ACO-optimized MobileNetV2-ShuffleNet hybrid model for automated dental caries classification

Document Type

Article

Publication Title

Scientific Reports

Abstract

Dental infections may result in severe health conditions when not diagnosed and responded to immediately. However, it is a difficult process that can take time and expertise to diagnose oral infections based on X-ray images. In this paper, a new method of dental caries classification based on the panoramic radiographic images is proposed, which is aimed at overcoming the class imbalance and weak anatomical differences. During the preprocessing stage, the clustering technique was used to form similar grouped data to balance the distribution of data, and the Sobel-Feldman edge technique was applied to emphasize critical features. MobileNetV2 and ShuffleNet models were also trained on the preprocessed set of data separately, but the classification ability was poor. A hybrid architecture was designed based on the combination of the strengths of the two models, so the level of precision increased. In a further effort to improve the performance of the model, Ant Colony Optimization (ACO) algorithm was incorporated to the hybrid framework. Addition of ACO made the classification highly accurate since it could perform an efficient global search and parameter tuning. The suggested ACO-enhanced hybrid approach showed better results with 92.67% accuracy than standalone networks which implies that the proposed model can be used on reliable and automated dental diagnosis.

DOI

10.1038/s41598-025-24375-z

Publication Date

12-1-2025

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