评估三维建模与摄影测量在从大坐骨切迹估测指定性别中的实用性

IF 0.8 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Chelsea Carrière , Sean D. Tallman
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引用次数: 0

摘要

通过大坐骨切迹(GSN)进行性别估计,传统上是通过物理/视觉检查和顺序评分来实现的;然而,这依赖于对形态的主观评估来进行类型学分类,可能无法反映人类的变异。三维(3D)摄影测量可提供一种技术先进、成本低廉且更客观的替代方法,用于评估解剖标志的复杂曲率。本研究通过将数字测量结果与骨骼元素测量结果进行比较,探索摄影测量法得出的三维模型的准确性,并简化曲率分析的应用,以便从 GSN 估算指定性别。这项研究利用了波士顿大学乔巴尼安& 阿韦迪西安医学院的 15 个骨骼个体(5 个女性,10 个男性)的左右髋骨。使用富士 X-Pro2 和富士 35 mm 素镜头拍摄了每个元素的 123 张图像,并在 AliceVision® 的 Meshroom 中进行处理,以创建三维纹理网格。网格被导出到 Blender 中进行清理、缩放、测量和曲率分析。不同测量方法和观测结果的一致性在 96.54 % 到 99.94 % 之间。与干骨测量的一致性相比,数字度量观测之间的一致性平均提高了 0.07%。此外,GSN 的曲率分析正确估计了样本中所有喙胫骨的性别。这项研究表明,摄影测量是一种准确可靠的遗骸数字化方法,与传统方法相比,它能使分析技术更好地捕捉骨骼的变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Assessing the utility of 3D modeling with photogrammetry in assigned sex estimation from the greater sciatic notch

Assessing the utility of 3D modeling with photogrammetry in assigned sex estimation from the greater sciatic notch

Assigned sex estimation via the greater sciatic notch (GSN) is traditionally performed via physical/visual examination and ordinal scoring; however, this relies on the subjective assessment of morphology for typological classification which may not be reflective of human variation. Three-dimensional (3D) photogrammetry may offer a technologically advanced, low cost, and more objective alternative to assess the complex curvature of anatomical landmarks. This research explores the accuracy of photogrammetry derived 3D models by comparing digital measurements to those obtained from the skeletal elements and to streamline the application of curvature analysis for the estimation of assigned sex from the GSN. This study utilizes the left and right os coxae from 15 skeletal individuals (5 females, 10 males) from the Boston University Chobanian & Avedisian School of Medicine. A Fujifilm X-Pro2 and Fujifilm 35 mm prime lens captured 123 images per element, which were processed in Meshroom by AliceVision® to create a 3D textured mesh. The mesh was exported into Blender for cleanup, scaling, measurement, and curvature analysis. The measurements were between 96.54 % and 99.94 % consistent across methods and observations. The consistency between digital metric observations increased by an average of 0.07 % when compared to the consistency of the dry bone measurements. Additionally, curvature analysis of the GSN correctly estimated the assigned sex of all os coxae in the sample. This study demonstrates that photogrammetry is an accurate and reliable method for the digitization of remains that enables analytical techniques to better capture skeletal variation compared to traditional methods.

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来源期刊
Forensic Imaging
Forensic Imaging RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
2.20
自引率
27.30%
发文量
39
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