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检索条件"主题词=Image Postprocessing"
30 条 记 录,以下是1-10 订阅
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image postprocessing of aortic CTA and MRA
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RADIOLOGE 2007年 第11期47卷 1003-1011页
作者: von Tengg-Kobligk, H. Weber, T. F. Rengier, F. Boeckler, D. Schumacher, H. Kauczor, H. -U. Univ Heidelberg Klin Gefasschirurg Vasculaire & Endovasc Chirurg Heidelberg Germany Klinikum Stadt Hanau Klin Gefasschirurg Hanau Germany
Multiplanar reformation (MPR) is the most relevant tool for patient selection and precise procedural planning and also for analyzing postinterventional complications. Curved MPR is used primarily for semiautomated or ... 详细信息
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Deep learning-based noise reduction for coronary CT angiography: using four-dimensional noise-reduction images as the ground truth
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ACTA RADIOLOGICA 2023年 第5期64卷 1831-1840页
作者: Kobayashi, Takuma Nishii, Tatsuya Umehara, Kensuke Ota, Junko Ohta, Yasutoshi Fukuda, Tetsuya Ishida, Takayuki Osaka Univ Grad Sch Med Dept Med Phys & Engn Suita Japan Natl Cerebral & Cardiovasc Ctr Dept Radiol Suita Japan Natl Inst Quantum Sci & Technol QST QST Hosp Dept Med Technol Med Informat Sect Chiba Japan Natl Inst Quantum Sci & Technol Inst Quantum Med Sci Dept Mol Imaging & Theranost Appl MRI Res Chiba Japan Osaka Univ Dept Med Phys & Engn Grad Sch Med 1-7 Yamadaoka Suita Osaka 5650871 Japan
Background To assess low-contrast areas such as plaque and coronary artery stenosis, coronary computed tomography angiography (CCTA) needs to provide images with lower noise without increasing radiation doses. Purpose... 详细信息
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Separation of arteries and veins in 3D MR angiography using correlation analysis
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MAGNETIC RESONANCE IN MEDICINE 2000年 第3期43卷 481-487页
作者: Bock, M Schoenberg, SO Floemer, F Schad, LR Deutsch Krebsforschungszentrum FS Radiol Diagnost & Therapie D-69120 Heidelberg Germany
Multiphase contrast-enhanced 3D MR angiography (MRA) data sets allow the separate visualization of the arterial and venous pulmonary vasculature. However, due to short arterial-to-venous bolus transit times in the lun... 详细信息
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Spectral Detector Computed Tomography Pulmonary Angiography: Improved Diagnostic Assessment and Automated Estimation of Window Settings Angiography of Pulmonary Arteries From Novel Spectral Detector Computed Tomography Provides Improved image Quality if Settings are Adjusted
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JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY 2018年 第6期42卷 850-857页
作者: Hokamp, Nils Grosse Kessner, Rivka Van Hedent, Steven Graner, Frank Philipp Gupta, Amit Gilkeson, Robert Univ Hosp Cleveland Med Ctr Dept Radiol 11000 Euclid Ave Cleveland OH 44106 USA Case Western Reserve Univ Dept Radiol Cleveland OH 44106 USA Univ Hosp Brussels Dept Radiol Brussels Belgium
Objective This study aimed to evaluate image quality (IQ) of virtual monoenergetic images (VMIs) from novel spectral detector computed tomography angiography of the pulmonary arteries and to identify appropriate windo... 详细信息
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Blocking artifact reduction in compressed images based on edge-adaptive quadrangle meshes
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JOURNAL OF VISUAL COMMUNICATION AND image REPRESENTATION 2003年 第4期14卷 492-507页
作者: Gan, XC Liew, AWC Yan, H City Univ Hong Kong Dept Comp Engn & Informat Technol Kowloon Hong Kong Peoples R China Univ Sydney Sch Elect & Informat Engn Sydney NSW 2006 Australia
During image deblocking, the preservation of visually significant edges in the image is important. Based on the observation that blocking artifact along edge direction is difficult for human perception, a number of ex... 详细信息
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Feasibility of thin-slice, low noise images created using multi-kernel synthesis to replace multiple image series in head CT
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ACTA RADIOLOGICA 2024年 第11期65卷 1411-1421页
作者: Inoue, Akitoshi Diehn, Felix E. Nagelschneider, Alex A. Passe, Theodore J. DeLone, David R. Nelson, Brandon J. Cardona, Daniel G. Gomez Huber, Nathan R. Missert, Andrew D. Yu, Lifeng Johnson, Matthew P. Holmes, David R. Lee, Yong S. Thorne, Jamison E. McCollough, Cynthia H. Fletcher, Joel G. Mayo Clin Dept Radiol 200 First St SW Rochester MN 55905 USA Mayo Clin Dept Quantitat Hlth Sci Rochester MN USA Mayo Clin Dept Physiol Biomed Engn Rochester MN USA Shiga Univ Med Sci Dept Radiol Shiga Japan Gunderson Hlth Syst Dept Imaging La Crosse WI USA
Background SynthesiZed Improved Resolution and Concurrent nOise reductioN (ZIRCON) is a multi-kernel synthesis method that creates a single series of thin-slice computed tomography (CT) images displaying low noise and... 详细信息
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INSTRUMENTATION FOR MAGNETIC-RESONANCE ANGIOGRAPHY
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CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY 1992年 第1期15卷 14-22页
作者: SALONER, D ANDERSON, CM Departments of Radiology Service (114) VA Medical Center and University of California San Francisco San Francisco USA
Magnetic resonance angiography (MRA) places high demands on instrumentation capabilities. Magnetic gradient strength capabilities, main magnetic field strength and homogeneity, and eddy current compensation all play a... 详细信息
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Evaluation of Gd-enhancement in brain MR of multiple sclerosis: image subtraction with and without magnetization transfer.
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EUROPEAN RADIOLOGY 2002年 第8期12卷 2077-2082页
作者: Sardanelli, F Losacco, C Iozzelli, A Renzetti, P Rosso, E Parodi, RC Bonetti, M Murialdo, A Ist Policlin San Donato Dept Diagnost Imaging I-20097 San Donato Milanese MI Italy Univ Genoa Sch Med Dept Expt Med Sect Diagnost Imaging I-16132 Genoa Italy San Martino Hosp Dept Neuroradiol I-16132 Genoa Italy Univ Genoa Sch Med Dept Neurol Sci & Vis I-16132 Genoa Italy
The aim of our study was to test the possibility of using image subtraction in detecting enhancing lesions in brain MR scans with and without magnetization transfer (MT) in multiple sclerosis (MS). Ten MS patients und... 详细信息
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MR Lymphangiography: How I Do It
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JOURNAL OF MAGNETIC RESONANCE IMAGING 2015年 第6期42卷 1465-1477页
作者: Mitsumori, Lee M. McDonald, Elizabeth S. Wilson, Gregory J. Neligan, Peter C. Minoshima, Satoshi Maki, Jeffrey H. Straub Clin & Hosp Dept Radiol Honolulu HI 96813 USA Univ Penn Dept Radiol Philadelphia PA 19104 USA Univ Washington Dept Radiol Seattle WA 98195 USA Univ Washington Dept Plast Surg Seattle WA 98195 USA
Lymphedema is a chronic progressive edematous disease that in the United States is most commonly related to malignancy and its treatment. Lymphaticovenular anastomosis is a recently introduced microsurgical treatment ... 详细信息
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Diagnostic Imaging of Oral and Maxillofacial Anatomy and Pathology
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VETERINARY CLINICS OF NORTH AMERICA-SMALL ANIMAL PRACTICE 2022年 第1期52卷 67-105页
作者: Villamizar-Martinez, Lenin A. Tsugawa, Anson J. North Carolina State Univ Dept Clin Sci Coll Vet Med 1060 William Moore Dr Raleigh NC 27607 USA Dog & Cat Dentist Inc 9599 Jefferson Blvd Culver City CA 90232 USA
This article describes the technical principles and indications for the most often encountered diagnostic imaging modalities in veterinary dentistry and oral surgery; with extensive coverage of intraoral (and extraora... 详细信息
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