Touch Analysis: An Empirical Evaluation of Machine Learning Classification Algorithms on Touch Data

• URL: http://arxiv.org/abs/2311.14195v1
• Date: Thu, 23 Nov 2023 20:31:48 GMT
• Title: Touch Analysis: An Empirical Evaluation of Machine Learning Classification Algorithms on Touch Data
• Authors: Melodee Montgomery, Prosenjit Chatterjee, John Jenkins, and Kaushik Roy
• Abstract summary: We propose a novel Deep Neural Net (DNN) architecture to classify the individuals correctly. When we combine the new features with the existing ones, SVM and kNN achieved the classification accuracy of 94.7% and 94.6%, respectively.
• Score: 7.018254711671888
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Our research aims at classifying individuals based on their unique interactions on touchscreen-based smartphones. In this research, we use Touch-Analytics datasets, which include 41 subjects and 30 different behavioral features. Furthermore, we derived new features from the raw data to improve the overall authentication performance. Previous research has already been done on the Touch-Analytics datasets with the state-of-the-art classifiers, including Support Vector Machine (SVM) and k-nearest neighbor (kNN), and achieved equal error rates (EERs) between 0% to 4%. Here, we propose a novel Deep Neural Net (DNN) architecture to classify the individuals correctly. The proposed DNN architecture has three dense layers and uses many-to-many mapping techniques. When we combine the new features with the existing ones, SVM and kNN achieved the classification accuracy of 94.7% and 94.6%, respectively. This research explored seven other classifiers and out of them, the decision tree and our proposed DNN classifiers resulted in the highest accuracy of 100%. The others included: Logistic Regression (LR), Linear Discriminant Analysis (LDA), Gaussian Naive Bayes (NB), Neural Network, and VGGNet with the following accuracy scores of 94.7%, 95.9%, 31.9%, 88.8%, and 96.1%, respectively.

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