期刊
APPLIED PHYSICS LETTERS
卷 96, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3279150
关键词
bone; computerised tomography; diagnostic radiography; image reconstruction; medical image processing; orthopaedics
资金
- Monash University School of Physics
- University of Melbourne
- Australian Research Council
We present a method for tomographic reconstruction of objects containing several distinct materials, which is capable of accurately reconstructing a sample from vastly fewer angular projections than required by conventional algorithms. The algorithm is more general than many previous discrete tomography methods, as: (i) a priori knowledge of the exact number of materials is not required; (ii) the linear attenuation coefficient of each constituent material may assume a small range of a priori unknown values. We present reconstructions from an experimental x-ray computed tomography scan of cortical bone acquired at the SPring-8 synchrotron.
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