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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.7
- 수록면
- 2,341 - 2,347 (7page)
- DOI
- https://doi.org/10.1016/j.net.2021.01.011
이용수
초록· 키워드
오류제보하기
Because single-photon emission computed tomography (SPECT) is one of the widely used nuclearmedicine imaging systems, it is extremely important to acquire high-quality images for diagnosis. In thisstudy, we designed a super-resolution (SR) technique using dense block-based deep convolutional neuralnetwork (CNN) and evaluated the algorithm on real SPECT phantom images. To acquire the phantomimages, a real SPECT system using a99mTc source and two physical phantoms was used. To confirm theimage quality, the noise properties and visual quality metric evaluation parameters were calculated. Theresults demonstrate that our proposed method delivers a more valid SR improvement by using denseblock-based deep CNNs as compared to conventional reconstruction techniques. In particular, when theproposed method was used, the quantitative performance was improved from 1.2 to 5.0 times comparedto the result of using the conventional iterative reconstruction. Here, we confirmed the effects on theimage quality of the resulting SR image, and our proposed technique was shown to be effective fornuclear medicine imaging.
목차
등록된 정보가 없습니다.
참고문헌 (47)
참고문헌 신청
김규석 / 2020 / Investigation of a blind-deconvolution framework after noise reduction using a gamma camera in nuclear medicine imaging / Nuclear Engineering and Technology 52(11):2594~2600
P. Zanzonico / 2012 / Principles of nuclear medicine imaging: planar, SPECT, PET,multi-modality, and autoradiography systems / Radiat. Res 177:349~364
Z. H. Cho / 2008 / A fusion PETeMRI system with a high-resolution research tomograph-PET and ultra-high field 7. 0 T-MRI for the molecular-genetic imaging of the brain / Proteomics 8:1302~1323
손성민 / 2018 / Mycobacterium avium Complex Infection-Related Immune Reconstitution Inflammatory Syndrome Mimicking Lymphoma in an Human Immunodeficiency Virus-Infected Patient / Infection and Chemotherapy 50(4):350~356
박찬록 / 2019 / Comparison of PET image quality using simultaneous PET/MR by attenuation correction with various MR pulse sequences / Nuclear Engineering and Technology 51(6):1610~1615
P. Zanzonico / 2012 / Principles of nuclear medicine imaging: planar, SPECT, PET,multi-modality, and autoradiography systems / Radiat. Res 177:349~364
Z. H. Cho / 2008 / A fusion PETeMRI system with a high-resolution research tomograph-PET and ultra-high field 7. 0 T-MRI for the molecular-genetic imaging of the brain / Proteomics 8:1302~1323
손성민 / 2018 / Mycobacterium avium Complex Infection-Related Immune Reconstitution Inflammatory Syndrome Mimicking Lymphoma in an Human Immunodeficiency Virus-Infected Patient / Infection and Chemotherapy 50(4):350~356
박찬록 / 2019 / Comparison of PET image quality using simultaneous PET/MR by attenuation correction with various MR pulse sequences / Nuclear Engineering and Technology 51(6):1610~1615
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