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Indian Journal of Forensic Medicine and Pathology

Volume  14, Issue 3(Special Issue), July - September 2021, Pages 529-533

 

Original Article

Three-Dimensional Facial Morphometric Analysis: A reliability study Based on Facial Data of North Indian Population
Abhinav Sood1, Varsha Dogra2, Gayatri Pathmanathan3, Aanchal Dwivedi4
1Senior Research Scholar,3Assistant Professor, Department of Anthropology, 2Senior Research Scholar, Department of Environment Studies, Panjab University, Chandigarh 160014, Punjab, India, 4Senior Scientific Officer, Central Forensic Science Laboratory, Chandigarh 160036, Punjab, India.
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DOI: DOI: http://dx.doi.org/10.21088/ijfmp.0974.3383.14321.15

Abstract

ABSTRACT
context: Accuracy of Non-Invasive structure from motion photogrammetry technique for facial data measurement analysis. aim: The purpose of the study was to calculate reliable facial anthropometric measurementsusing 3D photogrammetry and its correlation with direct measurements. materials and method: Three-dimensional facial morphometry was investigated in a sample of 40 males and 40 females with structure from motion photogrammetry technique using specific software. Subjects ranged between 18 to 40 years belonging to the Rajput community in the Arki region of Solan district Himachal Pradesh. The subjects had no history of any facial deformity and had sound dentitions. For each subject, the facial and nasal indexes were measured and compared with previous studies. statistical analysis: The SPSS version 23.0 was used to determine the difference between the mean caliper and mean photogrammetry values. results: The study shows the pervasiveness in both male and female facial types hyper-leptoprosopic (very long face)with a mean facial index of 100.76 and 96.70 respectively. The nasal index calculated for males was 90.04 and for females was 78.96. The mean values were in acceptable agreement with the literature data gathered with direct methods. The results suggest that using SfM photogrammetry for facial measurements is accurate when compared with direct anthropometry. conclusions: The technique permits the non-invasive calculation of 3D linear measurements that could be applied in the field of physical anthropology, medical and forensic science.


Corresponding Author : Abhinav Sood