Facial Expression Recognition Utilizing Local Direction-Based Robust Features and Deep Belief Network.
Md. Zia UddinMohammad Mehedi HassanAhmad AlmogrenAtif AlamriMajed A. AlRubaianGiancarlo FortinoPublished in: IEEE Access (2017)
Keyphrases
- facial expression recognition
- expression classification
- feature extraction
- facial expressions
- human computer interaction
- image features
- expression recognition
- feature descriptors
- feature vectors
- feature set
- local binary pattern
- deep belief networks
- prior knowledge
- hidden markov models
- classification accuracy
- semi supervised
- facial images
- feature selection