Reconstruction of reflection ultrasound computed tomography with sparse transmissions using conditional generative adversarial network

IF 3.8 2区 物理与天体物理 Q1 ACOUSTICS
Zhaohui Liu , Xiang Zhou , Hantao Yang , Qiude Zhang , Liang Zhou , Yun Wu , Quanquan Liu , Weicheng Yan , Junjie Song , Mingyue Ding , Ming Yuchi , Wu Qiu
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Abstract

Ultrasound computed tomography (UCT) has attracted increasing attention due to its potential for early breast cancer diagnosis and screening. Synthetic aperture imaging is a widely used means for reflection UCT image reconstruction, due to its ability to produce isotropic and high-resolution anatomical images. However, obtaining fully sampled UCT data from all directions over multiple transmissions is a time-consuming scanning process. Even though sparse transmission strategy could mitigate the data acquisition complication, image quality reconstructed by traditional Delay and Sum (DAS) methods may degrade substantially. This study presents a deep learning framework based on a conditional generative adversarial network, UCT-GAN, to efficiently reconstruct reflection UCT image from sparse transmission data. The evaluation experiments using breast imaging data in vivo show that the proposed UCT-GAN is able to generate high-quality reflection UCT images when using 8 transmissions only, which are comparable to that reconstructed from the data acquired by 512 transmissions. Quantitative assessment in terms of peak signal-to-noise ratio (PSNR), normalized mean square error (NMSE), and structural similarity index measurement (SSIM) show that the proposed UCT-GAN is able to efficiently reconstruct high-quality reflection UCT images from sparsely available transmission data, outperforming several other methods, such as RED-GAN, DnCNN-GAN, BM3D. In the experiment of 8-transmission sparse data, the PSNR is 29.52 dB, and the SSIM is 0.7619. The proposed method has the potential of being integrated into the UCT imaging system for clinical usage.

Abstract Image

利用条件生成对抗网络重建稀疏传输的反射超声计算机断层扫描。
超声波计算机断层扫描(UCT)因其在早期乳腺癌诊断和筛查方面的潜力而受到越来越多的关注。合成孔径成像技术能够生成各向同性的高分辨率解剖图像,因此被广泛用于超声计算机断层扫描图像的反射重建。然而,通过多次传输从各个方向获取完全采样的 UCT 数据是一个耗时的扫描过程。尽管稀疏传输策略可以减轻数据采集的复杂性,但通过传统的延迟与求和(DAS)方法重建的图像质量可能会大幅下降。本研究提出了一种基于条件生成对抗网络(UCT-GAN)的深度学习框架,可从稀疏传输数据中高效地重建反射 UCT 图像。使用乳房活体成像数据进行的评估实验表明,所提出的 UCT-GAN 仅使用 8 次传输就能生成高质量的反射 UCT 图像,其质量可与 512 次传输数据重建的图像相媲美。从峰值信噪比(PSNR)、归一化均方误差(NMSE)和结构相似性指数测量(SSIM)等方面进行的定量评估表明,所提出的 UCT-GAN 能够从稀疏的传输数据中有效地重建高质量的反射 UCT 图像,其性能优于 RED-GAN、DnCNN-GAN 和 BM3D 等其他几种方法。在 8 个传输稀疏数据的实验中,PSNR 为 29.52 dB,SSIM 为 0.7619。该方法有望集成到 UCT 成像系统中用于临床。
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
Ultrasonics
Ultrasonics 医学-核医学
CiteScore
7.60
自引率
19.00%
发文量
186
审稿时长
3.9 months
期刊介绍: Ultrasonics is the only internationally established journal which covers the entire field of ultrasound research and technology and all its many applications. Ultrasonics contains a variety of sections to keep readers fully informed and up-to-date on the whole spectrum of research and development throughout the world. Ultrasonics publishes papers of exceptional quality and of relevance to both academia and industry. Manuscripts in which ultrasonics is a central issue and not simply an incidental tool or minor issue, are welcomed. As well as top quality original research papers and review articles by world renowned experts, Ultrasonics also regularly features short communications, a calendar of forthcoming events and special issues dedicated to topical subjects.
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