An Assessment of How Facial Mimicry Can Change Facial Morphology: Implications for Identification

被引：28
作者：
Gibelli, Daniele [1 ,2 ]
De Angelis, Danilo [2 ]
Poppa, Pasquale [2 ]
Sforza, Chiarella [1 ]
Cattaneo, Cristina [2 ]
机构：
[1] Univ Milan, Dipartimento Sci Biomed Salute, LAFAS, Milan, Italy
[2] Univ Milan, Dipartimento Sci Biomed Salute, Lab Antropol & Odontol Forense, Sez Med Legale & Assicuraz,LABANOF, Milan, Italy
来源：
JOURNAL OF FORENSIC SCIENCES | 2017年 / 62卷 / 02期
关键词：
forensic science; forensic anthropology; facial mimicry; stereophotogrammetry; root mean square (RMS); personal identification; clinical forensic medicine; 3-DIMENSIONAL MOTION ANALYSIS; MOVEMENT; REPRODUCIBILITY; ADULTS; SEX;
D O I：
10.1111/1556-4029.13295
中图分类号：
DF [法律]; D9 [法律]; R [医药、卫生];
学科分类号：
0301 ; 10 ;
摘要：
The assessment of facial mimicry is important in forensic anthropology; in addition, the application of modern 3D image acquisition systems may help for the analysis of facial surfaces. This study aimed at exposing a novel method for comparing 3D profiles in different facial expressions. Ten male adults, aged between 30 and 40 years, underwent acquisitions by stereophotogrammetry (VECTRA-3D (R)) with different expressions (neutral, happy, sad, angry, surprised). The acquisition of each individual was then superimposed on the neutral one according to nine landmarks, and the root mean square (RMS) value between the two expressions was calculated. The highest difference in comparison with the neutral standard was shown by the happy expression (RMS 4.11 mm), followed by the surprised (RMS 2.74 mm), sad (RMS 1.3 mm), and angry ones (RMS 1.21 mm). This pilot study shows that the 3D-3D superimposition may provide reliable results concerning facial alteration due to mimicry.
引用
收藏
页码：405 / 410
页数：6
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