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The development and application of a live transmitting head camera for video feedback in rugby decision making

机译：现场传输头相机的开发与应用，用于橄榄球决策中的视频反馈

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Previous studies have explored the use of head cameras in different scenarios, including sport training. Until recently, athletes had their practice recorded and such recording was used for feedback purposes. This approach is problematic as it does not allow for immediate feedback and does not provide a similar perspective to those athletes have when training. To overcome this a head camera was developed to record first-person perspective during real-life training situation. This camera consisted of 3 main components: a miniature camera with wide angle lens (140 degrees) and transmitter running on a 2.4 GHz frequency with a small helical antenna, a video relay device for increased line of sight between the transmitter and receiver, signal receiver device connected to a laptop computer with video review software. The camera components were mounted within a protective casing and inserted into a custom made rugby soft helmet, commonly known as headgear. The vantage point of the wearer is very different to conventional grandstand camera views and shows that different visual information is presented to an individual making decisions. Case study: A randomised control trial is to be performed consisting of three groups; a group using and viewing footage from the head mounted camera, a group viewing coaches' perspective, side of field footage and a control group with no video feedback. The players will complete a decision making drill and video feedback will be reviewed with players observing the movements of their teammates and surrounding opponents. Data will be recorded throughout the session measuring which video vantage point is associated with improvements in decision making.
机译：以前的研究探索了在不同场景中使用头部相机，包括运动培训。直到最近，运动员已经记录了他们的做法，并且这种录音用于反馈目的。这种方法是有问题的，因为它不允许立即反馈，并且没有向这些运动员提供类似的视角。为了克服这种头部相机，开发了在现实培训情况下记录第一人称的视角。本相机由3个主要组件组成：带有广角镜头（140度）和发射机的微型相机，在2.4 GHz频率上运行，具有小螺旋天线，用于在发射器和接收器之间增加视线的视频中继装置，信号接收器设备连接到带视频点评软件的便携式计算机。相机部件安装在保护壳内，并插入定制的橄榄球软头盔，通常称为头饰。佩戴者的有利点与传统的看台相机视图非常不同，并且表明将不同的视觉信息呈现给个人做出决定。案例研究：随机控制试验是由三组组成的;一组使用和查看头部安装的摄像头的镜头，一组观看教练的透视，现场镜头的一侧和没有视频反馈的控制组。球员将完成决策制作钻探，视频反馈将通过观察队友和周围对手的运动来审查。在整个会话中将记录数据，这些会话测量哪个视频有效点与决策的改进相关。

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