Far-focus compound ultrasound imaging with lag-one coherence-based zero-cross factor

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-07-04 DOI:10.3233/thc-231452

Chichao Zheng, Yi Tang, Yadan Wang, Yuanguo Wang, Hu Peng

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引用次数: 0

Abstract

BACKGROUND: Ultrasound imaging has been widely used in clinical examination because of portability, safety, and low cost. However, there are still some main challenges of imaging quality that remain in conventional ultrasound systems. OBJECTIVE: Improving image quality of SA-based methods using an improved imaging mode named far-focus compound (FSC) imaging. METHODS: A far-focus compound (FSC) imaging based on full-aperture transmission and full-aperture reception is proposed in this paper. In transmission, it uses the full aperture to transmit the focused beam to ensure image resolution and emission of sound field energy. In reception, the full aperture is used to receive the reflected beam to ensure the image quality. A lag-one coherence-based zero-cross factor (LOCZF) is then implemented in FSC for improvement of contrast ratio (CR). The LOCZF uses lag-one coherence as zero-cross factorâs adaptive coefficient. Comparisons were made with several other weighting techniques by performing simulations and experiments for performance evaluation. RESULTS: Results confirm that LOCZF applied to FSC offers a good image contrast and simultaneously the speckle pattern. For simulated cysts, CR improvement of LOCZF reaches 194.1%. For experimental cysts, CR improvement of LOCZF reaches 220%. From the in-vivo result, compared with FSC, CR improvement of LOCZF reaches 112.7%. CONCLUSION: Proved gCNR performance. In addition, the LOCZF method shows good performance in experiments. The proposed method can be used as an effective weighting technique for improvement of image quality in ultrasound imaging.

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利用基于滞后一相干性的零交叉因子进行远焦复合超声成像

背景：超声波成像因其便携性、安全性和低成本而被广泛应用于临床检查。然而，传统超声系统在成像质量方面仍面临一些主要挑战。目的：使用一种名为远焦复合成像（FSC）的改进成像模式来提高基于 SA 的方法的成像质量。方法：本文提出了一种基于全孔径传输和全孔径接收的远焦复合（FSC）成像。在传输时，它使用全孔径传输聚焦光束，以确保图像分辨率和声场能量的发射。在接收时，全孔径用于接收反射光束，以确保图像质量。然后，在 FSC 中采用基于滞后一相干性的零交叉因子（LOCZF）来提高对比度（CR）。LOCZF 使用滞后一相干性作为零交叉因子的自适应系数。通过模拟和实验，与其他几种加权技术进行了性能评估比较。结果：结果证实，将 LOCZF 应用于 FSC 可提供良好的图像对比度，并同时消除斑点模式。对于模拟囊肿，LOCZF 的 CR 提高了 194.1%。对于实验性囊肿，LOCZF 的 CR 提高了 220%。从体内结果来看，与 FSC 相比，LOCZF 的 CR 提高了 112.7%。结论：证明了 gCNR 的性能。此外，LOCZF 方法在实验中也表现出了良好的性能。所提出的方法可作为一种有效的加权技术，用于改善超声成像的图像质量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.