Cardiotocography signal abnormality classification using time-frequency features and Ensemble Cost-sensitive SVM classifier.
Rongdan ZengYaosheng LuShun LongChuan WangJieyun BaiPublished in: Comput. Biol. Medicine (2021)
Keyphrases
- svm classifier
- cost sensitive
- support vector machine
- final classification
- support vector machine svm
- feature vectors
- multi class
- support vector
- training set
- svm classification
- binary classification
- cost sensitive learning
- cost sensitive classification
- image classification
- selected features
- informative features
- misclassification costs
- classification method
- kernel function
- support vector machine classifier
- imbalanced data
- base classifiers
- feature space
- feature subset
- multiclass classification
- fold cross validation
- classification accuracy
- machine learning
- feature selection
- training data
- hyperplane
- ensemble classifier
- class distribution
- binary classifiers
- naive bayes
- classification algorithm
- k nearest neighbor
- active learning
- class imbalance
- pattern recognition
- feature set
- classification error
- pairwise
- classification models
- semi supervised
- kernel methods
- data sets
- text classification