Action unit classification for facial expression recognition using active learning and SVM.
Li YaoYan WanHongjie NiBugao XuPublished in: Multim. Tools Appl. (2021)
Keyphrases
- support vector machine svm
- active learning
- support vector
- support vector machine
- classification algorithm
- feature selection
- training set
- svm classifier
- classification method
- feature vectors
- machine learning
- classification accuracy
- pattern recognition
- generalization ability
- knn
- decision trees
- multi class classification
- svm classification
- selective sampling
- kernel function
- feature space
- decision boundary
- high classification accuracy
- fuzzy support vector machine
- text classification
- active learning framework
- semi supervised
- batch mode active learning
- improves the classification accuracy
- support vectors
- binary classification
- multiclass support vector machines
- multi class
- feature extraction
- class labels
- k nearest neighbor
- semi supervised learning
- training samples
- learning process
- annotation effort
- image classification
- unbalanced data
- support vector machine classifiers
- sample selection
- structured output
- ensemble classifier
- kernel methods
- random selection
- training data
- rare class
- labeled data
- text classifiers
- multiple kernel learning
- training examples
- data sets
- class imbalance
- generalization error