Title :
A method for stable computation of the Hilbert kernel and its resolution and noise properties
Author_Institution :
Toshiba Medical Research Institute USA, Vernon Hills, IL 60061 USA
Abstract :
We propose a numerically stable method to compute the fan beam Hilbert kernel in the Fourier domain and investigate its resolution and noise properties. We also propose a method to convert clinical ramp kernels into corresponding Hilbert kernels with the same properties.
Keywords :
Argon; Convolution; Degradation; Geometry; Hydrogen; Kernel; Nuclear and plasma sciences; Particle beams; Reconstruction algorithms; Silicon compounds;
Conference_Titel :
Nuclear Science Symposium Conference Record, 2008. NSS '08. IEEE
Conference_Location :
Dresden, Germany
Print_ISBN :
978-1-4244-2714-7
Electronic_ISBN :
1095-7863
DOI :
10.1109/NSSMIC.2008.4774445