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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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Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
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Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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相关实验视频

Updated: Jul 6, 2025

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

Published on: December 3, 2013

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通过基于事件的结构光与时空编码的快速3D重建.

Jiacheng Fu, Yueyi Zhang, Yue Li

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    概括
    此摘要是机器生成的。

    这项研究介绍了一种基于事件的新型结构光系统和空间时间增强匹配 (STEM) 以实现高速3D重建. 通过利用双域编码和时空一致性,STEM实现了准确的深度映射.

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    Determining 3D Flow Fields via Multi-camera Light Field Imaging
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    相关实验视频

    Last Updated: Jul 6, 2025

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    Published on: December 3, 2013

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    Determining 3D Flow Fields via Multi-camera Light Field Imaging
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    A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors
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    科学领域:

    • 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
    • 3D 感应 3D 感应

    背景情况:

    • 基于事件的摄像头为高速应用提供低延迟和高动态.
    • 现有的基于事件的结构光方法往往忽视了深度估计的时空一致性.

    研究的目的:

    • 开发基于事件的结构光系统,采用新的时空编码策略.
    • 引入一个空间时间增强匹配 (STEM) 方法,以改善3D重建.

    主要方法:

    • 开发了一种结合激光点投影仪和事件摄像头的系统.
    • 一个时空编码策略被设计为双域深度编码在一个镜头.
    • 介绍了STEM方法,包括STE和STM算法,以利用时空协同作用.

    主要成果:

    • 拟议的方法实现了每秒16的高重建率.
    • 在0.72米的距离上,得到0.56毫米的低根平均平方误差.
    • STEM有效地整合了双域信息,以实现强大的匹配和准确的深度计算.

    结论:

    • 开发的基于事件的结构光系统和STEM方法显著提升了高速3D重建.
    • 与现有技术相比,该方法在准确性和速度方面表现出卓越的性能.
    • 在基于事件的数据中利用时空一致性对于可靠的深度估计至关重要.