The experimental results show that this approach can automatically perform head-shoulder segmentation and locate the facial region with efficient, simple and fast computation.

实验证明该方法能够自动执行头肩分割，人脸定位，简单快速而且有效。

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That is why doctors advise people to perform monthly exams of all areas of skin, from the top of the head to the bottom of the feet.

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Her predecessor as CEO was ill for more than a year and really unable to perform his role as the head of the company.

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Penketh High School head teacher Jeff Hughes had promised to perform the dance at his school leavers' assembly if the pupils hit their targets.

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