Clustering of video-patches on Grassmannian manifold for facial expression recognition from 3D videos.
Munawar HayatMohammed BennamounAmar A. El-SallamPublished in: WACV (2013)
Keyphrases
- facial expression recognition
- dynamic textures
- facial expressions
- video sequences
- video frames
- recognizing facial expressions
- video data
- human computer interaction
- video database
- video analysis
- human activities
- facial actions
- facial expression analysis
- key frames
- expression recognition
- temporal coherence
- face recognition
- video images
- space time
- human faces
- expression classification
- human actions
- feature extraction
- spatial and temporal
- facial features
- local binary pattern
- moving camera
- low dimensional
- image sequences
- facial images
- face images
- face detection
- data points
- subspace learning
- high dimensional data
- video surveillance
- spectral clustering
- object detection
- dynamic scenes
- appearance model