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公开(公告)号：US09064186B2
公开(公告)日：2015-06-23
申请号：US13991721
申请日：2010-12-09
申请人： Xiaohui Xie , Xiao Zeng , Yingfei Liu , Yanming Zou , Kongqiao Wang , Zhicheng Zhao , Anni Cai
发明人： Xiaohui Xie , Xiao Zeng , Yingfei Liu , Yanming Zou , Kongqiao Wang , Zhicheng Zhao , Anni Cai
CPC分类号： G06K9/6202 , G06K9/00751 , G06K9/00765
摘要： An example apparatus is caused to receive a video sequence of a plurality of frames, and perform a number of operations as each of at least some of the frames is received but before all of the frames are received. The apparatus is caused to calculate a score for the frame, and compare the score for the frame to a predefined threshold. The apparatus is caused to cause output of the frame as a key frame in an instance in which the frame is received within a specified period of time and the score for the frame is above the predefined threshold. Otherwise, in an instance in which none of the scores for frames received within the specified period of time is above the predefined threshold, the apparatus is caused to cause output of one of the frames received within the specified period of time as a key frame.
摘要翻译： 使得示例设备接收多个帧的视频序列，并且在接收到至少一些帧中的每一个之后但在接收到所有帧之前执行多个操作。 使该装置计算该帧的分数，并将该帧的得分与预定义的阈值进行比较。 导致该装置在帧的指定时间段内接收帧的情况下将帧的输出作为关键帧，并且帧的分数高于预定阈值。 否则，在指定时间段内接收到的帧的分数都不高于预定义阈值的情况下，使装置将指定时间段内接收到的一个帧的输出作为关键帧。
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公开(公告)号：US20130251274A1
公开(公告)日：2013-09-26
申请号：US13991721
申请日：2010-12-09
申请人： Xiaohui Xie , Xiao Zeng , Yingfei Liu , Yanming Zou , Kongqiao Wang , Zhicheng Zhao , Anni Cai
发明人： Xiaohui Xie , Xiao Zeng , Yingfei Liu , Yanming Zou , Kongqiao Wang , Zhicheng Zhao , Anni Cai
IPC分类号： G06K9/62
CPC分类号： G06K9/6202 , G06K9/00751 , G06K9/00765
摘要： An example apparatus is caused to receive a video sequence of a plurality of frames, and perform a number of operations as each of at least some of the frames is received but before all of the frames are received. The apparatus is caused to calculate a score for the frame, and compare the score for the frame to a predefined threshold. The apparatus is caused to cause output of the frame as a key frame in an instance in which the frame is received within a specified period of time and the score for the frame is above the predefined threshold. Otherwise, in an instance in which none of the scores for frames received within the specified period of time is above the predefined threshold, the apparatus is caused to cause output of one of the frames received within the specified period of time as a key frame.
摘要翻译： 使得示例设备接收多个帧的视频序列，并且在接收到至少一些帧中的每一个之后但在接收到所有帧之前执行多个操作。 使该装置计算该帧的分数，并将该帧的得分与预定义的阈值进行比较。 导致该装置在帧的指定时间段内接收帧的情况下将帧的输出作为关键帧，并且帧的分数高于预定阈值。 否则，在指定时间段内接收到的帧的分数都不高于预定义阈值的情况下，使装置将指定时间段内接收到的一个帧的输出作为关键帧。
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