本设计采用视频分析技术，通过分析火焰的色彩特征，得到火焰的颜色阈值范围，从而实现在火灾发生发生初期对于火焰的监测目的。(This design adopts the video analysis technology, and obtains the color threshold range of flame through analyzing the color characteristics of flame, so as to achieve the purpose of monitoring the flame in the early stage of fire occurrence.)