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    • 3. 发明授权
    • Flame detecting method and device
    • 火焰检测方法及装置
    • US07868772B2
    • 2011-01-11
    • US12081078
    • 2008-04-10
    • Hao-Ting ChaoChung-Hsien LuYu-Ren HsuShen-Kuen ChangYi Chih ChenKun-Lin HuangCheng-Wei Wang
    • Hao-Ting ChaoChung-Hsien LuYu-Ren HsuShen-Kuen ChangYi Chih ChenKun-Lin HuangCheng-Wei Wang
    • G08B17/12
    • G08B17/125
    • A flame detecting method and device are provided to improve the accuracy of flame detection and reduce the possibilities of the false fire alarm. The flame detecting method and device capture a plurality of images of a monitored area; determines whether a moving area image exists in the plurality of images; analyzes at least one of a color model and a flickering frequency of the moving area image to generate a first analyzed result and compares the first analyzed result with a feature of a reference flame image; analyzes at least one of a variation of a location and an area of the moving area image to generate a second analyzed result and compares the second analyzed result with a predetermined threshold; and determines whether the moving area image is a flame image based on results of the comparing steps.
    • 提供火焰检测方法和装置,以提高火焰检测的准确性,并减少虚火警报的可能性。 火焰检测方法和装置捕获监视区域的多个图像; 确定所述多个图像中是否存在移动区域图像; 分析运动区域图像的颜色模型和闪烁频率中的至少一个,以生成第一分析结果,并将第一分析结果与参考火焰图像的特征进行比较; 分析移动区域图像的位置和区域的变化中的至少一个,以生成第二分析结果,并将第二分析结果与预定阈值进行比较; 并且基于比较步骤的结果来确定移动区域图像是否是火焰图像。