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相关概念视频

Steps in the Modeling Process01:14

Steps in the Modeling Process

Albert Bandura's theory of observational learning identifies four critical processes: attention, retention, motor reproduction, and reinforcement or motivation.
Attention is the first necessary component for observational learning. It involves focusing on what the model is doing and saying. For example, if you decide to take a drawing class to enhance your skills, you need to pay close attention to the instructor's words and hand movements. The characteristics of the model significantly...

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相关实验视频

Updated: Jun 27, 2026

Scaled Anatomical Model Creation of Biomedical Tomographic Imaging Data and Associated Labels for Subsequent Sub-surface Laser Engraving SSLE of Glass Crystals
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Scaled Anatomical Model Creation of Biomedical Tomographic Imaging Data and Associated Labels for Subsequent Sub-surface Laser Engraving SSLE of Glass Crystals

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SlicerMorph摄影计:一个开源的摄影计工作流程,用于重建3D模型.

Oshane O Thomas1, Chi Zhang2, A Murat Maga1,3

  • 1Center for Development Biology and Regenerative Medicine, Seattle Children's Research Institute, Seattle, Washington, 98101, United States of America.

Biology open
|August 6, 2025
PubMed
概括
此摘要是机器生成的。

本研究介绍了一个开源的3D切片管道,用于创建精确的骨模型. 新方法提高了生态和进化研究的3D模型重建精度.

关键词:
三维形态测量3D形态测量开放的DroneMap可以使用.这是一种摄影计量技术 (photogrammetry).

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Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures
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科学领域:

  • 古生物学的古生物学
  • 计算生物学 计算生物学
  • 3D成像是3D成像中的一种.

背景情况:

  • 骨标本的高准确度三维 (3D) 模型对于生态和进化研究至关重要.
  • 现有的3D模型重建工作流程可能是复杂和耗时的.

研究的目的:

  • 在3D Slicer平台中呈现一个完全开源的管道,用于生成精确的3D骨架模型.
  • 为了提高科学分析的3D模型重建的准确性和效率.

主要方法:

  • 开发了一个 3D Slicer 扩展,集成使用 Segment Anything Model (SAM) 和通过 OpenDroneMap (NodeODM) 引擎进行表面重建的自动图像掩盖.
  • 拍摄了14个山海头骨,并使用新的管道和以前的工作流程重建了3D模型.
  • 使用平均表面距离,根平均平方误差 (RMSE),Hausdorff和Chamfer指标,将重建模型的准确性与微型CT参考进行了比较.

主要成果:

  • 与以前的工作流相比,改进的管道,包括SAM掩盖,将平均表面距离和RMSE减少了10-15%.
  • 在微妙的骨元素周围可见的文物,如斜臂,被减少了.
  • 豪斯多夫距离显示了最小的变化,表明了全球改善,而不是异常值的减少.

结论:

  • 新的开源管道为3D骨架模型重建提供了一个用户友好和准确的方法.
  • 这种集成的工作流提高了生态和进化研究的3D模型的质量.
  • 管道简化了掩盖,扩展和重建的过程,在一个单一的界面内进行.