Uygar Tuna
ABSTRACT
In this study, we review the sinogram domain gap-filling methods for the positron emission tomograph (PET) data. We restricted our literature search to the published methods for the diamond shaped gaps which exist in the PENN-PET (University of Pennsylvania, Philadelphia, PA, USA), the MDAPET (M. D. Anderson Cancer Center, University of Texas, Houston, TX, USA), and the ECAT HRRT (CTI PET Systems, Knoxville, TN, USA) PET scanner sinogram data. We only included the methods which were also tested with the real scanner data (either physical phantom data or real patient data) besides the numerical phantom data. We categorized the methods into three classes: 1) interpolation methods; 2) model based methods, and 3) transform based methods. The general characteristics of the methods are explained. For the detailed information on the gap-filling methods such as implementation details, the reader should refer to the original article in which that gap-filling method was proposed. We discuss the performances of the gap-filling methods under the light of the corresponding comparison articles in the literature.
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Index Terms
- Survey: gap-filling methods for the positron emission tomograph sinograms
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