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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Langer, M. Cloetens, P. Hesse, B. Pacureanu, A. Raum, K. Lafage-Proust, M. Peyrin, F. |
| Copyright Year | 2012 |
| Description | Author affiliation: Université de Lyon, CREATIS; CNRS UMR5220; Inserm ၄; INSA-Lyon; Université Lyon 1, F69621 Villeurbanne, France (Langer, M.; Pacureanu, A.; Peyrin, F.) || Université de Lyon, LBTO; Inserm ၙ; F42034 Saint-Etienne, France (Lafage-Proust, M.) || European Synchrotron Radiation Facility, F38043 Grenoble Cedex, France (Cloetens, P.; Hesse, B.) || Julius-Wolff-Institute & Berlin Brandenburg School for Regenerative Therapies, Charité-Universitätsmedizin Berlin, D13353 Berlin, Germany (Raum, K.) |
| Abstract | We present a method for phase microtomography based on X-ray propagation based phase contrast imaging for multi-material objects. Previously, homogeneous composition assumptions have been in the Radon domain to overcome low sensitivity in the low frequency range. Here, we introduce a prior in the object domain based on multiple, but known, materials in the sample. This is achieved by first reconstructing a tomographic attenuation scan, introducing the prior by segmentation, and finally forward projecting this initial object estimate to yield a priori phase maps. The method is applied to the imaging of a mouse knee where analysis of both soft and hard tissue is of interest, and is shown to perform better than previously proposed methods. |
| Starting Page | 210 |
| Ending Page | 213 |
| File Size | 894103 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457718571 |
| ISSN | 19457928 |
| e-ISBN | 9781457718588 |
| DOI | 10.1109/ISBI.2012.6235521 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-05-02 |
| Publisher Place | Spain |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Image reconstruction Biological tissues Tomography Bones Refractive index X-ray imaging small animal imaging X-ray tomography phase retrieval synchrotron radiation |
| Content Type | Text |
| Resource Type | Article |
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