It works on and realizes a way to analyze attack route based on analyzing motion focus, and resolves the problem on continuous ball detection and tracking.

研究和实现了基于运动焦点分析的进攻路线分析方法，解决了当前在视频中分析进攻路线时必须对足球进行连续探测和跟踪的难题。

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This paper introduces a ball-and-plate system developed in authors' laboratory. A fuzzy supervisory controller with multilayer control structure is designed aiming at the trajectory tracking problem.

本文介绍了研究室自主开发的板球系统实验平台，针对板球系统的轨迹控制问题设计了两层控制结构的监督模糊控制器。

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Suzuki stopped tracking the ball as it zipped by and hit off the wall.

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At the top of that list is Hawk-Eye, the ball tracking system already used in tennis and cricket that may soon stake its place in World Cup soccer.

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But the ball-tracking element of the DRS has shown that an awful lot of these appeals are out.

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