title: The meaning of interior tomography.
abstract: The classic imaging geometry for computed tomography is for the collection of un-truncated projections and the reconstruction of a global image, with the Fourier transform as the theoretical foundation that is intrinsically non-local. Recently, interior tomography research has led to theoretically exact relationships between localities in the projection and image spaces and practically promising reconstruction algorithms. Initially, interior tomography was developed for x-ray computed tomography. Then, it was elevated to have the status of a general imaging principle. Finally, a novel framework known as 'omni-tomography' is being developed for a grand fusion of multiple imaging modalities, allowing tomographic synchrony of diversified features.
authors.affiliation: Biomedical Imaging Cluster, Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA. ge-wang@ieee.org
authors.forename: Ge
authors.initials: G
authors.lastname: Wang
authors.forename: Hengyong
authors.initials: H
authors.lastname: Yu
mesh_terms: D000818:Animals; D006801:Humans; D008279:Magnetic Resonance Imaging; D014054:Tomography / Q000379:methods*; D015899:Tomography, Emission-Computed, Single-Photon; D014057:Tomography, X-Ray Computed
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