지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.12
- 수록면
- 538 - 542 (5page)
- DOI
- 10.4283/JMAG.2024.29.4.538
이용수
초록· 키워드
오류제보하기
This study proposed a three-layer depth of interaction (DOI) detector utilizing a quasi-monolithic crystal to address spatial resolution degradation caused by parallax errors in positron emission tomography (PET) detectors. Monte Carlo simulations were performed to analyze optical signals, and the modified resistive charge division method, combined with the maximum likelihood position estimation (MLPE) algorithm, was used for analysis and evaluation. The 2D flood histogram results indicated that light spread in the quasi-monolithic layer with layer thickness, complicating DOI identification. The MLPE results demonstrated that as the thickness of the quasi-monolithic layer increases, DOI identification accuracy exceeding 70% was achieved, with the highest accuracy of 84.2% observed at a total thickness of 7 mm. These findings show that the three-layer DOI-PET detector using a quasi-monolithic crystal is capable of accurate three-layer DOI identification.
목차
1. Introduction
2. Materials and Methods
3. Results
4. Discussion
5. Conclusion
References
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