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相关概念视频

Phase Contrast and Differential Interference Contrast Microscopy01:26

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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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Updated: Jun 24, 2025

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
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使用基于扩散模型的相位转移造型测量来重建透明物体.

Qinghui Zhang, Feng Liu, Lei Lu

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    概括
    此摘要是机器生成的。

    本研究引入了一种使用扩散模型生成非别名边缘图案的新方法,用于透明物体的3D重建. 这种技术克服了折射和反射带来的挑战,使得精确的3D形状测量成为可能.

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    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
    • 3D计量学 3D计量学

    背景情况:

    • 阶段转移造型测量对于扩散表面的3D重建至关重要.
    • 由于光学现象如折射和多重反射,透明物体带来了重大挑战,导致模式别名化.
    • 现有的方法难以准确地对透明物体进行3D测量.

    研究的目的:

    • 分析透明物体中异形边缘图案的形成.
    • 提出一种用于生成非别名边缘图案的新方法,用于透明的对象重建.
    • 使用传统结构光技术重建透明物体的3D几何.

    主要方法:

    • 在透明物体中对异形边缘图案形成的分析.
    • 使用扩散模型来学习前面表面光强度分布.
    • 从前面单独反射出来的非别名边缘图案产生.
    • 使用传统结构光与生成的图案重建3D形状.

    主要成果:

    • 成功生成了透明对象的非别名边缘图案.
    • 在看不见的透明对象数据上证明了拟议方法的可行性和性能.
    • 实现了透明物体准确的3D形状重建.

    结论:

    • 提出的基于扩散模型的方法有效地产生非别名的边缘模式,用于透明的对象3D重建.
    • 该方法显示了对局部透明和半透明对象的概括能力.
    • 这项工作突出了透明物体计量学可学习的基于扩散的框架的潜力.