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相关概念视频

Atomic Force Microscopy01:08

Atomic Force Microscopy

Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...
Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

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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Ultrasound-based computational fluid dynamics analysis of carotid artery hemodynamics in healthy and stenosed conditions.

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SNR analysis of multi-aperture ultrasound and photoacoustic imaging systems.

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3-D motion tracking and vascular strain imaging using bistatic dual aperture ultrasound acquisitions.

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相关实验视频

Updated: May 11, 2026

Fabrication and Characterization of Optical Tissue Phantoms Containing Macrostructure
10:22

Fabrication and Characterization of Optical Tissue Phantoms Containing Macrostructure

Published on: February 12, 2018

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基于组织学的微结构组织幽灵用于现实的超声波模拟.

Daniek A C van Aarle1, Richard G P Lopata1, Hans-Martin Schwab1

  • 1Photoacoustics and Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.

Ultrasonic imaging
|December 30, 2025
PubMed
概括

这项研究引入了一种使用组织微观结构创建现实的超声波模拟的新方法. 先进的数值幻影提高了超声波成像和数据生成的准确性.

科学领域:

  • 医疗成像医学成像
  • 生物医学工程 生物医学工程
  • 计算科学 计算科学

背景情况:

  • 超声波模拟对于传感器设计和图像分析至关重要.
  • 由于简化了组织模型,目前的模拟缺乏现实性.
  • 需要现实的幻影来训练数据与基础真相.

研究的目的:

  • 开发一种用于构建现实的二维数值组织幽灵的新框架.
  • 为了提高超声波模拟的准确性和现实性.
  • 为了生成高准确度的超声波训练数据.

主要方法:

  • 各种组织的组织学图像被细分为识别微观结构组件.
  • 基于细分,声学特性 (密度,声音速度) 被空间映射出来.
  • 一个伪光谱波溶解器被用于超声波模拟.
  • 模拟与使用定量指标的ex vivo数据进行了验证.

主要成果:

  • 这种新的框架成功地生成了现实的二维数值组织幽灵.
  • 使用这些幽灵的模拟显示,与基线相比,斑点图案的现实性得到了改善.
  • 定量分析证实了超声波模拟中的增强现实性.
关键词:
数据生成数据的数据生成.在模拟模型中.数字组织幻影.质地分析,质地分析.超声波模拟的超声波模拟

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  • 与CT数据的整合显示了针对患者的超声波数据集的潜力.

    • 结论:

    • 开发的框架允许基于组织学数据进行准确和现实的超声波模拟.
    • 这种方法显著提高了用于超声波研究的in silico幻影的真实性.
    • 该方法有望为各种应用生成现实的超声波数据集.