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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.12
- 수록면
- 474 - 479 (6page)
- DOI
- 10.4283/JMAG.2022.27.4.474
이용수
이 논문의 연구 히스토리 (3)
2022
Design of a Depth-Encoding Detector for PET Through Insertion of Light Guide Between Crystal Arrays
Seung-Jae Lee
,
Cheol-Ha Baek
Journal of Magnetics
2022.12
학술저널
Design of a Depth-Encoding Detector for PET Through Insertion of Light Guide Between Crystal Arrays
Seung-Jae Lee
,
Cheol-Ha Baek
한국자기학회 학술연구발표회 논문개요집
2022.11
학술대회자료
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초록· 키워드
오류제보하기
To improve the spatial resolution of preclinical positron emission tomography (PET), a detector consisting of a two-layer scintillator pixel array was designed. A light guide was inserted between the arrays of scintillators to change the distribution of light generated in each layer. By analyzing the different light distributions, it is possible to track where the gamma rays interacted. To this end, a gamma ray event was generated at the center of the flashing pixel and a lookup table was created based on the signal obtained from the light sensor. The optimal position of the scintillation pixel was tracked through comparison and analysis of the newly detected signal with the look-up table through maximum likelihood position estimation. As a result, excellent accuracy was shown. If this detector is used in a preclinical PET system, it is expected to show excellent spatial resolution, and since an optical sensor that is not affected by magnetic fields is used, it is considered that it can be applied to PET/MRI in the future.
목차
1. Introduction
2. Materials and Methods
3. Results
4 Discussion and Conclusions
References
참고문헌 (0)
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