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[期刊论文]

Intelligent segmentation of wildfire region and interpretation of fire front in visible light images from the viewpoint of an unmanned aerial vehicle (UAV)

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author:

Li, Jianwei (Li, Jianwei.) [1] | Wan, Jiali (Wan, Jiali.) [2] | Sun, Long (Sun, Long.) [3] | Unfold

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EI

Abstract:

The acceleration of global warming and intensifying global climate anomalies have led to a rise in the frequency of wildfires. However, most existing research on wildfire fields focuses primarily on wildfire identification and prediction, with limited attention given to the intelligent interpretation of detailed information, such as fire front within fire region. To address this gap, advance the analysis of fire front in UAV-captured visible images, and facilitate future calculations of fire behavior parameters, a new method is proposed for the intelligent segmentation and fire front interpretation of wildfire regions. This proposed method comprises three key steps: deep learning-based fire segmentation, boundary tracking of wildfire regions, and fire front interpretation. Specifically, the YOLOv7-tiny model is enhanced with a Convolutional Block Attention Module (CBAM), which integrates channel and spatial attention mechanisms to improve the model's focus on wildfire regions and boost the segmentation precision. Experimental results show that the proposed method improved detection and segmentation precision by 3.8 % and 3.6 %, respectively, compared to existing approaches, and achieved an average segmentation frame rate of 64.72 Hz, which is well above the 30 Hz threshold required for real-time fire segmentation. Furthermore, the method's effectiveness in boundary tracking and fire front interpreting was validated using an outdoor grassland fire fusion experiment's real fire image data. Additional tests were conducted in southern New South Wales, Australia, using data that confirmed the robustness of the method in accurately interpreting the fire front. The findings of this research have potential applications in dynamic data-driven forest fire spread modeling and fire digital twinning areas. The code and dataset are publicly available at https://github.com/makemoneyokk/fire-segmentation-interpretation.git. © 2024 International Society for Photogrammetry and Remote Sensing, Inc. (ISPRS)

Keyword:

Aircraft detection Convolutional neural networks Deep neural networks Deforestation Fire hazards Image segmentation Premixed flames Unmanned aerial vehicles (UAV)

Community:

  • [ 1 ] [Li, Jianwei]College of Physics and Information Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 2 ] [Wan, Jiali]College of Physics and Information Engineering, Fuzhou University, Fuzhou; 350116, China
  • [ 3 ] [Sun, Long]Key Lab Sustainable Forest Ecosyst Management, College of Forestry, Northeast Forestry University, Harbin; 150040, China
  • [ 4 ] [Hu, Tongxin]Key Lab Sustainable Forest Ecosyst Management, College of Forestry, Northeast Forestry University, Harbin; 150040, China
  • [ 5 ] [Li, Xingdong]College of Mechanical and Electrical Engineering, Northeast Forestry University, No. 26, Hexing Road, Harbin; 150040, China
  • [ 6 ] [Zheng, Huiru]School of Computing, Belfast BT15 1ED, Ulster University, United Kingdom

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Source :

ISPRS Journal of Photogrammetry and Remote Sensing

ISSN: 0924-2716

Year: 2025

Volume: 220

Page: 473-489

1 0 . 6 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

30 Days PV: 3

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