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DOI: 10.14569/IJACSA.2022.0130420
PDF

Performance Evaluation of Different Supervised Machine Learning Algorithms in Predicting Linear Accelerator Multileaf Collimator Positioning’s Accuracy Problem

Author 1: Hamed S. El-Ghety
Author 2: Ismail Emam
Author 3: AbdelMagid M. Ali

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 13 Issue 4, 2022.

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Abstract: Radiation Oncology is one of the businesses that employs Machine Learning to automate quality assurance tests so that errors and defects can be reduced, avoided, or eliminated as much as possible during tumor therapy using a Linear Accelerator with MultiLeaf Collimator (Linac MLC). The majority of Machine Learning applications have used supervised learning algorithms rather than unsupervised learning algorithms. However, in most cases, there is a clear bias in deciding which supervised machine learning algorithm to use. And prediction findings may be less accurate as a result of this bias. As a result, in this study, an evidence is presented for a novel application of Logistic Regression technique to predict Linac MLC positioning accuracy, which achieved 98.68 percent prediction accuracy with robust and consistent performance across several sets of Linac data. this evidence was obtained by comparing the performance of various supervised machine learning algorithms (i.e. Logistic Regression, Decision Tree, Support Vector Machine, Random Forest, Naive Bayes, and K-Nearest Neighbor) in the prediction of Linac MLC's positioning accuracy problem using leaves' positioning displacement datasets with labelled results as training and test datasets. For each method, two parameters were used to evaluate performance: prediction accuracy and the receiver operating characteristics curve. Based on that evaluation, the right selection sequence was proposed for supervised Machine Learning algorithms in order to achieve near-optimal prediction performance for Linac MLC's leaf positioning accuracy problem. As a result, the selection bias, as well as the negative side effects (i.e. ineffective preventive maintenance plan for Linac MLC to avoid and solve causes of inaccurate leaf displacement such as motor fatigue and stuck problems) could have occurred were successfully avoided.

Keywords: Linear accelerators; logistic regression; performance evaluation; prediction methods; supervised learning

Hamed S. El-Ghety, Ismail Emam and AbdelMagid M. Ali, “Performance Evaluation of Different Supervised Machine Learning Algorithms in Predicting Linear Accelerator Multileaf Collimator Positioning’s Accuracy Problem” International Journal of Advanced Computer Science and Applications(IJACSA), 13(4), 2022. http://dx.doi.org/10.14569/IJACSA.2022.0130420

@article{El-Ghety2022,
title = {Performance Evaluation of Different Supervised Machine Learning Algorithms in Predicting Linear Accelerator Multileaf Collimator Positioning’s Accuracy Problem},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2022.0130420},
url = {http://dx.doi.org/10.14569/IJACSA.2022.0130420},
year = {2022},
publisher = {The Science and Information Organization},
volume = {13},
number = {4},
author = {Hamed S. El-Ghety and Ismail Emam and AbdelMagid M. Ali}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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