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With the development of economy, the progress of the society, a large warehouse, largepublic place of entertainment large space building is more and more. This makes thefire-fighting increasing difficulty, and People’s consciousness of fire control to enhance. Firehas to respond quickly, destructive is strong, not easy to control etc, So people need to firedetection equipment has a high standard.The traditional smoke type, sensitive type, temperature type and fire detectiontechnology has certain practicability, But they there are vulnerable to environmentaldisturbance, such as short service life of faults, Fire-fighting technology based on imageprocessing in the large space subvert the traditional fire detection technology developmentthought and give to the fire fighting equipment of the new understanding. Fire-fightingtechnology based on image processing in the large space, I am the main tasks: Videoacquisition module, image processing module, database module.This paper discusses the development process and future trends of fire detectiontechnology and analyses the research content in this system. Then, respectively, in the secondchapter, the third chapter, and the fourth chapter I have made the detailed analysis anddiscussion to video acquisition technology, database technology, image processingtechnology. The design of the algorithm is given and the software realization of the specificscheme and implementation process. Finally, in the fifth chapter, I showed this systemexperiment environment and the experimental results and analysis.
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