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用多行环阵列进行全乳房成像的3D频域全波形反转

Rehman Ali¹, Gaofei Jin², Melanie Singh²

¹Department of Imaging Sciences, University of Rochester Medical Center, Rochester, NY 14642 USA.

IEEE open journal of ultrasonics, ferroelectrics, and frequency control

|August 29, 2025

概括

这项研究引入了3D全波形反转用于乳房超声波断层扫描,提高了平面外分辨率. 与2D方法相比,新方法显著减少了图像重建错误.

科学领域:

医学成像
生物医学工程
超声波技术

背景情况:

二维频域全波形反转是高分辨率乳房超声波扫描的标准.
目前的切片式2D方法在平面内提供了良好的分辨率,但在平面外的分辨率较差.
提高异面分辨率对于全面的乳房体积重建至关重要.

研究的目的:

开发和评估一个完全三维的全波形反转 (3D FWI) 技术用于环阵超声波断层扫描.
使用多行环阵列传感器增强乳房成像中的异面分辨率.
通过使用圆柱形波传输来缩短获取和重建时间.

主要方法:

实现一个完全三维的全波形反转算法.
使用多行环阵列传感器进行数据采集.
使用圆柱形波传输来优化数据收集和处理.
在数字乳房幻影上测试拟议的3D FWI方法.

主要成果:

与传统的二维切片方法相比,3D FWI方法显示出更好的外平分辨率.
在测试的数字幻影中,三维FWI的平方根平均误差减少了6.3-13.7m/s.
使用圆柱形波传输有助于最大限度地减少采购和重建时间.

结论:

拟议的3D全波形逆转技术显著增强了体积性乳房超声波成像.
这种方法为乳房成像提供了更准确和更有效的方法,解决了二维方法的局限性.
这些发现表明,对于需要高分辨率3D乳房成像的临床应用,这是一个有前途的进步.

关键词:

三维成像超声波断层扫描圆柱形的波完全的波形反转

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