Therefore the automatic recognition technology of facial expression has received the researchers' extensive concern.

人脸表情自动识别技术因而受到了研究者们的广泛关注。

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Objective: To study the characteristics of executive function and its possible mechanism by Wisconsin card sorting test (WCST) and recognition of dynamic facial expression in patients with depression.

目的：通过威斯康星卡片分类测试(WCST)及动态面部表情识别任务，探讨抑郁症执行功能障碍特征及可能机制。

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Now, there're many methods of facial expression recognition, but research on expression intensity measurement hasn't been developed.

目前已有多种面部表情识别方法，但是对表情强度的度量并没有充分展开。

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