Document Detail


Multiresolution tomographic reconstruction using wavelets.
MedLine Citation:
PMID:  18290029     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Shows how the separable two-dimensional wavelet representation leads naturally to an efficient multiresolution tomographic reconstruction algorithm. This algorithm is similar to the conventional filtered backprojection algorithm, except that the filters are now angle dependent, and the backprojection gives the wavelet coefficients of the reconstruction, which are then used to synthesize the reconstruction at various resolution levels. By reconstructing only a small localized region at high resolution, the authors show how radiation exposure and computation can be significantly reduced, compared to a standard reconstruction.
Authors:
A H Delaney; Y Bresler
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  IEEE transactions on image processing : a publication of the IEEE Signal Processing Society     Volume:  4     ISSN:  1057-7149     ISO Abbreviation:  IEEE Trans Image Process     Publication Date:  1995  
Date Detail:
Created Date:  2008-02-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9886191     Medline TA:  IEEE Trans Image Process     Country:  United States    
Other Details:
Languages:  eng     Pagination:  799-813     Citation Subset:  -    
Affiliation:
Coordinated Sci. Lab., Illinois Univ., Urbana, IL.
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