facial expression recognition
- head movements
- human faces
- visual tracking
- expression recognition
- appearance model
- point correspondences
- mean shift
- feature matching
- face model
- facial feature points
- facial actions
- face recognition
- facial images
- affine transformation
- pose estimation
- motion parameters
- motion model
- optical flow
- low resolution
- moving objects
- computer vision
- gabor wavelets
- camera motion
- head motion
- motion analysis
- state space
- feature descriptors
- human computer interaction
- active appearance models
- illumination variations
- feature vectors
- facial animation
- structure from motion
- machine learning