Navigated implantation after microsurgical bone transfer using intraoperatively acquired cone-beam computed tomography data sets

2008 ◽  
Vol 37 (1) ◽  
pp. 70-75 ◽  
Author(s):  
M. Heiland ◽  
P. Pohlenz ◽  
M. Blessmann ◽  
H. Werle ◽  
M. Fraederich ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Cone Beam ◽  
Data Sets ◽  
Tomography Data

scholarly journals Suppression of Cone-Beam Artefacts with Direct Iterative Reconstruction Computed Tomography Trajectories (DIRECTT)

2021 ◽  
Vol 7 (8) ◽  
pp. 147
Author(s):  
Sotirios Magkos ◽  
Andreas Kupsch ◽  
Giovanni Bruno
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Iterative Reconstruction ◽  
Cone Beam ◽  
Back Projection ◽  
Projection Algorithms ◽  
Filtered Back Projection ◽  
Tomography Data

The reconstruction of cone-beam computed tomography data using filtered back-projection algorithms unavoidably results in severe artefacts. We describe how the Direct Iterative Reconstruction of Computed Tomography Trajectories (DIRECTT) algorithm can be combined with a model of the artefacts for the reconstruction of such data. The implementation of DIRECTT results in reconstructed volumes of superior quality compared to the conventional algorithms.

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