Prospects of microwave-induced thermoacoustic imaging

Xing-Hua Wang , Huan Qin
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Abstract

Microwave-induced thermoacoustic imaging (MTAI) has advantages including the large imaging depth, high imaging resolution, high imaging contrast, and fast imaging speed. The thermoacoustic (TA) group of South China Normal University has dedicated to developing TA imaging for more than a decade and has made many breakthroughs. This review introduces these breakthroughs from two aspects including the improvement in techniques and the exploration of applications. On the technological level, there are ultrashort microwave pulse (USMP)-induced TA imaging that can improve the imaging resolution, nonlinear thermoacoustic imaging (NTAI) that can improve the imaging contrast, polarized microwave-induced thermoacoustic imaging (P-MTAI) that can obtain cellular-level alignment information, and more convenient and accurate handheld and multimodal probes. On the application side, the optimization and expansion have been carried out, mainly concentrating on breast and myocardial imaging. Finally, several current research directions are introduced, including the application of P-MTAI on joint imaging and research on whole-body imaging of small animals.

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微波诱导热声成像的展望
微波热声成像(MTAI)具有成像深度大、成像分辨率高、成像对比度高、成像速度快等优点。华南师范大学热声(TA)课题组十多年来致力于TA成像技术的发展,取得了许多突破性进展。本文从技术改进和应用探索两方面介绍了这些突破。在技术层面,有提高成像分辨率的超短微波脉冲诱导热声成像(USMP)、提高成像对比度的非线性热声成像(NTAI)、获得细胞级对准信息的极化微波诱导热声成像(P-MTAI)以及更方便、准确的手持式和多模态探针。在应用方面,进行了优化和扩展,主要集中在乳腺和心肌成像方面。最后介绍了目前的几个研究方向,包括P-MTAI在关节成像中的应用以及小动物全身成像的研究。
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来源期刊
Journal of Electronic Science and Technology
Journal of Electronic Science and Technology Engineering-Electrical and Electronic Engineering
CiteScore
4.30
自引率
0.00%
发文量
1362
审稿时长
99 days
期刊介绍: JEST (International) covers the state-of-the-art achievements in electronic science and technology, including the most highlight areas: ¨ Communication Technology ¨ Computer Science and Information Technology ¨ Information and Network Security ¨ Bioelectronics and Biomedicine ¨ Neural Networks and Intelligent Systems ¨ Electronic Systems and Array Processing ¨ Optoelectronic and Photonic Technologies ¨ Electronic Materials and Devices ¨ Sensing and Measurement ¨ Signal Processing and Image Processing JEST (International) is dedicated to building an open, high-level academic journal supported by researchers, professionals, and academicians. The Journal has been fully indexed by Ei INSPEC and has published, with great honor, the contributions from more than 20 countries and regions in the world.
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