Free-running time-resolved first-pass myocardial perfusion using a multi-scale dynamics decomposition: CMR-MOTUS [0.03%]
基于多尺度动力学分解的自由运行时相变化的心肌灌注首过法:CMR-MOTUS
Thomas E Olausson,Maarten L Terpstra,Niek R F Huttinga et al.
Thomas E Olausson et al.
Objective: First-pass myocardial perfusion involves several types of dynamics, including cardiac motion, respiratory motion, bulk motion and contrast agent inflow. To accurately quantify the initial inflow of the contrast...
MDFNet: a multi-dimensional feature fusion model based on structural magnetic resonance imaging representations for brain age estimation [0.03%]
基于结构磁共振成像表示的多维特征融合模型的脑年龄估计方法研究(MDFNet)
Chenxiao Zhang,Pengzhi Nan,Limei Song et al.
Chenxiao Zhang et al.
Objectives: Brain age estimation plays a significant role in understanding the aging process and its relationship with neurodegenerative diseases. The aim of the study is to devise a unified multi-dimensional feature fusi...
Upright 0.5 T open MR defaecating proctography proof of concept study: the inter- and intra-rater variability of pelvic floor measures using seated proctography [0.03%]
直立0.5T开口磁共振排粪造影概念验证研究:使用坐姿排粪造影测量盆底参数的组间和组内变异性研究
Rashed Sobhan,Paul M Glover,Penny A Gowland et al.
Rashed Sobhan et al.
Objective: We tested the feasibility, data quality, and reliability of an upright magnetic resonance defaecating proctography (uMRDP) technique using an Open 0.5 T ASG MRI scanner. ...
RF phase modulation improves quantitative transient state sequences under constrained conditions [0.03%]
基于约束条件的定量暂态序列射频相位调制改善方法
Miha Fuderer,Hongyan Liu,Oscar van der Heide et al.
Miha Fuderer et al.
Objective: Within gradient-spoiled transient-state MR sequences like Magnetic Resonance Fingerprinting or Magnetic Resonance Spin TomogrAphy in Time-domain (MR-STAT), it is examined whether an optimized RF phase modulatio...
Comparison of [Formula: see text] + and SAR efficiency for a high-impedance metamaterial shield with different remote RF arrays at 7 T MRI: A simulation study [0.03%]
基于不同远程射频阵列的高阻抗 metamaterial 屏蔽在7T磁共振成像中比较[formula: see text]+和sar效率:一种仿真研究
Ignacio N López-Martínez,Mark E Ladd,Rita Schmidt et al.
Ignacio N López-Martínez et al.
Introduction: This study explores high-impedance surface (HIS) metamaterial shields for enhancing the transmit field in whole-body MRI at 7 T. We studied the possibility of placing a metamaterial layer between the gradien...
Improving magnetic field homogeneity in prostate MR imaging and spectroscopy using an add-on local external shim coil array [0.03%]
用于前列腺MR成像和光谱学的附加局部外置匀场线圈阵列提高磁场均匀性
Angeliki Stamatelatou,Carlijn Tenbergen,Sahar Nassirpour et al.
Angeliki Stamatelatou et al.
Objective: To improve B0 field homogeneity in prostate MR imaging and spectroscopy using a custom-designed 16-channel external local shim coil array. Meth...
Aizada Nurdinova,Stefan Ruschke,Michael Gestrich et al.
Aizada Nurdinova et al.
Purpose: To enable accelerated Bloch simulations by enhancing the open-source multi-purpose MRI simulation tool JEMRIS with graphic processing units (GPU) parallelization. ...
Comparison of observed image quality and technical image quality parameters in 3D-FLAIR images [0.03%]
3D-FLAIR图像观察图像质量和技术图像质量参数的比较
Juha I Peltonen,Teemu Mäkelä,Linda Kuusela et al.
Juha I Peltonen et al.
Objectives: Magnetic resonance imaging (MRI) is a complex medical imaging method where multiple technical and physiological factors may lead to undesired changes in image quality. The quality control methods utilizing tes...
Epicardial and paracardial adipose tissue quantification in short-axis cardiac cine MRI using deep learning [0.03%]
基于深度学习的短轴心脏电影MRI的心外膜和心旁脂肪组织量化技术
Rui Zhang,Xu Wang,Zijian Zhou et al.
Rui Zhang et al.
Objective: Epicardial and paracardial adipose tissues (EAT and PAT) are two types of fat depots around the heart and they have important roles in cardiac physiology. Manual quantification of EAT and PAT from cardiac MR (C...
Andreia Gaspar,Martijn Nagtegaal,Francesco Santini et al.
Andreia Gaspar et al.