Region-of-Interest Tomography for Grating-Based X-Ray Differential Phase-Contrast Imaging

被引：41

作者：

Pfeiffer, F. ^{[1
,2
]}

David, C. ^{[1
]}

Bunk, O. ^{[1
]}

Donath, T. ^{[1
]}

Bech, M. ^{[3
]}

Le Duc, G. ^{[4
]}

Bravin, A. ^{[4
]}

Cloetens, P. ^{[4
]}

机构：

[1] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[2] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland

[3] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[4] European Synchrotron Radiat Facil, F-38043 Grenoble, France

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.101.168101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report numerical and experimental results demonstrating accurate region-of-interest computed tomography (CT) reconstruction based on differential phase-contrast projection (DPC) images. The approach removes the constraint of covering the entire sample within the field of view of the image detector. Particularly for biomedical applications, the presented DPC-CT region-of-interest approach will allow for the visualization of previously inaccessible details deep inside an entire animal or organ. We envisage that this development will also be of interest for potential future clinical applications, because grating-based DPC-CT can be implemented with standard x-ray tube sources.

引用

页数：4

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