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SETSCI - Volume 5(2) (2022)
ISAS-WINTER-2022 - 6th International Symposium on Innovative Approaches in Smart Technologies, Online, Turkey, Dec 08, 2022

CNN Hyperparameters Optimization Using Random Search For Image Classification
Dala KRAYEM1, Asmaallah FALLAHA2, Mohamad Taj Eddin ASHOUR3, Saed ALQARALEH4*
1Hasan Kalyoncu University, Gaziantep, Turkey
2Hasan Kalyoncu University, Gaziantep, Turkey
3Hasan Kalyoncu University, Gaziantep, Turkey
4Hasan Kalyoncu University, Gaziantep, Turkey
* Corresponding author: saed.alqaraleh@hku.edu.tr
Published Date: 2022-12-22   |   Page (s): 34-37   |    189     8
https://doi.org/10.36287/setsci.5.2.007
ABSTRACT In the last decade, deep learning in general and Convolutional Neural Networks (CNN) have achieved a human level and outstanding performance in almost all computer-based systems such as classification(text, images, and videos). Building an efficient CNN architecture and finding the most suitable layers requires time. In addition, tuning and setting CNN parameters such as the number of filters, size of filters, Dense rate, Dropout value, etc., has an essential effect on the overall performance of the CNN model.

This paper investigated the effects of CNN hyperparameter optimizations using Random Search. To achieve our goals, we selected to investigate the hyperparameter optimizations of MobileNetV2 and VGG19 models when used for image classification. Here, we have combined four mask detection datasets of approximately 6K, 12K, 4k, and 4k  images into one dataset.

Overall, the results of the experimental works showed that using the hyperparameter optimization technique improved the overall performance of both MobileNetV2 and VGG19 models. In addition, VGG19 outperformed MobileNetV2 across Accuracy, Precision, recall, and F1 score evaluation matrixes.
KEYWORDS CNN, Deep learning, image classification, random search, hyperparameter optimization, Neural Architecture Search
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[2] Li, L., & Talwalkar, A. (2020, August). Random search and reproducibility for neural architecture search. In Uncertainty in artificial intelligence (pp. 367-377). PMLR.

[3] Mellor, J., Turner, J., Storkey, A., & Crowley, E. J. (2021, July). Neural architecture search without training. In International Conference on Machine Learning (pp. 7588-7598). PMLR.

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[8] Teboulbi S, Messaoud S, Hajjaji MA, Mtibaa A., “Face Mask Classification Based on Deep Learning Framework,” InAdvanced Practical Approaches to Web Mining Techniques and Application, pp. 175-188, IGI Global, 2022.

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