Effects of orthognathic surgery on facial expressions

正颌手术对面部表情的影响

• 批准号: 09672098
• 负责人: TERADA Kazuto
• 金额: $ 2.24万
• 依托单位: Niigata University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1997
• 资助国家: 日本
• 起止时间: 1997 至 1998
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09672098/
• 关键词: Orthognathic surgery; Facial expression; Face model; Jaw defomity; Simulation; Rehabilitation; 顔モデル

The purpose of the present study was to investigate the effects of orthognathic surgery on facial expression by using a computer system, and to examine a training system for facial expression after treatment.A facial expression is defined as a movement of grid points in a generic three dimensional face model. A personal frontal face image was manually adjusted to a generic model. Facial expressions of a personal facial model could be produced according to Action Units on Facial Action Coding System.Six expressions (Surprise, Fear, Disgust, Anger, Happiness and Sadness) were produced from facial images before and after orthognathic surgery. Forty-two subjects estimated their expressions. Surprise, Fear and Disgust produced from a facail image after the treatment impressed deeply than before the treatment.It is useful to train for facial expressions, as a user shows and compares own facial expressions with facial expressions produced from user's frontal face image by this system.The present study was suggested to study the effect of orthognathic surgery on changing facial expressions.

本研究的目的是通过使用计算机系统来研究正交手术对面部表达的影响，并检查治疗后面部表达的训练系统。面部表达定义为通用三维面模型中网格点的运动。将个人额面图像手动调整为通用型号。个人面部模型的面部表情可以根据面部动作编码系统的动作单位产生。六种表达式（惊喜，恐惧，厌恶，愤怒，幸福和悲伤）是由矫形手术前后的面部图像产生的。四十二名受试者估计了他们的表情。令人惊讶的是，治疗后比治疗深度印象深刻的恐惧和厌恶。这对训练面部表情很有用，因为用户表明并将自己的面部表情与该系统用户的额叶脸部图像产生的面部表情进行了比较。目前的研究建议研究对矫形外科手术对改变面部表情的影响。