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相关概念视频

Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...

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Updated: Jun 29, 2026

Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time
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超快速的3D透皮超高分辨率超声波使用行列阵列特定的基于一致性的束形和滚动的声学亚孔径处理:在体外,在子和在人体研究中.

Joseph Hansen-Shearer1, Jipeng Yan1, Marcelo Lerendegui1

  • 1Imperial College London, London, UK.

Ultrasound in medicine & biology
|May 3, 2024
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概括
此摘要是机器生成的。

这项研究开发了新的处理方法,以改进使用行列阵列的3D超分辨率超声波成像. 这些技术使得高质量的,非侵入性的微血管成像能够在体内用于研究和临床应用.

关键词:
三维超声波的使用方法梁成型 梁成型 梁成型一致性 一致性框架乘法和总和.高率/超高速成像成像图像重建 图像重建实时实时的时间.排列列列列的数组为一列列列的列.超分辨率超声波超声波的使用情况超声波定位显微镜的使用.

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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
  • 生物医学工程 生物医学工程

背景情况:

  • 超声波成像的传统二维矩阵阵列在通道数和视野方面存在局限性.
  • 排列列数组具有优势,但通常在体内图像质量较差,特别是在非侵入性应用中.
  • 提高图像质量对于超声波定位显微镜等先进的超声波技术至关重要.

研究的目的:

  • 开发图像形成和后处理方法,用于使用行列阵列的3D超分辨率超声波成像.
  • 为了提高行列数组的图像质量,用于非侵入性成像应用.
  • 为了证明超声波定位显微镜的可行性,在体内使用行列阵列.

主要方法:

  • 开发了一个包含滚动窗图像重建的处理管道.
  • 集成了一种特定的基于连贯性的行列列阵列光束成型与声学子光圈处理.
  • 实施了方法来减少二次叶片人工物和噪声,并增加有效的率.

主要成果:

  • 与直角平面波组合相比,在体外减少了"错误"位置,从~26%降至~15%.
  • 实现了~7dB的噪声降低,并将有效率提高到4000fps以上.
  • 成功地在体内产生了子脏和人类甲状腺的非侵入性超声波定位显微镜图像.

结论:

  • 证明,拟议的方法使得大视野超高分辨率的微血管成像能够使用行列阵列.
  • 在动物模型和人类中证实了非侵入性体内超分辨率超声波成像的可行性.
  • 开发的技术显著提高了行列数组的实用性,用于先进的医学成像.