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Kernel Parameter Optimization for Support Vector Machine Based on Sliding Mode Control
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DOI：10.1109/ACCESS.2022.3150001.png)
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Support Vector Machine (SVM) is a supervised machine learning algorithm, which is used for robust and accurate classification. Despite its advantages, its classification speed deteriorates due to its large number of support vectors when dealing with large scale problems and dependency of its performance on its kernel parameter. This paper presents a kernel parameter optimization algorithm for Support Vector Machine (SVM) based on Sliding Mode Control algorithm in a closed-loop manner. The proposed method defines an error equation and a sliding surface, iteratively updates the Radial Basis Function (RBF) kernel parameter or the 2-degree polynomial kernel parameters, forcing SVM training error to converge below a threshold value. Due to the closed-loop nature of the proposed algorithm, key features such as robustness to uncertainty and fast convergence can be obtained. To assess the performance of the proposed technique, ten standard benchmark databases covering a range of applications were used. The proposed method and the state-of-the-art techniques were then used to classify the data. Experimental results show the proposed method is significantly faster and more accurate than the anchor SVM technique and some of the most recent methods. These achievements are due to the closed-loop nature of the proposed algorithm, which significantly has reduced the data dependency of the proposed method.
Keyword:
Support vector machines
Kernel
Classification algorithms
Heuristic algorithms
Uncertainty
Statistics
Sociology
Support vector machine
sliding mode control
RBF kernel
2-degree polynomial kernel
optimal parameter
classification speed
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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