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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 16, 2025

Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration
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对于直线结构光传感器,具有虚拟点约束的高精度实用校准方法.

Yuanbo Mu, Qingzhou Mao, Haoxuan Xu

    Optics express
    |June 14, 2025
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    概括
    此摘要是机器生成的。

    这项研究引入了一种用于直线结构光传感器的新校准方法,大大提高了工程中的测量精度. 这种新方法提高了应用程序的精度,例如测量尺寸块和轨道形状测量.

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    相关实验视频

    Last Updated: Jun 16, 2025

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    Determining 3D Flow Fields via Multi-camera Light Field Imaging
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    Measuring Spatially- and Directionally-varying Light Scattering from Biological Material
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    科学领域:

    • 工程 工程师 工程师 工程师
    • 计量学 计量学 计量学
    • 光学测量系统 光学测量系统

    背景情况:

    • 在工程测量中,广的视野和广的视野深度会降低直线结构光传感器的准确性.
    • 现有的校准技术不足以减轻这些不良影响.

    研究的目的:

    • 为线结构光传感器开发高精度校准方法.
    • 为了克服由宽视野和大视野深度造成的精度限制.

    主要方法:

    • 校准对象设计和虚拟校准点提取.
    • 开发一个连续线性位移校准平台.
    • 详细的激光表面收集和描述,以加强校准.

    主要成果:

    • 在260-540毫米范围内的轨道轮测量时,达到0.007毫米的根平均平方误差 (RMSE) 和0.032毫米的轨道轮测量.
    • 与轻平面方法相比,显著提高了77.4%和86.9%的精度.
    • 在整个测量范围内保持高精度.

    结论:

    • 拟议的方法为线结构光传感器的高精度校准提供了实质性的进步.
    • 该技术在整个测量范围内保持精度,并使自动校准成为可能.
    • 这种方法对于各种工程应用具有显著的实用价值.