Who Is Using the Phone? Representation-Learning-Based Continuous Authentication on Smartphones

Table 4

Comparison of authentication accuracy of machine learning algorithms with single MCBG.

Algorithm	KFG (%)	IFG (%)	SFG (%)
Support vector machine	84.72	66.32	46.99
Logistic regression	85.69	66.09	95.22
Naïve Bayes	85.51	64.22	62.37
C4.5 decision tree	89.51	63.30	86.69
Gradient boosting decision tree	92.70	69.29	93.97
Convolutional neural networks	93.92	92.95	95.43