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相关概念视频

Ultrasonography01:17

Ultrasonography

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
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相关实验视频

Updated: May 10, 2025

Three-Dimensional Ultrasonic Needle Tip Tracking with a Fiber-Optic Ultrasound Receiver
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高度合成孔径聚焦用于基于旋转阵列的三维超声波成像.

Ryo Murakami1, Yang Wang1, Yichuan Tang1

  • 1Department of Robotics Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, USA.

IEEE access : practical innovations, open solutions
|April 22, 2025
PubMed
概括
此摘要是机器生成的。

本研究介绍了用于3D超声波成像的高度合成孔径聚焦 (SAF) 算法. 这种新方法显著提高了图像分辨率和对比度,提高了医疗应用中的诊断能力.

关键词:
生物医学成像学 生物医学成像学专注于专注于专注的专注图像处理是图像处理的过程.医学诊断成像 医学诊断成像超声波成像技术 超声波成像技术

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Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System
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科学领域:

  • 医疗成像医学成像
  • 超声波技术 超声波技术 超声波技术
  • 信号处理 信号处理

背景情况:

  • 三维 (3D) 超声波 (美国) 是一个有价值的诊断工具,因为它的实时,非电离,和成本效益的性质.
  • 在传统的基于1D传感器的3D US中,高度分辨率有限,阻碍了诊断准确度.
  • 现有的方法通常需要复杂的道数据,这限制了它们的广泛采用.

研究的目的:

  • 开发和验证用于旋转3D美国成像的高度合成孔径聚焦 (SAF) 算法.
  • 为了提高3D US图像的高度分辨率和对比度.
  • 使用易于获得的数据创建商用扫描仪上可访问的算法.

主要方法:

  • 开发了一个高度SAF算法,适用于旋转的3DUS.
  • 该算法处理在平面内形成的射频 (RF) 数据,避免需要原始频道数据.
  • 通过数值模拟和实验幻象研究验证了算法.

主要成果:

  • 在高度分辨率方面取得了显著的改进,观察到高达96.4%的增加.
  • 在图像对比度方面表现出显著的增强,高达274.7%.
  • 该方法在使用可访问的射频数据来提高图像质量方面被证明是有效的.

结论:

  • 拟议的高度SAF算法为增强3D US图像质量提供了实际解决方案.
  • 这一进步具有很大的潜力,可以改善旋转3DUS的研究和临床应用.
  • 该算法的在商业扫描仪上的可访问性扩大了其在医学诊断中的适用性.