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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

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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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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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动态相位差异分析与数理论相位解封和交联投影的动态相位差异分析.

Zhimi Wei, Yiping Cao, Haitao Wu

    Optics express
    |June 11, 2024
    PubMed
    概括

    一种新的动态相差分别分析 (DPDP) 方法可以提高高速3D测量. 它同时实现了高计算效率,稳定性和重建速度.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 计算机视觉 计算机视觉
    • 计量学 计量学 计量学

    背景情况:

    • 高速3D测量要求高计算效率,算法稳定性和重建比率.
    • 现有的方法在同时优化这些参数时面临挑战.

    研究的目的:

    • 为高速3D测量提出一种新的动态相差分别分析 (DPDP) 方法.
    • 为了解决当前3D测量技术的局限性.

    主要方法:

    • 开发了一种DPDP方法,使用至少三种相位移的正弦形图案.
    • 引入了一个基于DPDP的数理论时间阶段解封 (NT-TPU) 算法,配有补充格子.
    • 实施了五基层交叉投影 (PIP) 策略,以改善重建比率.

    主要成果:

    • 通过直接解决相位差异,DPDP方法显著提高了计算效率.
    • 在放松的限制下,NT-TPU算法在相位解封中表现出高稳定性.
    • 该PIP策略提高了重建比率,每1.67个模式的重建为1次.

    结论:

    • 提出的DPDP方法成功地整合了高计算效率,算法稳定性和高重建比率.

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  • 这种技术显示出先进的高速3D测量应用的巨大潜力.