一个开源的摄影计量工作流程,用于重建3D模型
1Center for Developmental Biology and Regenerative Medicine, Seattle Children's Research Institute, Seattle, WA 98101, USA.
Integrative organismal biology (Oxford, England)
|July 19, 2023
概括
本研究介绍了使用OpenDroneMap (ODM) 进行生物研究的负担得起的3D建模管道. 虽然ODM为粗略分析提供了准确的3D模型,但细微的差异可能会影响详细的形态学研究.
科学领域:
- 生物科学 生物科学
- 计算生物学 计算生物学
- 形态学 形态学 形态学
背景情况:
- 准确且经济的3D生物模型对于生物生物学研究至关重要.
- 结构从运动 (SFM) 摄影计为3D建模提供了一种灵活且低成本的方法.
- 依赖昂贵的商业软件和不够的准确性评估阻碍了生物学的摄影测量采用.
研究的目的:
- 通过使用OpenDroneMap (ODM) 和WebODM,提供一个负担得起的,开源的SFM光谱管道.
- 通过将其与微CT扫描进行比较,评估 ODM 衍生 3D 模型的几何精度.
- 为研究人员提供有关利用该管道用于3D生物模型生成的指导.
主要方法:
- 开发并实施了使用开源软件OpenDroneMap (ODM) 的SFM摄像度管道.
- 使用ODM管道获得15个*Aplodontia rufa* (山海) 头骨的3D模型.
- 通过将ODM衍生模型与相同标本的微CT扫描模型进行比较来评估几何准确性.
主要成果:
- ODM 管道生产了具有足够几何精度 (误差 ~2%) 的 3D 模型,用于粗度计和形态计分析.
- 在 ODM 和微CT 模式中都捕获了一致的形状变化模式.
- 模式之间的微妙差异可能会影响地标放置和下游形状分析,特别是在样本差异较低的情况下.
结论:
- 在许多应用中,ODM管道为3D生物建模提供了具有成本效益和准确的解决方案.
- 由于潜在的不准确性,研究人员不应将光谱和微CT衍生模型结合起来进行几何形态分析.
- 在使用SFM光谱模型进行详细的形态测量研究之前,建议先进行试点准确性测试.
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