Original paper
A theoretical study of the contrast recovery and variance of MAP reconstructions from PET data
Volume: 18, Issue: 4, Pages: 293 - 305
Published: Apr 1, 1999
Abstract
We examine the spatial resolution and variance properties of PET images reconstructed using maximum a posteriori (MAP) or penalized-likelihood methods. Resolution is characterized by the contrast recovery coefficient (CRC) of the local impulse response. Simplified approximate expressions are derived for the local impulse response CRC's and variances for each voxel. Using these results we propose a practical scheme for selecting spatially variant...
Paper Details
Title
A theoretical study of the contrast recovery and variance of MAP reconstructions from PET data
Published Date
Apr 1, 1999
Volume
18
Issue
4
Pages
293 - 305
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Notes
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