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    • 8. 发明授权
    • Tracking across multiple cameras with disjoint views
    • 跟踪不同角度的多台摄像机
    • US07450735B1
    • 2008-11-11
    • US10966769
    • 2004-10-16
    • Mubarak ShahOmar JavedKhurram ShafiqueZeeshan Rasheed
    • Mubarak ShahOmar JavedKhurram ShafiqueZeeshan Rasheed
    • G06K9/00
    • G06T7/292G06T2207/10016
    • Tracking and surveillance methods and systems for monitoring objects passing in front of non-overlapping cameras. Invention finds corresponding tracks from different cameras and works out which object passing in front of the camera(s) made the tracks, in order to track the object from camera to camera. The invention uses an algorithm to learn inter-camera spatial temporal probability using Parzen windows, learns inter-camera appearance probabilities using distribution of Bhattacharyya distances between appearance models, establishes correspondences based on Maximum A Posteriori (MAP) framework combining both spatial temporal and appearance probabilities, and updates learned probabilities throughout the lifetime of the system.
    • 跟踪和监视方法和系统,用于监视通过非重叠相机前方的对象。 本发明从不同的相机找到相应的轨道,并且确定通过相机前面的对象制成轨道,以便将对象从相机跟踪到相机。 本发明使用算法来使用Parzen窗口来学习相机间空间时间概率,使用出现模型之间的Bhattacharyya距离的分布来学习相机间外观概率,基于最大后验(MAP)框架建立对应关系,结合空间时间和外观概率 ,并在系统的整个生命周期中更新学习的概率。