Parallelization of filtered back-projection algorithm for computed tomography

2015 ◽  
Vol 7 (3) ◽  
pp. 197-205 ◽  
Author(s):  
Akram Boukhamla ◽  
Hayet Farida Merouani ◽  
Hocine Sissaoui
Keyword(s):  
Computed Tomography ◽  
Projection Algorithm ◽  
Back Projection ◽  
Filtered Back Projection

A reconstruction algorithm for coherent scatter computed tomography based on filtered back-projection

2003 ◽  
Vol 30 (9) ◽  
pp. 2465-2474 ◽  
Author(s):  
U. van Stevendaal ◽  
J.-P. Schlomka ◽  
A. Harding ◽  
M. Grass
Keyword(s):  
Computed Tomography ◽  
Reconstruction Algorithm ◽  
Back Projection ◽  
Filtered Back Projection ◽  
Coherent Scatter

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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