A Survey on Human Face Expression Recognition Techniques.
I. Michael RevinaW. R. Sam EmmanuelPublished in: J. King Saud Univ. Comput. Inf. Sci. (2021)
Keyphrases
- expression recognition
- human faces
- facial expressions
- facial expression recognition
- face images
- face detection
- facial features
- face recognition
- lighting conditions
- facial images
- video sequences
- face model
- object detection
- human head
- illumination variations
- multiscale
- face databases
- face identification
- shape model
- detection method
- face verification
- skin color
- low resolution
- gabor features
- head movements
- feature vectors