An Explainable AI-Based Modified YOLOv8 Model for Efficient Fire Detection

Md. Waliul Hasan, Shahria Shanto, Jannatun Nayeema, Rashik Rahman, Tanjina Helaly (), Ziaur Rahman and Sk. Tanzir Mehedi ()
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Md. Waliul Hasan: Department of Computer Science and Engineering, University of Asia Pacific, Dhaka 1216, Bangladesh
Shahria Shanto: Department of Computer Science and Engineering, University of Asia Pacific, Dhaka 1216, Bangladesh
Jannatun Nayeema: Department of Computer Science and Engineering, University of Asia Pacific, Dhaka 1216, Bangladesh
Rashik Rahman: Department of Computer Science and Engineering, University of Asia Pacific, Dhaka 1216, Bangladesh
Tanjina Helaly: Department of Computer Science and Engineering, University of Asia Pacific, Dhaka 1216, Bangladesh
Ziaur Rahman: School of Computer Science, Queensland University of Technology, Brisbane, QLD 4000, Australia
Sk. Tanzir Mehedi: Department of Computer Science and Engineering, University of Asia Pacific, Dhaka 1216, Bangladesh

Mathematics, 2024, vol. 12, issue 19, 1-21

Abstract: Early fire detection is the key to saving lives and limiting property damage. Advanced technology can detect fires in high-risk zones with minimal human presence before they escalate beyond control. This study focuses on providing a more advanced model structure based on the YOLOv8 architecture to enhance early recognition of fire. Although YOLOv8 is excellent at real-time object detection, it can still be better adjusted to the nuances of fire detection. We achieved this advancement by incorporating an additional context-to-flow layer, enabling the YOLOv8 model to more effectively capture both local and global contextual information. The context-to-flow layer enhances the model’s ability to recognize complex patterns like smoke and flames, leading to more effective feature extraction. This extra layer helps the model better detect fires and smoke by improving its ability to focus on fine-grained details and minor variation, which is crucial in challenging environments with low visibility, dynamic fire behavior, and complex backgrounds. Our proposed model achieved a 2.9% greater precision rate, 4.7% more recall rate, and 4% more F1-score in comparison to the YOLOv8 default model. This study discovered that the architecture modification increases information flow and improves fire detection at all fire sizes, from tiny sparks to massive flames. We also included explainable AI strategies to explain the model’s decision-making, thus adding more transparency and improving trust in its predictions. Ultimately, this enhanced system demonstrates remarkable efficacy and accuracy, which allows additional improvements in autonomous fire detection systems.

Keywords: fire detection; modified YOLOv8; deep learning; computer vision; explainable artificial intelligence; EigenCAM (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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