Challenges and advances in two-dimensional photoacoustic computed tomography: a review.

IF 3 3区医学 Q2 BIOCHEMICAL RESEARCH METHODS Journal of Biomedical Optics Pub Date : 2024-07-01 Epub Date: 2024-07-12 DOI:10.1117/1.JBO.29.7.070901

Shunyao Zhang, Jingyi Miao, Lei S Li

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Abstract

Significance: Photoacoustic computed tomography (PACT), a hybrid imaging modality combining optical excitation with acoustic detection, has rapidly emerged as a prominent biomedical imaging technique.

Aim: We review the challenges and advances of PACT, including (1) limited view, (2) anisotropy resolution, (3) spatial aliasing, (4) acoustic heterogeneity (speed of sound mismatch), and (5) fluence correction of spectral unmixing.

Approach: We performed a comprehensive literature review to summarize the key challenges in PACT toward practical applications and discuss various solutions.

Results: There is a wide range of contributions from both industry and academic spaces. Various approaches, including emerging deep learning methods, are proposed to improve the performance of PACT further.

Conclusions: We outline contemporary technologies aimed at tackling the challenges in PACT applications.

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二维光声计算机断层扫描的挑战与进展：综述。

意义：光声计算机断层扫描（PACT）是一种结合了光学激发和声学检测的混合成像模式，已迅速成为一种重要的生物医学成像技术。目的：我们回顾了光声计算机断层扫描所面临的挑战和取得的进展，包括（1）有限视角；（2）各向异性分辨率；（3）空间混叠；（4）声学异质性（声速不匹配）；以及（5）光谱不混杂的通量校正：我们进行了全面的文献综述，总结了 PACT 在实际应用中面临的主要挑战，并讨论了各种解决方案：来自行业和学术界的贡献范围广泛。我们提出了各种方法，包括新兴的深度学习方法，以进一步提高 PACT 的性能：我们概述了旨在应对 PACT 应用挑战的当代技术。

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

Journal of Biomedical Optics 医学-光学

CiteScore

6.40

自引率

5.70%

发文量

263

审稿时长

2 months

期刊介绍： The Journal of Biomedical Optics publishes peer-reviewed papers on the use of modern optical technology for improved health care and biomedical research.