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Selective plane removal in limited angle tomographic imaging
Author(s) -
Ghosh Roy D. N.,
Kruger R. A.,
Yih B.,
Del Rio P.
Publication year - 1985
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.595791
Subject(s) - imaging phantom , tomography , focus (optics) , tomographic reconstruction , iterative reconstruction , plane (geometry) , planar , medical imaging , optics , computer vision , computed tomography , artificial intelligence , geometry , computer science , physics , mathematics , computer graphics (images) , medicine , radiology
A method of improving a planar image in limited angle tomography by removing blurred image information from selected out‐of‐focus planes is discussed. Focused tomosynthesized images rather than individual projections are used. The necessary equations for removing the information from either two or four adjacent planes, produced with a symmetrical, but otherwise arbitrary blurring function, are developed and specialized to the geometry of circular tomography. Results of a phantom experiment illustrating the technique are presented.