主管:中华人民共和国应急管理部
主办:应急管理部天津消防研究所
ISSN 1009-0029  CN 12-1311/TU

消防科学与技术 ›› 2022, Vol. 41 ›› Issue (10): 1430-1434.

• • 上一篇    下一篇

大型火灾图像数据集的设计及建立

李 璞1,张 苗2,杨 漪3   

  1. (1.郑州航空港经济综合实验区消防救援支队,河南 郑州 450000; 2.天津市和平区消防救援支队,天津 300090;3.西安科技大学,陕西 西安 710054)
  • 出版日期:2022-10-15 发布日期:2022-10-15
  • 作者简介:作者简介:李 璞(1986- ),女,河南郑州人,郑州航空港经济综合实验区消防救援支队工程师,主要从事消防监督管理、消防信息化建设研究,河南省郑州市金水区福元路158号河南省消防救援总队,450000。

Establish a large-scale fire image dataset

Li Pu1, Zhang Miao2,Yang Yi3   

  1. (1. Zhengzhou Airport Economy Zone Fire and Rescue Division, Henan Zhengzhou 450000, China; 2. Tianjin Heping Fire and Rescue Division, Tianjin 300090, China; 3. Xi'an University of Science and Technology, Shaanxi Xi'an 710054, China)
  • Online:2022-10-15 Published:2022-10-15

摘要: 摘 要:当前火灾图像识别方法主要依赖于大数据集,在样本不足时会出现探测结果不可靠。针对国内外普遍缺乏火灾图像样本的问题,根据火灾探测算法开发和评估需求,建立样本数量充足且包含多种应用场景的大型火灾图像数据集。为确保火灾图像数据集完备与有效,通过数据集开发并评估多个图像型火灾探测算法,分别对数据集的开发有效性和评估有效性进行试验。试验结果表明:数据集具有较好的普适性和有效性,可以为图像型火灾探测算法的研究提供基础平台。

关键词: 关键词:火灾图像, 火灾探测, 算法评估

Abstract: Abstract: Lithium iron phosphate(LiFePO4) batteries has advantages such as low risk, low cost, smooth discharge voltage and long life. It is especially suitable for large, high-power Lithium-ion battery systems. However, reports of thermal runaway accidents according to LiFePO4 batteries have gradually increased in recent years. The safety of LiFePO4 batteries has become a focus of attention. This paper presents an analytical review of LiFePO4 battery thermal runaway mechanism, material thermal stability and thermal behaviour during the runaway process, hoping to raise awareness of the safety of LiFePO4 batteries. The improvement of its safety performance is prospected.

Key words: Key words: LiFePO4, Lithium-ion battery, thermal runaway, mechanism, thermal behavior, safety performance