On human body moving object detection, the top of the moving object is located by vertical projection histogram, and the head and shoulder is located according to top position.

人体运动目标检测方面，利用纵向投影直方图确定运动目标的顶部位置，根据顶部位置来确定头肩区域。

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This action raised the possibility that a head-and-shoulders top was being formed with the left shoulder (LS) in July and the head (H) in October.

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