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相关概念视频

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

4.7K
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...
4.7K

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相关实验视频

Updated: Jul 1, 2025

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

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基于深度学习的4K分辨率最小化光学系统设计.

Dexiao Meng, Yan Zhou, Jian Bai

    Applied optics
    |March 4, 2024
    PubMed
    概括

    我们开发了一种基于深度学习的光学设计方法,该方法集成了光学设计和图像处理. 这种极简主义的方法只用两个球形镜头实现高分辨率的4K成像,匹配复杂的镜头质量.

    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
    • 机器学习 机器学习

    背景情况:

    • 传统的光学系统通常依赖于复杂的镜头安排.
    • 将光学设计与图像处理集成为简化和提高性能提供了潜力.
    • 深度学习为优化成像系统设计提供了新的途径.

    研究的目的:

    • 提出一种使用深度学习的高分辨率,极简的光学设计方法.
    • 将光学设计原理与先进的图像处理算法相结合.
    • 开发一种新的方法来设计简化但高性能的成像系统.

    主要方法:

    • 研究了异常对计算成像的影响.
    • 开发了一种新的偏差度量和适用于图像识别的空间微变设计方法.
    • 使用点传播函数 (PSF) 成像模拟构建了一个数据集.
    • 采用非盲目消除模糊的计算成像来纠正空间变异异常.

    主要成果:

    • 实现了清晰的4K (5184×3888) 分辨率成像.
    • 使用了简约的光学设计,仅包括两个球形镜头.
    • 获得的图像质量与复杂的商用镜头相提并论.

    更多相关视频

    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution
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    Lensless Fluorescent Microscopy on a Chip
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    Lensless Fluorescent Microscopy on a Chip

    Published on: August 17, 2011

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    相关实验视频

    Last Updated: Jul 1, 2025

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

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    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution
    08:41

    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

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    Lensless Fluorescent Microscopy on a Chip
    11:23

    Lensless Fluorescent Microscopy on a Chip

    Published on: August 17, 2011

    17.7K

    结论:

    • 深度学习使高分辨率成像的最小化光学设计方法成为可能.
    • 拟议的方法有效地整合了光学设计和图像处理,以提高性能.
    • 这种技术为简化,高质量的成像系统提供了一条途径.