Geometric Feature-Based Facial Expression Recognition in Image Sequences Using Multi-Class AdaBoost and Support Vector Machines.
Deepak GhimireJoonwhoan LeePublished in: Sensors (2013)
Keyphrases
- multi class
- facial expression recognition
- large margin classifiers
- image sequences
- support vector
- recognition of facial expressions
- facial expressions
- multi class classification
- support vector machine
- human computer interaction
- binary classification
- learning machines
- object detection
- feature selection
- base classifiers
- human faces
- cost sensitive
- facial features
- multiple classes
- feature extraction
- image features
- pairwise
- error correcting output codes
- multiclass classification
- facial images
- face recognition
- video sequences
- computer vision
- multi class boosting
- three dimensional
- boosting algorithms
- local binary pattern
- face detection
- linear classifiers
- background subtraction
- kernel function
- feature points
- similarity measure
- cross validation
- moving objects
- feature vectors