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Comprehensive approach for motion and distortion correction in diffusion weighted MRI
Comprehensive approach motion and distortion correction diffusion weighted MRI
2009/12/23
Comprehensive approach for motion and distortion correction in diffusion weighted MRI.
Quantitative and O2 Enhanced MRI of the Pathologic Lung: Findings in Emphysema, Fibrosis, and Cystic Fibrosis
the Pathologic Lung Emphysema Cystic Fibrosis
2009/9/7
Purpose: beyond the pure morphological visual representation, MR imaging offers the possibility to quantify parameters in the healthy, as well as, in pathologic lung parenchyma. Gas exchange is the pr...
Contribution of Exploratory Methods to the Investigation of Extended Large-Scale Brain Networks in Functional MRI: Methodologies, Results, and Challenges
Functional MRI Methodologies
2009/9/4
A large-scale brain network can be defined as a set of segregated and integrated regions, that is, distant regions that share strong anatomical connections and functional interactions. Data-driven inv...
Segmentation of Myocardial Boundaries in Tagged Cardiac MRI Using Active Contours: A Gradient-Based Approach Integrating Texture Analysis
Myocardial Boundaries MRI
2009/9/4
The noninvasive assessment of cardiac function is of first importance for the diagnosis of cardiovascular diseases. Among all medical scanners only a few enables radiologists to evaluate the local car...
Surgical Navigation of Integral Videography Image Overlay for Open MRI-guided Glioma Surgery
integral videography 3-D image surgical navigation image overlay
2009/6/9
A three-dimensional (3D) image overlay navigation system has been developed for open MRI-guided glioma surgery. The images are created by employing animated auto-stereoscopic images of integral videog...
Tensorial Representation of Ionophoresis Effects by MRI
MRI Ionophoresis Diffusion tensor analysis
2009/6/8
The goal of this study is to make active or passive electrical characteristics of biological systems visible by magnetic resonance imaging (MRI). As a starting investigation, we visualized a precise f...
A model-based time-reversal of left ventricular motion improves cardiac motion analysis using tagged MRI data
left ventricular motion cardiac motion analysis tagged MRI data
2010/2/25
To improve the estimation performance of large cardiac motions while analyzing tMRI data sets, we propose a two-step solution. The first step involves constructing a model to describe average systolic...
MRI梯度磁场下人体心脏感应涡流仿真研究
时域有限差分法 吸收边界条件 磁共振成像(MRI) 感应涡流 梯度磁场
2008/4/27
通过MRI中梯度磁场对人体心脏影响的模型仿真,运用FDTD方法计算出心脏部分感应涡流,并与心脏刺激阈值进行比较.结果表明,心脏感应涡流的峰值离推荐阈值尚有一定距离,因此不会诱发心室颤动,但是提高梯度场的切换频率可能会引发心室颤动.