%0 Journal Article %T Efficient Method of Dim Small Target Detection for Scanning IR Surveillance System
扫描型红外预警系统中弱小目标的检测算法 %A HU Yong-sheng %A CHEN Qian %A QIAN Wei-xian %A GUAN Zhi-qiang %A
胡永生 %A 陈钱 %A 钱惟贤 %A 管志强 %J 光子学报 %D 2008 %I %X A mixed method of dim small target detection for scanning Infrared surveillance system based on area focal plane array (FPA) was presented.The method combined gray level morphology filter and target probability distribution function matching technique.The top-hat filter of gray level morphology could detect small targets defined by structure element efficiently.But detecting result of top-hat filter had a high false alarm ratio for discarding the intensity distribution information of target.The probability distribution function matching method used in mean-shift was imported for re-validating the detected targets.Results show that the presented method can restrain background clutter and reduce the false alarm ratio. %K Signal detection %K Infrared surveillance System %K Dim and small target %K Morphology filter %K Probability distribution function matching
信号检测 %K 红外预警系统 %K 弱小目标 %K 形态滤波 %K 概率分布匹配 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=9F6139E34DAA109F9C104697BF49FC39&aid=DFDE08252D8E62DBB88F5BE05C8B5958&yid=67289AFF6305E306&vid=42425781F0B1C26E&iid=708DD6B15D2464E8&sid=6B9B037011E85005&eid=5B41211CF7398ABF&journal_id=1004-4213&journal_name=光子学报&referenced_num=0&reference_num=7