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检索条件"主题词=Medical-image reconstruction methods and algorithms, computer-aided software"
62 条 记 录,以下是11-20 订阅
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Multi-contrast CT imaging using a high energy resolution CdTe detector and a CZT photon-counting detector
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JOURNAL OF INSTRUMENTATION 2022年 第1期17卷 P01004页
作者: Clements, N. Richtsmeier, D. Hart, A. Bazalova-Carter, M. Univ Victoria Dept Phys & Astron 3800 Finnerty Rd Victoria BC Canada
Computed tomography (CT) imaging with high energy resolution detectors shows great promise in material decomposition and multi-contrast imaging. Multi-contrast imaging was studied by imaging a phantom with iodine (I),... 详细信息
来源: 评论
Limited Angle Tomography reconstruction for non-standard MBI system by means of parallel-hole and pinhole optics
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JOURNAL OF INSTRUMENTATION 2020年 第4期15卷
作者: Poma, G. E. Garibaldi, F. Giuliani, F. Insero, T. Lucentini, M. Marcucci, A. Musico, P. Nuyts, J. Santavenere, F. Schramm, G. Sutera, C. Cisbani, E. Ist Nazl Fis Nucl Sez Catania Via S Sofia 64 I-95123 Catania Italy Univ Catania Dipartimento Fis & Astron Via S Sofia 64 I-95123 Catania Italy ISS Ist Super Sanita Viale Regina Elena 199 I-00161 Rome Italy Osped Pediat Bambin Gesu Viale San Paolo 15 I-00146 Rome Italy Aeronaut Mil Italiana Viale Univ 4 I-00185 Rome Italy Ist Nazl Fis Nucl Sez Genova Via Dodecaneso 33 I-16146 Genoa Italy Univ Leuven KU Leuven Dept Imaging & Pathol Nucl Med & Mol Imaging Med Imaging Res Ctr MIRC B-3000 Leuven Belgium
The purpose of the present work is the study of reconstruction properties of a new Molecular Breast Imaging (MBI) device for the early diagnosis of breast cancer, in Limited Angle Tomography (LAT), by using two asymme... 详细信息
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Preliminary performance evaluation of adjustable-FOV full-body PET
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JOURNAL OF INSTRUMENTATION 2020年 第6期15卷
作者: Ozsahin, I. Near East Univ Fac Engn Dept Biomed Engn Mersin 10 TRNC TR-99138 Nicosia Turkey Near East Univ DESAM Inst Mersin 10 TRNC TR-99138 Nicosia Turkey
Recent developments in molecular imaging have led to increases in the performance and area of utilization of positron emission tomography (PET) systems. There are several ways that PET system sensitivity can be increa... 详细信息
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Simulation of novel scintillator crystals for brain PET
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JOURNAL OF INSTRUMENTATION 2020年 第5期15卷
作者: Ozsahin, I. Ozsahin, D. Uzun Makarov, P. A. Musa, M. S. Mok, G. S. P. Univ Macau Fac Sci & Technol Dept Elect & Comp Engn Biomed Imaging Lab Macau Peoples R China Near East Univ Fac Engn Dept Biomed Engn Mersin 10 TRNC TR-99138 Nicosia Turkey Near East Univ DESAM Inst Mersin 10 TRNC TR-99138 Nicosia Turkey Near East Univ Innovat & Informat Technol Ctr Mersin 10 TRNC TR-99138 Nicosia Turkey Univ Macau Fac Hlth Sci Macau Peoples R China
In the last decade, different positron emission tomography (PET) crystals have been proposed for brain PET detectors. Brain PET cameras with restricted field of view to a smaller size to cover the brain can both exhib... 详细信息
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Signal to Noise Ratio optimization for extended sources with a new kind of MURA masks
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JOURNAL OF INSTRUMENTATION 2020年 第1期15卷
作者: Kaissas, I. Papadimitropoulos, C. Clouvas, A. Potiriadis, C. Lambropoulos, C. P. Greek Atom Energy Commiss Patriarchou Grigoriou & Neapoleos Attiki 15341 Greece Aristotle Univ Thessaloniki Sch Elect & Comp Engn Univ Campus Thessaloniki 54124 Greece Natl & Kapodistrian Univ Athens Athens Greece
Using coded aperture, for localization of radioactive hot-spots, results in enhanced efficiency and under certain configurations wide Field of View (FOV). We present a coded aperture assembly technique which can be re... 详细信息
来源: 评论
Mammogram density classification using deep convolutional neural network
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JOURNAL OF INSTRUMENTATION 2021年 第1期16卷
作者: Nithya, R. Santhi, B. SASTRA Deemed Univ Sch Comp Thanjavur 613402 Tamil Nadu India
Artificial intelligence plays an important role in the classification of medical images for computerized diagnosis of the disease. The computer-aided medical imaging analysis system is developed for breast tissue dens... 详细信息
来源: 评论
Simulation of novel scintillator crystals for brain PET
Simulation of novel scintillator crystals for brain PET
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15th Topical Seminar on Innovative Particle and Radiation Detectors (IPRD)
作者: Ozsahin, I. Ozsahin, D. Uzun Makarov, P. A. Musa, M. S. Mok, G. S. P. Univ Macau Fac Sci & Technol Dept Elect & Comp Engn Biomed Imaging Lab Macau Peoples R China Near East Univ Fac Engn Dept Biomed Engn Mersin 10 TRNC TR-99138 Nicosia Turkey Near East Univ DESAM Inst Mersin 10 TRNC TR-99138 Nicosia Turkey Near East Univ Innovat & Informat Technol Ctr Mersin 10 TRNC TR-99138 Nicosia Turkey Univ Macau Fac Hlth Sci Macau Peoples R China
In the last decade, different positron emission tomography (PET) crystals have been proposed for brain PET detectors. Brain PET cameras with restricted field of view to a smaller size to cover the brain can both exhib... 详细信息
来源: 评论
Signal to Noise Ratio optimization for extended sources with a new kind of MURA masks
Signal to Noise Ratio optimization for extended sources with...
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21st International Workshop on Radiation Imaging Detectors
作者: Kaissas, I. Papadimitropoulos, C. Clouvas, A. Potiriadis, C. Lambropoulos, C. P. Greek Atom Energy Commiss Patriarchou Grigoriou & Neapoleos Attiki 15341 Greece Aristotle Univ Thessaloniki Sch Elect & Comp Engn Univ Campus Thessaloniki 54124 Greece Natl & Kapodistrian Univ Athens Athens Greece
Using coded aperture, for localization of radioactive hot-spots, results in enhanced efficiency and under certain configurations wide Field of View (FOV). We present a coded aperture assembly technique which can be re... 详细信息
来源: 评论
Analytic digital tomosynthesis reconstruction in partial sampling with a multislit collimator using a prior sinogram interpolation method
Analytic digital tomosynthesis reconstruction in partial sam...
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20th International Workshop on Radiation Imaging Detectors
作者: Park, S. Kim, G. Park, C. Lee, D. Cho, H. Kim, K. Kang, S. Kim, W. Lim, H. Lee, H. Jeon, D. Park, J. Lim, Y. Seo, C. Yonsei Univ iTOMO Grp Dept Radiat Convergence Engn 1 Yonseidae Gil Wonju 26493 Gangwon Do South Korea
This study investigated analytic digital tomosynthesis (DTS) reconstruction in partial sampling with a multislit collimator that partially blocks the x-ray beam to the patient during projection data acquisition, there... 详细信息
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Least squares estimate algorithm based on particle swarm optimization for position reconstruction of scintillation crystal
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JOURNAL OF INSTRUMENTATION 2018年 第12期13卷 P12029-1-P12029-13页
作者: Shi, R. G. Chen, Y. Wei, M. F. China Acad Engn Phys Inst Mat Jiangyou 621907 Mianyang Peoples R China
reconstruction algorithm is a key technology for improving the performance of gamma cameras. This paper presents a least squares estimate (LSE) algorithm based on particle swarm optimization (PSO) to estimate the posi... 详细信息
来源: 评论