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Author Spotlight: Segmentation and VR for Advanced Neurovascular Interventions
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使用深度缓冲器进行多体积染,用于虚拟现实中的手术规划.

Balázs Faludi1, Marek Żelechowski2, Maria Licci3,4

  • 1Department of Biomedical Engineering, University of Basel, Basel, Switzerland. balazs.faludi@unibas.ch.

International journal of computer assisted radiology and surgery
|June 7, 2025
PubMed
概括

虚拟现实 (VR) 手术规划使用光线行进体积染进行详细可视化. 一种新的方法可以在虚拟现实中染多个交叉体积,确保复杂的手术规划的平稳性能.

关键词:
多体积染多体积染进行外科手术的计划.虚拟现实虚拟现实就是虚拟现实.

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科学领域:

  • 医学可视化医疗可视化
  • 计算机图形 计算机图形
  • 进行外科手术的计划.

背景情况:

  • 虚拟现实 (VR) 提供了对体积医疗数据的直观导航,增强了用于手术规划的深度感知.
  • 射线行进体积染与传统的基于网格的方法相比,提供了更高的细节和准确性,消除了对细分和网格的需求.
  • 在虚拟现实中染多个交叉体积是由于性能需求而面临的挑战.

研究的目的:

  • 开发和评估一种用于VR手术规划的新型多体积染技术.
  • 保持高更新率,以在具有复杂体积数据的VR环境中提供舒适的用户体验.
  • 为了使原始体积数据的动态操作,而不会影响染性能.

主要方法:

  • 使用运动跟踪控制器进行粗略的临时细分,以分离卷.
  • 卷以连续传递方式染,光线长度存储在深度缓冲器中,以获得准确的遮蔽.
  • 这种方法避免了表面网状提取,专注于有效染子体积.

主要成果:

  • 多体积染器成功地避免了每秒90的落,确保了舒适的VR体验.
  • 该方法支持染超过20个个体卷,证明了复杂的外科病例的可扩展性.
  • 在三个不同的用例和数据集中评估了性能.

结论:

  • 概念验证的实施验证了基于VR的手术规划系统的可行性.
  • 动态操纵体积数据是可以实现的,而不牺牲染性能或用户体验.
  • 这种技术增强了VR在复杂的手术规划和可视化方面的潜力.