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首页> 外文期刊>Otolaryngology--head and neck surgery: official journal of American Academy of Otolaryngology-Head and Neck Surgery >Assessment of the reproducibility of facial expressions with 3-D stereophotogrammetry.
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Assessment of the reproducibility of facial expressions with 3-D stereophotogrammetry.

机译：用3-D立体摄影测量法评估面部表情的可再现性。

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OBJECTIVE: There is little research into analyzing whether facial expression changes are secondary to actual treatment or normal day-to-day variation. This study aims to ascertain whether nine-facial expressions were reproducible. SUBJECTS AND METHODS: Thirty-nine white subjects performed nine-facial expressions, captured by three-dimensional stereophotogrammetry in three sessions. After initial capture (session 1), each expression was repeated after 15 minutes (session 2) and then 4 weeks (session 3) after the initial session. Statistical analysis was performed on the mean variability of facial landmarks between session 1 and 2 and session 1 and 3. RESULTS: Repose was the most reproducible expression. The least reproducible was "blow-out-the-cheeks." Analysis between session 1 and 2 showed no significant differences in expression reproducibility. Analysis between session 1 and 3 showed significant differences for the "smile-with-lips-open" and "blow-out-the-cheeks" expressions. CONCLUSION: Facial expressions are reproducible in a 15-minute period. There are significant differences in the ability to reproduce facial expressions 4 weeks apart for smile-with-lips-open
机译：目的：关于面部表情变化是继发于实际治疗方法还是正常的日常变化的研究很少。这项研究旨在确定九面部表情是否可重现。受试者和方法：39名白人受试者进行了9个面部表情的表达，并在3个疗程中通过三维立体摄影测量法进行了捕捉。初始捕获（会话1）后，在初始会话后15分钟（会话2）然后4周（会话3）后重复每个表达式。对会话1和2和会话1和3之间的面部标志的平均变异性进行了统计分析。结果：休息是最可重复的表达。再现性最低的是“吹牛”。会话1和2之间的分析显示，表达可重复性无显着差异。在第1阶段和第3阶段之间的分析显示，“张开嘴的微笑”和“脸颊吹开”的表达方式存在显着差异。结论：面部表情可在15分钟内再现。开唇笑容相距4周的面部表情重现能力存在显着差异

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