Title :
On a Derivative-Free Fan-Beam Reconstruction Formula
Author :
Wang, Ge ; Wei, Yuchuan
Author_Institution :
Biomed. Imaging Div., Wake Forest Univ., Winston-Salem, NC, USA
fDate :
4/1/2011 12:00:00 AM
Abstract :
We clarify that the derivative-free fan-beam reconstruction formula [IEEE Trans. Image Process. 2, 543-547, 1993] only allows exact reconstruction of an object for a circular trajectory or at the origin of the coordinate system for a radially symmetric noncircular trajectory.
Keywords :
Jacobian matrices; image reconstruction; Jacobian transform; coordinate system; derivative-free fan-beam reconstruction formula; image reconstruction; object reconstruction; radially symmetric noncircular trajectory; Computed tomography; Image quality; Image reconstruction; Jacobian matrices; Trajectory; Transforms; USA Councils; X-rays; computed tomography; fan beam; image re construction; Algorithms; Image Enhancement; Image Interpretation, Computer-Assisted; Pattern Recognition, Automated; Reproducibility of Results; Sensitivity and Specificity;
Journal_Title :
Image Processing, IEEE Transactions on
DOI :
10.1109/TIP.2010.2076819
