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Speed-of-sound ultrasound computed tomography based on bent ray tracing and multi-layer perceptron
2023-09-08
会议录名称2023 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS)
ISSN1948-5719
发表状态已发表
DOI10.1109/IUS51837.2023.10308147
摘要Ultrasound computed tomography (USCT) has become a promising technique for quantitatively characterizing soft tissues and identifying lesions, particularly in breast cancer detection. The speed of sound (SOS) maps obtained from USCT provide valuable information for this purpose. However, image reconstruction of SOS based on bent ray tracing is an ill-conditioned problem. Enforcing spatial continuity of the slowness map (reciprocal of SOS) which sacrifices spatial resolution can partly overcome this problem, but the reconstruction problem is still discretized and often unstable. In this work, we show that representing the slowness map as a continuous function of spatial coordinates using a multi-layer perceptron (MLP) greatly improves the stability and image quality of the reconstruction. Using the simulated data, the performance of our method is evaluated. © 2023 IEEE.
会议录编者/会议主办者IEEE ; IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society (UFFC)
关键词Deep learning Ultrasound computed tomography Multi-layer perceptron Bent ray tracing
会议名称2023 IEEE International Ultrasonics Symposium, IUS 2023
会议地点Montreal, QC, Canada
会议日期3-8 Sept. 2023
URL查看原文
收录类别EI
语种英语
出版者IEEE Computer Society
EI入藏号20234915175148
EI主题词Acoustic wave velocity
EISSN1948-5727
EI分类号461.4 Ergonomics and Human Factors Engineering ; 723.5 Computer Applications ; 741.1 Light/Optics ; 751.1 Acoustic Waves ; 753.3 Ultrasonic Applications
原始文献类型Conference article (CA)
来源库IEEE
文献类型会议论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/348721
专题信息科学与技术学院
信息科学与技术学院_PI研究组_虞晶怡组
信息科学与技术学院_硕士生
信息科学与技术学院_博士生
信息科学与技术学院_PI研究组_蔡夕然组
通讯作者Cai, Xiran
作者单位
ShanghaiTech University, School of Information Science and Technology, Shanghai, China
第一作者单位信息科学与技术学院
通讯作者单位信息科学与技术学院
第一作者的第一单位信息科学与技术学院
推荐引用方式
GB/T 7714
Cui, Shilong,Dai, Haizhao,Huang, Yiming,et al. Speed-of-sound ultrasound computed tomography based on bent ray tracing and multi-layer perceptron[C]//IEEE, IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society (UFFC):IEEE Computer Society,2023.
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