Title :
Formulation of four katsevich algorithms in native geometry
Author :
Katsevich, Alexander ; Taguchi, Katsuyuki ; Zamyatin, Alexander A.
Author_Institution :
Dept. of Math., Univ. of Central Florida, Orlando, FL
fDate :
7/1/2006 12:00:00 AM
Abstract :
We derive formulations of the four exact helical Katsevich algorithms in the native cylindrical detector geometry, which allow efficient implementation in modern computed tomography scanners with wide cone beam aperture. Also, we discuss some aspects of numerical implementation
Keywords :
computerised tomography; image reconstruction; medical image processing; computed tomography scanners; four exact helical Katsevich Algorithms; native cylindrical detector geometry; wide cone beam aperture; Apertures; Biomedical imaging; Computational geometry; Computed tomography; Detectors; Equations; Filtering algorithms; Image reconstruction; Object detection; Reconstruction algorithms; Computed tomography (CT); cone beam reconstruction; exact algorithms; shift-invariant filtering;
Journal_Title :
Medical Imaging, IEEE Transactions on
DOI :
10.1109/TMI.2006.876159
