RT Conference Proceedings
T1 Optimal and robust PET data sinogram restoration based on the response of the system
A1 Herraiz, J. L.
A1 España, Samuel
A1 Vicente, Esther
A1 Vaquero López, Juan José
A1 Desco Menéndez, Manuel
A1 Udías, José Manuel
AB We present an optimal and robust technique for the restoration of positron emission tomography (PET) data. It is based on an iterative deconvolution of Fourier Rebinned (FORE) sinograms employing the EM-ML algorithm regularized with MAP. The deconvolution kernel is related to the System Response Matrix (SRM) and the axial point spread function(PSF) caused by FORE. This method is able to deblur the acquired data whitout the introduction of additional noise and enhancing the quality (resolution, contrast) of the images reconstructed using FBP.
PB IEEE
SN 1-4244-0560-2
SN 1082-3654
YR 2007
FD 2007
LK https://hdl.handle.net/10016/12238
UL https://hdl.handle.net/10016/12238
LA eng
NO Proceeding of: 2006 IEEE Nuclear Science Symposium Conference Record, San Diego, CA, Oct. 29 - Nov. 1, 2006
NO Support from UCM grant. J.M. Udias acknowledges support from MEC (FPA2006-07393) and CENIT (Ministerio de Industria, Spain). Part of the computations of this work were done at the “High capacitycluster for physical techniques” of the Faculty for Physical Sciences of UCM, funded in part by the UE under the FEDERprogram and in part by the UCM.
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RD 22 may. 2024