3D Analytic Cone-Beam Reconstruction for Multiaxial CT Acquisitions
نویسندگان
چکیده
منابع مشابه
3D Analytic Cone-Beam Reconstruction for Multiaxial CT Acquisitions
A conventional 3rd generation Computed Tomography (CT) system with a single circular source trajectory is limited in terms of longitudinal scan coverage since extending the scan coverage beyond 40 mm results in significant cone-beam artifacts. A multiaxial CT acquisition is achieved by combining multiple sequential 3rd generation axial scans or by performing a single axial multisource CT scan w...
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Using the backprojection filtration (BPF) and filtered backprojection (FBP) approaches, respectively, we prove that with cone-beam CT the interior problem can be exactly solved by analytic continuation. The prior knowledge we assume is that a volume of interest (VOI) in an object to be reconstructed is known in a subregion of the VOI. Our derivations are based on the so-called generalized PI-se...
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ژورنال
عنوان ژورنال: International Journal of Biomedical Imaging
سال: 2009
ISSN: 1687-4188,1687-4196
DOI: 10.1155/2009/538389