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相关概念视频

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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Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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相关实验视频

Updated: Jul 24, 2025

Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages
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Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages

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基于多个多分辨率重建算法的印刷电路板的快速托莫合成方法.

Hui Tang1, Tian Li1, Yu Bing Lin1

  • 1Laboratory of Image Science and Technology, School of Computer Science and Engineering, Southeast University, Nanjing, China.

Journal of X-ray science and technology
|July 10, 2023
PubMed
概括
此摘要是机器生成的。

一个新的多重多分辨率算法显著加快了印刷电路板 (PCB) 非破坏性测试的数字图解合成 (DTS). 这种更快的方法实现了6.5倍的速度改进,而不会牺牲重建质量.

关键词:
我们的LeNet LeNet多个分辨率的多个分辨率.这就是为什么PCB PCB.代的图像重建的重建.图莫合成 (tomosynthesis) 是一种体内合成的方法.

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Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo
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Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo

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Array Tomography Workflow for the Targeted Acquisition of Volume Information using Scanning Electron Microscopy
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相关实验视频

Last Updated: Jul 24, 2025

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Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages

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Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo
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Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo

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科学领域:

  • 非破坏性测试是一种非破坏性测试.
  • 图像重建 图像重建
  • 数字成像技术的数字成像.

背景情况:

  • 数字图解合成 (DTS) 为印刷电路板 (PCB) 检查提供了高分辨率.
  • 传统的DTS代算法是计算密集型的,限制了实时应用.
  • 处理大量高分辨率数据仍然是一个挑战.

研究的目的:

  • 开发一个计算高效的算法,用于PCB的高分辨率DTS重建.
  • 为了加速大量DTS数据的实时处理.
  • 为了保持图像质量,同时提高重建速度.

主要方法:

  • 提出了一种多重多分辨率算法,将体积和投影域战略结合起来.
  • 使用基于LeNet的网络在体积域中识别感兴趣区域 (ROI).
  • 实现了投影子集,以减少投影域中的冗余.

主要成果:

  • 拟议的算法实现了大约比全分辨率方法快6.5倍的重建速度.
  • 图像重建质量得到保留.
  • 在模拟和真实PCB数据上都证明了有效性.

结论:

  • 多重多分辨率算法为PCB的DTS重建提供了显著的加速.
  • 这种方法使PCB的快速,实时的非破坏性测试成为可能.
  • 该方法有效地平衡了计算效率和图像保真度.