A Novel Space-Time Representation on the Positive Semidefinite Cone for Facial Expression Recognition.
Anis KacemMohamed DaoudiBoulbaba Ben AmorJuan Carlos Álvarez PaivaPublished in: ICCV (2017)
Keyphrases
- space time
- facial expression recognition
- facial expressions
- video sequences
- spatio temporal
- spatial and temporal
- positive semidefinite
- human computer interaction
- face recognition
- motion patterns
- positive semidefinite matrices
- semidefinite
- human faces
- feature extraction
- facial features
- facial images
- dynamic textures
- semidefinite programming
- kernel methods
- principal component analysis
- classification accuracy