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相关概念视频

Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
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相关实验视频

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Contrast Enhanced Vessel Imaging using MicroCT
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在相对比微CT中使用条件生成对抗网络进行空气工件抑制.

Md Motiur Rahman Sagar1, Lorenzo D'Amico2, Elena Longo2

  • 1Translational Molecular Imaging, Max-Plank-Institute for Multidisciplinary Sciences, Germany.

Journal of synchrotron radiation
|March 26, 2025
PubMed
概括

本研究介绍了一种使用条件生成对抗网络 (cGAN) 来在3D虚拟组织学中去除空气工件的新方法. 这项技术增强了用相位对比微型计算机断层扫描 (micro-CT) 扫描的甲固定,嵌 (FFPE) 肺组织的可视化和分析.

关键词:
FFPE肺组织的肺组织.空气工件抑制抑制抑制空气工件抑制有条件的GANs.阶段对比微型CT-CT.虚拟组织学虚拟组织学

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科学领域:

  • 生物医学成像技术 生物医学成像技术
  • 计算病理学计算病理学
  • 历史学 历史学 历史学

背景情况:

  • 阶段对比微型计算机断层扫描 (micro-CT) 允许在没有重离子染色的情况下对甲固定,嵌 (FFPE) 组织进行3D虚拟组织学.
  • 由于边缘效应,FFPE组织中被困的空气对微型CT中的3D可视化和结构分析构成重大挑战.

研究的目的:

  • 开发和验证一种新的工作流程,以消除FFPE组织的3D相位对比微型CT扫描中的空气工件.
  • 改进3D可视化,并促进受空气入影响的肺组织的结构分析.

主要方法:

  • 开发了一个基于条件生成对抗网络 (cGAN) 的工作流程,以用生成的组织取代空气工件区域.
  • 生成模型被训练来合成由周围形态学影响的组织结构.
  • 该方法在FFPE肺组织上进行了测试,并验证了可转移到猪肺样本的可用性.

主要成果:

  • 基于cGAN的工作流有效地从FFPE肺组织的相对照微型CT扫描中去除了空气工件.
  • 该方法显著改善了肺组织结构的可视化.
  • 对空气工件抑制扫描的结构分析显著缓解.

结论:

  • 拟议的cGAN工作流提供了一个强大的解决方案,用于减轻FFPE组织的3D虚拟组织学中的空气工件.
  • 这种技术增强了相对比微型CT的实用性,用于详细的形态研究和结构分析,特别是在挑战肺部等软组织时.
  • 证明的可转移性表明FFPE在不同的组织类型中具有广泛的适用性.