Detecting a fire, such as a fire in an aircraft cargo bay, includes receiving a plurality of frames of video information, determining an energy indicator for each of a subset of the plurality of frames, and detecting the presence of fire in response to the energy indicator for each of the subset of the...http://www.google.com.tw/patents/US7256818?utm_source=gb-gplus-share專利 US7256818 - Detecting fire using cameras
