步态序列图像预处理就是从输入序列图像中检测人的运动，主要包括步态序列图像背景建模、前景检测和形念学后处理等工作。

The preprocessing of gait sequences is extract human motion from gait video. It mainly includes background model, foreground detection and morphological postprocessing.

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林肯小时候大约上了一年学，但也是这儿上几个月哪儿上几个月这样念的，之后他就是自学的。

After about a year of schooling as a boy—and that spread out in dribs and drabs of three months here and four months there—Lincoln taught himself.

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大树很沮丧，那两个小朋友走了之后，大树还在那里学他们的样子念车牌号。

Dashu was visibly sad, and kept on immitating the bigger kids trying to read the number well after they were gone.

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At the end of the day, I wound up starting in Math and Physics at Harvard, finishing an Applied Math and Economics and doing business.

最后，我跑去哈佛学了数学和物理，念完了应用数学和经济，跑去经商了。

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