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    • 1. 发明授权
    • Method for tracking objects in videos using forward and backward tracking
    • 使用向前和向后跟踪跟踪视频中的对象的方法
    • US07756296B2
    • 2010-07-13
    • US11691886
    • 2007-03-27
    • Fatih M. PorikliXue MeiDirk Brinkman
    • Fatih M. PorikliXue MeiDirk Brinkman
    • G06K9/00H04N13/00
    • G06T7/20G06T2207/10016
    • A method tracks an object in a sequence of frames of a video. The method is provided with a set of tracking modules. Frames of a video are buffered in a memory buffer. First, an object is tracked in the buffered frames forward in time using a selected one of the plurality of tracking module. Second, the object is tracked in the buffered frames backward in time using the selected tracking module. Then, a tracking error is determined from the first tracking and the second tracking. If the tracking error is less than a predetermined threshold, then additional frames are buffered in the memory buffer and the first tracking, the second tracking and the determining steps are repeated. Otherwise, if the error is greater than the predetermined threshold, then a different tracking module is selected and the first tracking, the second tracking and the determining steps are repeated.
    • 一种方法跟踪视频帧的序列中的对象。 该方法具有一组跟踪模块。 视频的帧被缓存在存储器缓冲器中。 首先,使用所述多个跟踪模块中的所选择的一个,在缓冲帧中跟踪对象的时间。 第二,使用所选择的跟踪模块,在缓冲的帧中以时间向后跟踪对象。 然后,从第一跟踪和第二跟踪确定跟踪误差。 如果跟踪误差小于预定阈值,则将附加帧缓冲在存储器缓冲器中,并且重复第一跟踪,第二跟踪和确定步骤。 否则,如果误差大于预定阈值,则选择不同的跟踪模块,并重复第一跟踪,第二跟踪和确定步骤。
    • 2. 发明申请
    • Method for tracking objects in videos using forward and backward tracking
    • 使用向前和向后跟踪跟踪视频中的对象的方法
    • US20080240497A1
    • 2008-10-02
    • US11691886
    • 2007-03-27
    • Fatih M. PorikliXue MeiDirk Brinkman
    • Fatih M. PorikliXue MeiDirk Brinkman
    • G06T7/20
    • G06T7/20G06T2207/10016
    • A method tracks an object in a sequence of frames of a video. The method is provided with a set of tracking modules. Frames of a video are buffered in a memory buffer. First, an object is tracked in the buffered frames forward in time using a selected one of the plurality of tracking module. Second, the object is tracked in the buffered frames backward in time using the selected tracking module. Then, a tracking error is determined from the first tracking and the second tracking. If the tracking error is less than a predetermined threshold, then additional frames are buffered in the memory buffer and the first tracking, the second tracking and the determining steps are repeated. Otherwise, if the error is greater than the predetermined threshold, then a different tracking module is selected and the first tracking, the second tracking and the determining steps are repeated.
    • 一种方法跟踪视频帧的序列中的对象。 该方法具有一组跟踪模块。 视频的帧被缓存在存储器缓冲器中。 首先,使用所述多个跟踪模块中的所选择的一个,在缓冲帧中跟踪对象的时间。 第二,使用所选择的跟踪模块,在缓冲的帧中以时间向后跟踪对象。 然后,从第一跟踪和第二跟踪确定跟踪误差。 如果跟踪误差小于预定阈值,则将附加帧缓冲在存储器缓冲器中,并且重复第一跟踪,第二跟踪和确定步骤。 否则,如果误差大于预定阈值,则选择不同的跟踪模块,并重复第一跟踪,第二跟踪和确定步骤。