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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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相关实验视频

Updated: Jun 22, 2025

Determining 3D Flow Fields via Multi-camera Light Field Imaging
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Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

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一种新的动态光段3D重建方法,用于大范围传感.

Mengjuan Chen1, Qing Li1, Kohei Shimasaki1

  • 1School of Advanced Science and Technology, Hiroshima University, Higashihiroshima 739-8527, Japan.

Sensors (Basel, Switzerland)
|June 27, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种新的同步激光扫描方法,用于多尺度3D重建. 它在广泛的米尺度范围内实现了亚毫米精度,克服了现有系统的局限性.

关键词:
校准校准的时间动态的3D重建.照明部分的光线部分.多个光计的多个光计.

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Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture
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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

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相关实验视频

Last Updated: Jun 22, 2025

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Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture
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科学领域:

  • 计量学 计量学 计量学
  • 计算机视觉 计算机视觉
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 基于仪的激光扫描系统在多尺度3D重建中难以平衡精度和范围.
  • 对于动态激光器或相机的现有校准方法具有局限性.

研究的目的:

  • 开发一种用于同步激光扫描的新方法,以实现高精度,广泛的多尺度3D重建.
  • 为系统建立一个全面的几何模型和灵活的校准方法.

主要方法:

  • 同步激光扫描使用多电磁计来切换摄像头的视野 (FOV).
  • 动态相机,动态激光及其相互作用的全面几何建模.
  • 新型高精度校准方法,涉及错误模型构建和目标函数最小化.

主要成果:

  • 拟议的3D重建系统实现了0.3毫米的精度.
  • 测量范围扩展到1100mm×1300mm×650mm. 测量范围扩展到1100mm×1300mm×650mm.
  • 对于米尺度重建范围,已经证明了亚毫米精度.

结论:

  • 拟议的方法可以实现多尺度的3D重建.
  • 它实现了高精度和广泛的3D重建,适合工业应用.