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检索条件"主题词=Medical-image reconstruction methods and algorithms, computer-aided diagnosis"
49 条 记 录,以下是1-10 订阅
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Study on joint de-noising method of ECG signals with improved CEEMDAN-wavelet thresholding and singular spectrum analysis
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JOURNAL OF INSTRUMENTATION 2025年 第1期20卷
作者: Ge, Liang Ma, Yuhong Xiao, Xiaoting Cheng, Jixiang Li, Zhidan Qin, Wang Southwest Petr Univ Sch Mech & Elect Engn Chengdu 610500 Peoples R China Southwest Petr Univ Sch Elect Engn & Informat Chengdu 610500 Peoples R China
The electrocardiogram (ECG) signal is often contaminated by various noises during acquisition and transmission, and the denoising effect directly affects the diagnosis of heart diseases. To improve the denoising effec... 详细信息
来源: 评论
Picosecond timing performances of the FERS time unit
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JOURNAL OF INSTRUMENTATION 2025年 第1期20卷
作者: Giordano, F. Colombini, L. Doroud, K. Maggio, C. Mati, A. Ninci, D. Picchi, A. Tintori, C. Venturini, Y. Williams, C. Williams, T. CAEN Spa Via Vetraia 11 Viareggio LU Italy Picotech SAS 90 Rue Henri Fabre St Genis Pouilly France
Next-generation high-energy physics experiments will employ high-granularity detectors with thousands of readout channels, necessitating the use of low-power, compact ASICs. The CAEN FrontEnd Readout System (FERS) 520... 详细信息
来源: 评论
Preliminary study on a chest digital tomosynthesis: development and evaluation
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JOURNAL OF INSTRUMENTATION 2015年 第10期10卷 P10035-P10035页
作者: Lee, Y. Lee, S. Eulji Univ Dept Radiol Sci Songnam Gyeonggi Do South Korea Konyang Univ Dept Radiol Sci Daejeon South Korea
Chest digital tomosynthesis (chest DTS) has been recently introduced to overcome the limitations for high patient dose of conventional X-ray radiography and of a cone-beam computed tomography (CBCT) in studies of over... 详细信息
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A deep convolutional neural network for simultaneous denoising and deblurring in computed tomography
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JOURNAL OF INSTRUMENTATION 2020年 第12期15卷
作者: Yim, D. Kim, B. Lee, S. Konyang Univ Dept Med Sci 158 Gwanjeodong Ro Daejeon South Korea Konyang Univ Dept Radiol Sci 158 Gwanjeodong Ro Daejeon South Korea
Computed tomography (CT) has been commonly used for providing medical images. However, CT scans have a potential risk of side-effect due to high radiation dose. In order to overcome this limitation, low-dose CT imagin... 详细信息
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Synthesising two-dimensional mammographic images using compressed sensing-reconstructed digital breast tomosynthesis images
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JOURNAL OF INSTRUMENTATION 2024年 第8期19卷 P08012页
作者: Han, Seohee Yang, Hyesun Xu, Wenting Seo, Changwoo Cho, Hyosung Cha, Bo Kyung Yonsei Univ Dept Radiat Convergence Engn Wonju South Korea Korea Electrotechnol Res Inst Precis Med Device Res Ctr Ansan South Korea
This study presents a method synthesizing a two-dimensional (2D) mammographic image of reasonable quality directly from a 3D digital breast tomosynthesis (DBT) image, reconstructed using an advanced compressed sensing... 详细信息
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A 3D reconstruction solution to ultrasound Joule heat density tomography based on acousto-electric effect: a simulation study
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JOURNAL OF INSTRUMENTATION 2014年 第10期9卷 P10004-P10004页
作者: Yang, Renhuan Song, Aiguo Li, Xiao Dong Lu, Yang Yan, Ruqiang Xu, Baoguo Li, Xu Jinan Univ Coll Informat & Technol Guangzhou 510632 Guangdong Peoples R China Southeast Univ Sch Instrument Sci & Engn Nanjing 210096 Jiangsu Peoples R China Johns Hopkins Univ Dept Radiol & Radiol Sci Baltimore MD 21205 USA
A 3D reconstruction solution to ultrasound Joule heat density tomography based on acousto-electric effect by deconvolution is proposed for noninvasive imaging of biological tissue. Compared with ultrasound current sou... 详细信息
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A comparative study of crystal geometry, material, and reconstruction algorithms on MicroPET scanner performance
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JOURNAL OF INSTRUMENTATION 2024年 第8期19卷 P08028页
作者: Sadremomtaz, Alireza Taherparvar, Payvand Saber, Mohaddeseh Univ Guilan Fac Sci Dept Phys Namjoo AvePostal Code ***POB Rasht 416351914 Guilan Iran
Small-animal PET, also known as microPET, has been developed to enhance image quality by improving spatial resolution and sensitivity due to its smaller ring and crystal size. However, the reduction of crystal size an... 详细信息
来源: 评论
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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MARS-MD: rejection based image domain material decomposition
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JOURNAL OF INSTRUMENTATION 2018年 第5期13卷 P05020-P05020页
作者: Bateman, C. J. Knight, D. Brandwacht, B. Mc Mahon, J. Healy, J. Panta, R. Aamir, R. Rajendran, K. Moghiseh, M. Ramyar, M. Rundle, D. Bennett, J. de Ruiter, N. Smithies, D. Bell, S. T. Doesburg, R. Chernoglazov, A. Mandalika, V. B. H. Walsh, M. Shamshad, M. Anjomrouz, M. Atharifard, A. Broeke, L. Vanden Bheesette, S. Kirkbride, T. Anderson, N. G. Gieseg, S. P. Woodfield, T. Renaud, P. F. Butler, A. P. H. Butler, P. H. MARS Bioimaging Ltd 29a Clyde Rd Christchurch New Zealand Univ Otago Dept Radiol 2 Riccarton Ave Christchurch 8140 New Zealand Univ Canterbury Dept Phys & Astron POB 69 133 Christchurch 7640 New Zealand Lincoln Agritech Ltd Private Bag 4800 Christchurch 8140 New Zealand Univ Canterbury Dept Biol Private Bag 4800 Christchurch 8140 New Zealand HIT Lab NZ John Britten BldgCnr Creyke & Engn Rd Christchurch New Zealand Univ Twente Drienerlolaan 5 NL-7522 NB Enschede Netherlands CERN European Org Nucl Res CH-1211 Geneva Switzerland Univ Canterbury Dept Math & Stat Private Bag 4800 Christchurch 8140 New Zealand Ara Inst Canterbury Dept Nursing Midwifery & Allied Hlth POB 540 Christchurch 8140 New Zealand
This paper outlines image domain material decomposition algorithms that have been routinely used in MARS spectral CT systems. These algorithms (known collectively as MARSMD) are based on a pragmatic heuristic for solv... 详细信息
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MAIR-Net: a sparse-view CT reconstruction network based on a combination of mixed attention and iterative optimization learning
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JOURNAL OF INSTRUMENTATION 2024年 第8期19卷 P08029页
作者: Guo, Tong Liu, Yi Zhang, Pengcheng Liu, Yu Gui, Zhiguo North Univ China Sch Informat & Commun Engn Taiyuan Peoples R China
Sparse-view computed tomography (CT) is one of the main means to reduce radiation risk. When the projection data is highly undersampled, the reconstructed CT image may suffer from serious stripe artifacts and structur... 详细信息
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