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在实时脉冲回声音速成像中排除回声转移噪声
Parisa Salemi Yolgunlu1, Naiara Korta Martiartu1, Urs Richard Gerber1
1Institute of Applied Physics, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland.
Sensors (Basel, Switzerland)
|July 8, 2023
概括
这项研究引入了计算机超声波断层扫描在回声模式 (CUTE) 的新方法,以减少音速 (SoS) 成像中的工件. 该技术通过平均单个SoS地图来改善实时超声波成像,显著减少噪音引起的文物.
科学领域:
- 医疗成像医学成像
- 生物医学工程 生物医学工程
- 超声波技术 超声波技术 超声波技术
背景情况:
- 在回声模式 (CUTE) 中的计算机超声波断层扫描可实现实时组织音速 (SoS) 成像.
- 目前的方法通常会在体内产生人工物,原因是回声转移地图中的噪声.
- 精确的SoS映射对于先进的超声波应用至关重要.
研究的目的:
- 为CUTE开发和评估一种新型的工件减少技术.
- 为了提高手持式超声波设备获得的实时SoS地图的质量.
- 为了最大限度地减少回声转移数据中噪声引起的工件.
主要方法:
- 提出了一种从每个回声转移地图单独重建单个SoS地图的技术.
- 实现了个别SoS地图的加权平均,以生成最终的地图.
- 在模拟中使用数值幻象与模拟噪音验证了该技术.
主要成果:
- 拟议的方法产生了SoS地图,相当于与未被破坏的数据同时重建.
- 与传统方法相比,在受噪声破坏的数据中观察到显著减少的工件水平.
- 展示了文物减少技术的实时能力.
结论:
- 权重平均方法有效地减少了CUTE SoS地图中的工件.
- 这种技术提高了实时超声波成像用于诊断目的的可靠性.
- 该方法为改善体内超声波断层扫描提供了一个有希望的解决方案.
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