| Reprojection using a parallel backprojector. | |
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MedLine Citation:
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PMID: 3736506 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Reprojection is the process by which projections are produced from an image, such that if these projections are filtered and backprojected, they yield the original image. In computed tomography, applications of reprojection include its use in algorithms for iterative beam hardening correction, metal artifact removal, and streak suppression. However, because of the computational expense of reprojection, algorithms that employ this process have never been widely used. A method will be presented that enables an unmodified backprojector to be used as a reprojector. Because backprojectors are designed to exploit the parallelism in the backprojection algorithm, the time required to obtain reprojections is significantly reduced. |
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Authors:
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C R Crawford |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Medical physics Volume: 13 ISSN: 0094-2405 ISO Abbreviation: Med Phys Publication Date: 1986 Jul-Aug |
Date Detail:
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Created Date: 1986-09-17 Completed Date: 1986-09-17 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0425746 Medline TA: Med Phys Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 480-3 Citation Subset: IM |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Humans Mathematics Technology, Radiologic Tomography, X-Ray Computed / instrumentation, methods* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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