Using feature points and angles between them to recognise facial expression by a neural network approach.
Taihao LiCuifen DuTuya NarenZhiqiang ChenShupeng LiuJianshe ZhouXiaoyin XuPublished in: IET Image Process. (2018)
Keyphrases
- feature points
- facial expressions
- face images
- facial features
- facial expression recognition
- facial feature points
- human faces
- face recognition
- affine transformation
- expression recognition
- facial images
- image sequences
- face model
- point correspondences
- feature matching
- video sequences
- pose estimation
- camera parameters
- low resolution
- facial actions
- motion parameters
- camera motion
- gabor wavelets
- facial animation
- machine learning
- illumination variations
- data sets
- head motion
- active appearance models
- high quality
- multiscale
- feature vectors