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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41-50 订阅
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Using triple gamma coincidences with a pixelated semiconductor Compton-PET scanner: a simulation study
Using triple gamma coincidences with a pixelated semiconduct...
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17th International Workshop on Radiation Imaging Detectors
作者: Kolstein, M. Chmeissani, M. Barcelona Inst Sci & Technol IFAE Campus UAB E-08193 Bellaterra Barcelona Spain
The Voxel Imaging PET (VIP) Pathfinder project presents a novel design using pixelated semiconductor detectors for nuclear medicine applications to achieve the intrinsic image quality limits set by physics. The concep... 详细信息
来源: 评论
Experimental results of use of triple-energy X-ray beam with K-edge filter in multi-energy imaging
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JOURNAL OF INSTRUMENTATION 2016年 第4期11卷 P04009-P04009页
作者: Kim, D. Lee, S. Jeon, P. -H. Eulji Univ Dept Radiol Sci 553 Sanseong Daero Songnam Gyeonggi South Korea Konyang Univ Dept Radiol Sci 158 Gwanjeodong Ro Daejoen South Korea Yonsei Univ Dept Radiol Sci 1 Yonseidae Gil Wonju Gangwon South Korea
Multi-energy imaging is useful for contrast enhancement of lesions, quantitative analysis of specific materials and material separation in the human body. Generally, dual-energy methods are applied to discriminating t... 详细信息
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A feasibility study for anatomical noise reduction in dual-energy chest digital tomosynthesis
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JOURNAL OF INSTRUMENTATION 2016年 第1期11卷 P01016-P01016页
作者: Lee, D. Kim, Y. -s. Choi, S. Lee, H. Choi, S. Kim, H. -J. Yonsei Univ Coll Hlth Sci Dept Radiat Convergence Engn 1 Yonseidae Gil Wonju 220710 Gangwon South Korea Yonsei Univ Dept Radiol Sci 1 Yonseidae Gil Wonju 220710 Gangwon South Korea Yonsei Univ Res Inst Hlth Sci 1 Yonseidae Gil Wonju 220710 Gangwon South Korea
Lung cancer is the leading cause of cancer death worldwide. Thus, early diagnosis is of considerable importance. For early screening of lung cancer, computed tomography (CT) has been used as the gold standard. Chest d... 详细信息
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Improvement of material decomposition and image quality in dual-energy radiography by reducing image noise
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JOURNAL OF INSTRUMENTATION 2016年 第8期11卷 T08003-T08003页
作者: Lee, D. Kim, Y. -s. Choi, S. Lee, H. Choi, S. Jo, B. D. Jeon, P. -H. Kim, H. Kim, D. Kim, H. Kim, H. -J. Yonsei Univ Coll Hlth Sci Dept Radiat Convergence Engn 1 Yonseidae Gil Wonju 220710 Gangwon South Korea Yonsei Univ Dept Radiol Sci 1 Yonseidae Gil Wonju 220710 Gangwon South Korea Yonsei Univ Res Inst Hlth Sci 1 Yonseidae Gil Wonju 220710 Gangwon South Korea
Although digital radiography has been widely used for screening human anatomical structures in clinical situations, it has several limitations due to anatomical overlapping. To resolve this problem, dual-energy imagin... 详细信息
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Online image corrections applied to a dedicated breast PET
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JOURNAL OF INSTRUMENTATION 2016年 第3期11卷 C03035-C03035页
作者: Moliner, L. Gonzalez, A. J. Correcher, C. Benlloch, J. M. Univ Politecn Valencia CSIC Inst Instrumentat Mol Imaging I3M Cami Vera S-N E-46022 Valencia Spain Prince Felipe Res Ctr Oncovis Eduardo Primo Yufera 3 Valencia Spain
In this work, we present the online implementation of attenuation, scatter and random corrections using the LMEM algorithm for the dedicated breast PET named MAMMI. The attenuation correction is based on image segment... 详细信息
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reconstruction method for grating-based x-ray phase-contrast images without knowledge of the grating positions
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JOURNAL OF INSTRUMENTATION 2015年 第12期10卷 P12017-P12017页
作者: Pelzer, G. Rieger, J. Hauke, C. Horn, F. Michel, T. Seifert, M. Anton, G. Univ Erlangen Nurnberg Erlangen Ctr Astroparticle Phys Erwin Rommel Str 1 D-91058 Erlangen Germany
To retrieve the phase information of x-rays using a Talbot-Lau interferometer, the knowledge of the grating positions is mandatory. Transferring the interferometer technique from the laboratory to a conventional x-ray... 详细信息
来源: 评论
Using triple gamma coincidences with a pixelated semiconductor Compton-PET scanner: a simulation study
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JOURNAL OF INSTRUMENTATION 2016年 第1期11卷
作者: Kolstein, M. Chmeissani, M. Barcelona Inst Sci & Technol IFAE Campus UAB E-08193 Bellaterra Barcelona Spain
The Voxel Imaging PET (VIP) Pathfinder project presents a novel design using pixelated semiconductor detectors for nuclear medicine applications to achieve the intrinsic image quality limits set by physics. The concep... 详细信息
来源: 评论
Development of a novel gamma probe for detecting radiation direction
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JOURNAL OF INSTRUMENTATION 2016年 第1期11卷 C01002-C01002页
作者: Pani, R. Pellegrini, R. Cinti, M. N. Longo, M. Donnarumma, R. D'Alessio, A. Borrazzo, C. Pergola, A. Ridolfi, S. De Vincentis, G. Univ Roma La Sapienza Dept Sci & Med & Surg Biotechnol Piazzale Aldo Moro 5 I-00185 Rome Italy Ist Nazl Fis Nucl Sez Roma Piazzale Aldo Moro 2 I-00185 Roma Rome Italy Univ Roma La Sapienza Dept Mol Med Piazzale Aldo Moro 5 I-00185 Rome Italy Univ Roma La Sapienza Postgrad Sch Med Phys Piazzale Aldo Moro 5 I-00185 Rome Italy Univ Roma La Sapienza Piazzale Aldo Moro 5 I-00185 Rome Italy Ars Mensurae Via Vincenzo Comparini 101 I-00188 Rome Italy Univ Roma La Sapienza Dept Radiol Sci Oncol & Anat Pathol Piazzale Aldo Moro 5 I-00185 Rome Italy
Spatial localization of radioactive sources is currently a main issue interesting different fields, including nuclear industry, homeland security as well as medical imaging. It is currently achieved using different sy... 详细信息
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Development of a proton Computed Tomography detector system
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JOURNAL OF INSTRUMENTATION 2016年 第2期11卷 C02012-C02012页
作者: Naimuddin, Md. Coutrakon, G. Blazey, G. Boi, S. Dyshkant, A. Erdelyi, B. Hedin, D. Johnson, E. Krider, J. Rukalin, V. Uzunyan, S. A. Zutshi, V. Fordt, R. Sellberg, G. Rauch, J. E. Roman, M. Rubinov, P. Wilson, P. Univ Delhi Dept Phys & Astrophys Delhi 110007 India No Illinois Univ Dept Phys De Kalb IL 60115 USA Fermilab Natl Accelerator Lab POB 500 Batavia IL 60510 USA
computer tomography is one of the most promising new methods to image abnormal tissues inside the human body. Tomography is also used to position the patient accurately before radiation therapy. Hadron therapy for tre... 详细信息
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Preliminary evaluation of a monolithic detector module for integrated PET/MRI scanner with high spatial resolution
Preliminary evaluation of a monolithic detector module for i...
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16th International Workshop on Radiation Imaging Detectors
作者: Pani, R. Gonzalez, A. J. Bettiol, M. Fabbri, A. Cinti, M. N. Preziosi, E. Borrazzo, C. Conde, P. Pellegrini, R. Di Castro, E. Majewski, S. Univ Roma La Sapienza Dept Mol Med I-00185 Rome Italy CSIC I3M Valencia 46022 Spain Univ Roma La Sapienza Postgrad Sch Med Phys I-00185 Rome Italy Univ Roma La Sapienza SAIMLAL Dept Doctorate Sch Biol & Mol Med Morphofunct Sci Biophys I-00185 Rome Italy Univ Roma La Sapienza Dept Radiol Sci Oncol & Pathol I-00185 Rome Italy W Virginia Univ Dept Radiol Ctr Adv Imaging Morgantown WV 26506 USA
The proposal of Mindview European Project concerns with the development of a very high resolution and high efficiency brain dedicated PET scanner simultaneously working with a Magnetic Resonance scanner, that expects ... 详细信息
来源: 评论