Fast forest fire smoke detection using MVMNet

文献类型： 外文期刊

第一作者： Hu, Yaowen

作者： Hu, Yaowen;Zhan, Jialei;Zhou, Guoxiong;Chen, Aibin;Cai, Weiwei;Guo, Kun;Hu, Yahui;Li, Liujun

作者机构：

关键词： Forest fire smoke detection; Multioriented; Value conversion-attention mechanism; module; Softpool-spatial pyramid pooling; Mixed-NMS

期刊名称：KNOWLEDGE-BASED SYSTEMS （ 影响因子：8.139； 五年影响因子：8.153 ）

ISSN： 0950-7051

年卷期： 2022 年 241 卷

页码：

收录情况： SCI

摘要： Forest fires are a huge ecological hazard, and smoke is an early characteristic of forest fires. Smoke is present only in a tiny region in images that are captured in the early stages of smoke occurrence or when the smoke is far from the camera. Furthermore, smoke dispersal is uneven, and the background environment is complicated and changing, thereby leading to inconspicuous pixel-based features that complicate smoke detection. In this paper, we propose a detection method called multioriented detection based on a value conversion-attention mechanism module and Mixed-NMS (MVMNet). First, a multioriented detection method is proposed. In contrast to traditional detection techniques, this method includes an angle parameter in the data loading process and calculates the target's rotation angle using the classification prediction method, which has reference significance for determining the direction of the fire source. Then, to address the issue of inconsistent image input size while preserving more feature information, Softpool-spatial pyramid pooling (Soft-SPP) is proposed. Next, we construct a value conversion-attention mechanism module (VAM) based on the joint weighting strategy in the horizontal and vertical directions, which can specifically extract the colour and texture of the smoke. Ultimately, the DIoU-NMS and Skew-NMS hybrid nonmaximum suppression methods are employed to address the issues of smoke false detection and missed detection. Experiments are conducted using the homemade forest fire multioriented detection dataset, and the results demonstrate that compared to the traditional detection method, our model's mAP reaches 78.92%, mAP50 reaches 88.05%, and FPS reaches 122.(c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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