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Low-dose, simple, and fast grating-based X-ray phase-contrast imaging
Zhu PP(朱佩平); Zhang K(张凯); Wang ZL(王志立); Liu YJ(刘宜晋); Liu XS(刘小松); Wu ZY(吴自玉); Zhu, PP; Zhang, K; Wang, ZL; Liu, YJ; Liu, XS; Wu, ZY; McDonald, SA; Marone, F; Stampanoni, M
2010
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷号107期号:31页码:13576-13581
通讯作者[Liu, Yijin ; Wu, Ziyu] Univ Sci & Technol China, Hefei 230026, Peoples R China ; [Zhu, Peiping ; Zhang, Kai ; Wang, Zhili ; Liu, Yijin ; Liu, Xiaosong ; Wu, Ziyu] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [McDonald, Samuel A. ; Marone, Federica ; Stampanoni, Marco] Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland ; [McDonald, Samuel A.] Univ Lausanne, Sch Med, Dept Radiol, Lausanne, Switzerland ; [Stampanoni, Marco] Univ Zurich, Inst Biomed Engn, CH-8092 Zurich, Switzerland ; [Stampanoni, Marco] Swiss Fed Inst Technol, Inst Biomed Engn, CH-8092 Zurich, Switzerland
文章类型Article
摘要Phase sensitive X-ray imaging methods can provide substantially increased contrast over conventional absorption-based imaging and therefore new and otherwise inaccessible information. The use of gratings as optical elements in hard X-ray phase imaging overcomes some of the problems that have impaired the wider use of phase contrast in X-ray radiography and tomography. So far, to separate the phase information from other contributions detected with a grating interferometer, a phase-stepping approach has been considered, which implies the acquisition of multiple radiographic projections. Here we present an innovative, highly sensitive X-ray tomographic phase-contrast imaging approach based on grating interferometry, which extracts the phase-contrast signal without the need of phase stepping. Compared to the existing phase-stepping approach, the main advantages of this new method dubbed "reverse projection" are not only the significantly reduced delivered dose, without the degradation of the image quality, but also the much higher efficiency. The new technique sets the prerequisites for future fast and low-dose phase-contrast imaging methods, fundamental for imaging biological specimens and in vivo studies.
关键词X-ray imaging differential phase contrast grating interferometer tomography
学科领域Science & Technology - Other Topics
研究领域[WOS]Science & Technology - Other Topics ; Science & Technology - Other Topics
DOI10.1073/pnas.1003198107
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语种英语
研究领域[WOS]Science & Technology - Other Topics ; Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000280605900007
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被引频次:140[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240194
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Zhu PP,Zhang K,Wang ZL,et al. Low-dose, simple, and fast grating-based X-ray phase-contrast imaging[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2010,107(31):13576-13581.
APA 朱佩平.,张凯.,王志立.,刘宜晋.,刘小松.,...&Stampanoni, M.(2010).Low-dose, simple, and fast grating-based X-ray phase-contrast imaging.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,107(31),13576-13581.
MLA 朱佩平,et al."Low-dose, simple, and fast grating-based X-ray phase-contrast imaging".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 107.31(2010):13576-13581.
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