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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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image reconstruction method in grating interferometer with phase stepping using grating position and dose fluctuation correction
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JOURNAL OF INSTRUMENTATION 2023年 第7期18卷 P07006页
作者: Oh, Ohsung Kim, Daeseung Kim, Kyung Lee, Seung Wook Pusan Natl Univ Sch Mech Engn Busandaehak Ro 63beon Gil Busan 46241 South Korea
In this paper, we propose a method for reducing artifacts in X-ray and neutron grating interferometer imaging by optimizing the grating position and dose fluctuation. Grating interferometer can obtain additional infor... 详细信息
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Designs of three different octagonal-shaped antennas for microwave-based breast cancer detection
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JOURNAL OF INSTRUMENTATION 2023年 第9期18卷 P09013页
作者: Aydin, Emine Avsar Aydin, Ahmet Saribas, Gozde Adana Alparslan Turkes Sci & Technol Univ Dept Aerosp Engn Saricam Adana Turkiye Cukurova Univ Dept Biomed Engn Balcali Adana Turkiye
Today, there are numerous studies on Microwave Imaging methods. Thanks to these studies, the success and accuracy rate, especially in breast cancer diagnosis, increases. Microstrip antennas are used in the microwave i... 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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Study of position reconstruction of a LaBr3: Ce continuous scintillation crystal for medical applications
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JOURNAL OF INSTRUMENTATION 2013年 第12期8卷 P12010-P12010页
作者: Fabbri, A. Sacco, D. Bennati, P. Baroncelli, A. Galasso, M. Cinti, M. N. Pellegrini, R. Pani, R. Cencelli, V. O. Univ Rome Roma Tre Dept Phys Rome Italy Univ Roma La Sapienza Dept Mol Med I-00185 Rome Italy Ist Nazl Fis Nucl Sez Roma Uno Rome Italy Ist Nazl Fis Nucl Sez Roma Tre Rome Italy INAIL Rome Italy
Many modern molecular imaging techniques, based on radiopharmaceuticals, can take advantage of sophisticated devices but are still based on the scintillation detector mechanism proposed by Anger. These devices can per... 详细信息
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Simulation and evaluation of a high resolution VIP PEM system with a dedicated LM-OSEM algorithm
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JOURNAL OF INSTRUMENTATION 2014年 第5期9卷 C05011-C05011页
作者: Uzun, D. De Lorenzo, G. Kolstein, M. Chmeissani, M. Univ Autonoma Barcelona IFAE Bellaterra 08193 Barcelona Spain
Over the last two decades there have been a growing number of designs for positron emission tomography (PET) cameras optimized to image the breast. These devices, commonly known as positron emission mammography (PEM) ... 详细信息
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Quantitative evaluation of anatomical noise in chest digital tomosynthesis, digital radiography, and computed tomography
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JOURNAL OF INSTRUMENTATION 2017年 第4期12卷 T04006-T04006页
作者: Lee, D. Choi, S. Lee, H. Kim, D. Choi, S. Kim, H. -J. Yonsei Univ Res Inst Hlth Sci Dept Radiat Convergence Engn 1 Yonseidae Gil Wonju 220710 Gangwon South Korea Yonsei Univ Dept Radiol Sci Coll Hlth Sci 1 Yonseidae Gil Wonju 220710 Gangwon South Korea
Lung cancer is currently the worldwide leading cause of death from cancer. Thus, detection of lung cancer at its early stages is critical for improving the survival rate of patients. Chest digital tomosynthesis (CDT) ... 详细信息
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Measurement and simulative proof concerning the visibility loss in x-ray Talbot-Lau Moire imaging
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JOURNAL OF INSTRUMENTATION 2017年 第12期12卷 T12007-T12007页
作者: Seifert, M. Gallersdoerfer, M. Horn, F. Ludwig, V. Schuster, M. Pelzer, G. Rieger, J. Michel, T. Anton, G. Friedrich Alexander Univ Erlangen Nuremberg ECAP Novel Detectors Med Phys Erwin Rommel Str 1 Erlangen Germany
X-ray grating-based phase-contrast imaging is a very promising imaging technique for medical imaging and non-destructive testing. Simultaneously to the attenuation properties additional information about the phase-shi... 详细信息
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Spectral micro-CT for simultaneous gold and iodine detection, and multi-material identification
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JOURNAL OF INSTRUMENTATION 2024年 第4期19卷 C04023页
作者: Perion, P. Arfelli, F. Menk, R. H. Brombal, L. Univ Trieste Dept Phys Via Alfonso Valerio 2 Trieste Italy Ist Nazl Fis Nucl Div Trieste Via Alfonso Valerio 2 Trieste Italy Elettra Sincrotrone Trieste SS 14Km 1635 Area Sci Pk Trieste Italy Mid Sweden Univ Dept Comp & Elect Engn Holmgatan 10 Sundsvall Sweden
Multiple energy bin spectral micro -CT (SCT) is an advanced imaging technique that allows multi -material decomposition according to their specific absorption patterns at a sub -100 mu m scale. Typically, iodine is th... 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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Preliminary evaluation of a monolithic detector module for integrated PET/MRI scanner with high spatial resolution
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JOURNAL OF INSTRUMENTATION 2015年 第6期10卷 2015 JINST 10 C06006-2015 JINST 10 C06006页
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
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