It is found out through studies that the degree of abstraction for a video shot is closely related to the precision of boundary division.

在研究中发现，视频镜头的抽象程度与对其进行边界划分的精度相关。

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It disturbs the precision of many shot detection algorithms.

光照变化严重干扰了许多镜头检测的精度。

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Extensive experiments carried out on TRECVID2007 database show that the proposed approach works well in detecting shot boundary measured by both recall and precision.

通过对TRECVID 2007数据库进行实验的结果表明，该算法在查全率和查准率方面都获得了较好的性能。

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Robert Pires' precision free-kick put Arsenal ahead and soon after Jose Antonio Reyes' run and angled shot exposed some lax Liverpool defending.

BBC: Arsenal 3-1 Liverpool

But Geena Davis, as a hot-shot TV reporter, is smashing: she strikes a lovely balance between warmth and satiric precision, and holds it in the midst of the general chaos.

NEWYORKER: Hero (1992)