您甚至可以从mpeg影片中导出帧，不过那需要更深入地讨论，已经不在本文的范围之内。
You can even extract frames from your MPEG movies, although that deserves more discussion than I have space for in this article.
帧的范围中选择的跟踪是可见的深红色所示在擦洗酒吧。
The range of frames in which the selected tracker is visible is shown in dark-red in the scrub bar.
目标运动估计模块预测运动目标在下一帧中可能出现的位置，确定目标搜索范围。
The module of target motion estimating takes charge of forecasting the possible arisen location so as to confirm the scope of target searching.
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