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A new digital tomosynthesis method with less artifacts for angiography
Author(s) -
Haaker Paul,
Klotz Erhard,
Koppe Reiner,
Linde Rolf,
Möller Holger
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 - 10.1118/1.595705
Subject(s) - tomosynthesis , medical imaging , medical physics , radiology , angiography , digital breast tomosynthesis , computer science , medicine , computer vision , nuclear medicine , mammography , breast cancer , cancer
A new nonlinear reconstruction method for tomosynthesis is described. This method is suited for “dilute” objects, i.e., objects in which most of the voxels have negligibly small absorption. Images of blood vessels filled with contrast material approximate this condition if the background is subtracted. The technique has been tested experimentally using a wire phantom and a prepared human heart. The results show significantly less artifacts than the well‐known backprojection. It is possible to get diagnostic image quality with a few projections. The reconstruction algorithm can be realized with dedicated real‐time hardware.