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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 65 - 71 (7page)
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To assess the effects of filter and reconstruction of Cu-64 PET data on Siemens scanner, the various reconstruction algorithm with various filters were assessed in terms of spatial resolution, non-uniformity (NU), recovery coefficient (RC), and spillover ratio (SOR). Image reconstruction was performed using filtered backprojection (FBP), 2D ordered subset expectation maximization (OSEM), 3D reprojection algorithm (3DRP), and maximum a posteriori algorithms (MAP). For the FBP reconstruction, ramp, butterworth, hamming, hanning, or parzen filters were used. Attenuation or scatter correction were performed to assess the effect of attenuation and scatter correction. Regarding spatial resolution, highest achievable volumetric resolution was $3.08mm^3$ at the center of FOV when MAP (${\beta}=0.1$) reconstruction method was used. SOR was below 4% for FBP when ramp, Hamming, Hanning, or Shepp-logan filter were used. The lowest NU (highest uniform) after attenuation & scatter correction was 5.39% when FBP (parzen filter) was used. Regarding RC, 0.9 < RC < 1.1 was obtained when OSEM (iteration: 10) was used when attenuation and scatter correction were applied. In this study, image quality of Cu-64 on Siemens Inveon PET was investigated. This data will helpful for the quantification of Cu-64 PET data.
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참고문헌 (13)
참고문헌 신청
Choi JY / 2016 / Biodistribution and Radiation Dosimetry of [18F] Mefway in Humans / Mol Imaging Biol 18:803~806
Choi JY / 2016 / Human Radiation Dosimetry of [(18)F] AV- 1451(T807) to Detect Tau Pathology / Mol Imaging Biol 18:479~482
Bradshaw TJ / 2016 / Image quality of Zr-89 PET imaging in the Siemens microPET Focus 220 preclinical scanner / Mol Imaging Biol 18:377~385
Yu AR / 2016 / Comparison of Imaging Characteristics of (124)I PET for Determination of Optimal Energy Window on the Siemens Inveon PET / Biomed Res Int :3067123
Yu AR / 2015 / Effect of filters and reconstruction algorithms on I-124 PET in Siemens Inveon PET scanner / J Instrum 10:P10026~P10026
Choi JY / 2016 / Human Radiation Dosimetry of [(18)F] AV- 1451(T807) to Detect Tau Pathology / Mol Imaging Biol 18:479~482
Bradshaw TJ / 2016 / Image quality of Zr-89 PET imaging in the Siemens microPET Focus 220 preclinical scanner / Mol Imaging Biol 18:377~385
Yu AR / 2016 / Comparison of Imaging Characteristics of (124)I PET for Determination of Optimal Energy Window on the Siemens Inveon PET / Biomed Res Int :3067123
Yu AR / 2015 / Effect of filters and reconstruction algorithms on I-124 PET in Siemens Inveon PET scanner / J Instrum 10:P10026~P10026
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