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相关概念视频

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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Image-guided, Laser-based Fabrication of Vascular-derived Microfluidic Networks
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深度学习辅助的3D激光方向盘使用光流体激光扫描仪.

Chunqi Zhang1, Ruofeng Wei1, Hangjie Mo1

  • 1Department of Biomedical Engineering, City University of Hong Kong, Hong Kong SAR, 999077, China.

Biomedical optics express
|March 18, 2024
PubMed
概括

这项研究介绍了一种深度学习的3D激光转向策略,用于微创手术. 它克服了激光失焦,提高了手术应用的精度和范围.

科学领域:

  • 生物医学工程 生物医学工程
  • 医疗成像医学成像
  • 激光技术 激光技术 激光技术

背景情况:

  • 当前的激光扫描仪在3D手术环境中面临着失焦问题,限制了精度.
  • 在微创手术中,需要改进激光聚焦和延长工作距离的需求至关重要.

研究的目的:

  • 开发一种深度学习辅助的3D激光转向策略,以消除激光失焦.
  • 为了提高手术应用的激光扫描仪的工作距离和扫描范围.
  • 推出一种没有机械移动部件的光流体激光扫描仪.

主要方法:

  • 基于深度学习的单眼深度估计方法用于实时目标深度评估.
  • 一个光流体激光扫描仪被开发用于3D激光方向盘,可调节的焦距.
  • 为了评估系统的性能,进行了模拟和实验验证.

主要成果:

  • 提出的战略成功地消除了激光失焦在不同的目标深度.
  • 工作距离和扫描范围的显著增加得到了实现.
  • 光流体激光扫描仪展示了微型尺寸,轻量级设计和低驱动电压.

结论:

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  • 深度学习辅助的3D激光转向策略显示了改善微创手术的巨大潜力.
  • 开发的光流体激光扫描仪为3D激光方向盘提供了强大而精确的解决方案.
  • 这项技术可以提高外科手术的准确性,并使新的最小侵入性手术成为可能.