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题名:
Spatio-temporal contextforcodebook-baseddynamicbackground subtraction
作者: MingjunWu; XianrongPeng
刊名: Int.J.Electron.Commun.
出版日期: 2009
页码: 739-747
通讯作者: MingjunWu
文章类型: 期刊论文
中文摘要: In backgroundsubtraction,itischallengingtodetectforegroundobjectsinthepresenceofdynamicbackgroundmotions. The paperproposestwonewalgorithmstothisproblembyimprovingthecodebookmodelwiththeincorporationofthe spatial andtemporalcontextofeachpixel.Thespatialcontextinvolvesthelocalspatialdependencybetweenneighboring pixels,andthetemporalcontextinvolvestheprecedingdetectionresult.Onlythespatialcontextisincorporatedintothe first algorithmwhichmakesthebackgroundrepresentationmorecompactthanthestandardcodebook.Thesecondalgorithm explicitlymodelsthespatio-temporalcontextwithaMarkovrandomfieldmodel,thusachievingmoreaccurateforeground detection. Extensiveexperimentsonseveraldynamicscenesareconductedtocomparethetwoproposedalgorithmswith each otherandwiththestandardcodebookalgorithm.
英文摘要: In backgroundsubtraction,itischallengingtodetectforegroundobjectsinthepresenceofdynamicbackgroundmotions. The paperproposestwonewalgorithmstothisproblembyimprovingthecodebookmodelwiththeincorporationofthe spatial andtemporalcontextofeachpixel.Thespatialcontextinvolvesthelocalspatialdependencybetweenneighboring pixels,andthetemporalcontextinvolvestheprecedingdetectionresult.Onlythespatialcontextisincorporatedintothe first algorithmwhichmakesthebackgroundrepresentationmorecompactthanthestandardcodebook.Thesecondalgorithm explicitlymodelsthespatio-temporalcontextwithaMarkovrandomfieldmodel,thusachievingmoreaccurateforeground detection. Extensiveexperimentsonseveraldynamicscenesareconductedtocomparethetwoproposedalgorithmswith each otherandwiththestandardcodebookalgorithm.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/4995
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作者单位: 中国科学院光电技术研究所

Recommended Citation:
MingjunWu,XianrongPeng. Spatio-temporal contextforcodebook-baseddynamicbackground subtraction[J]. Int.J.Electron.Commun.,2009:739-747.
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