GPU-accelerated 3D volumetric X-ray-induced acoustic computed tomography

被引：23

作者：

Lee, Donghyun ^{[1
,2
,3
]}

Park, Eun-Yeong ^{[1
,2
,3
]}

Choi, Seongwook ^{[1
,2
,3
]}

Kim, Hyeongsub ^{[1
,2
,3
]}

Min, Jung-joon ^{[4
,5
]}

Lee, Changho ^{[4
,5
]}

Kim, Chulhong ^{[1
,2
,3
]}

机构：

[1] Pohang Univ Sci & Technol POSTECH, Dept Creat IT Engn, Sch Interdisciplinary Biosci & Bioengn, Pohang 37674, South Korea

[2] Pohang Univ Sci & Technol POSTECH, Dept Elect Engn, Sch Interdisciplinary Biosci & Bioengn, Pohang 37674, South Korea

[3] Pohang Univ Sci & Technol POSTECH, Dept Mech Engn, Sch Interdisciplinary Biosci & Bioengn, Pohang 37674, South Korea

[4] Chonnam Natl Univ, Dept Nucl Med, Med Sch, Chungnam 58128, South Korea

[5] Hwasun Hosp, Chungnam 58128, South Korea

来源：

BIOMEDICAL OPTICS EXPRESS | 2020年 / 11卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

GRUNEISEN-PARAMETER; COPPER;

D O I：

10.1364/BOE.381963

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

X-ray acoustic imaging is a hybrid biomedical imaging technique that can acoustically monitor X-ray absorption distribution in biological tissues through the X-ray induced acoustic effect. In this study, we developed a 3D volumetric X-ray-induced acoustic computed tomography (XACT) system with a portable pulsed X-ray source and an arc-shaped ultrasound array transducer. 3D volumetric XACT images are reconstructed via the back-projection algorithm, accelerated by a custom-developed graphics processing unit (GPU) software. Compared with a CPU-based software, the GPU software reconstructs an image over 40 times faster. We have successfully acquired 3D volumetric XACT images of various lead targets, and this work shows that the 3D volumetric XACT system can monitor a high-resolution X-ray dose distribution and image X-ray absorbing structures inside biological tissues. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：752 / 761

页数：10

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