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相关概念视频

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
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Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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相关实验视频

Updated: May 3, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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图像拼接用于实时腹腔镜超光谱成像.

Marie-Sophie von Braun1,2, Annekatrin Pfahl3, Andreas Melzer3,4

  • 1Innovation Center Computer Assisted Surgery (ICCAS), Faculty of Medicine, Leipzig University, 04103, Leipzig, Germany. vonbraun@informatik.uni-leipzig.de.

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PubMed
概括

一个新的超光谱成像 (HSI) 拼接管道允许手术期间自由手扫描. 这种方法提供了动态的,类似视频的可视化,以改善手术内组织评估.

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Applying Hyperspectral Reflectance Imaging to Investigate the Palettes and the Techniques of Painters
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科学领域:

  • 医学成像医学成像
  • 手术技术手术技术的使用
  • 光学光谱学是指光学光谱学.

背景情况:

  • 超光谱成像 (HSI) 提供了医学组织检测和 perfusion 评估的潜力.
  • 目前的腹腔镜HSI系统使用推扫扫描,需要患者和操作员的不动,限制了手术内使用.
  • 长时间的获取时间阻碍了实时手术应用.

研究的目的:

  • 开发一种用于手术内诊断的替代高光谱获取方法.
  • 为了实现腹腔镜超光谱成像的自由手线扫描.
  • 在手术过程中创建一个动态的,类似视频的超光谱数据可视化.

主要方法:

  • 开发了一个使用双传感器摄像头 (RGB和HSI) 的HSI接管道.
  • 应用从RGB视频转换到相应的HSI数据进行注册.
  • 拼接注册的HSI数据以创建一个无的全景,可视化为RGB视频上的叠加.

主要成果:

  • 管道成功生成了全球一致和详细的超光谱全景图.
  • 登记错误与推扫方法相比,在95%的案例中错误小于0.4毫米.
  • 该方法允许在自由手扫描期间动态增量可视化HSI数据.

结论:

  • 拟议的HSI接管道显著提高了手术内超光谱成像的可行性.
  • 自由手扫描与实时HSI可视化可改善外科手术评估能力.
  • 这项技术有助于更具动态性和详细的手术内组织分析.