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scholarly journals HARP-I: A Harmonic Phase Interpolation Method for the Estimation of Motion from Tagged MR Images

2021 ◽  
pp. 1-1
Author(s):  
Hernan Mella ◽  
Joaquin Mura ◽  
Hui Wang ◽  
Michael D. Taylor ◽  
Radomir Chabiniok ◽  
...  
Keyword(s):  
Interpolation Method ◽  
Mr Images ◽  
Harmonic Phase ◽  
Tagged Mr Images ◽  
Phase Interpolation

Detecting liver fibrosis using a machine learning‐based approach to the quantification of the heart‐induced deformation in tagged MR images

2019 ◽  
Vol 33 (1) ◽  
Author(s):  
Yasmine Ahmed ◽  
Rasha S. Hussein ◽  
Tamer A. Basha ◽  
Ayman M. Khalifa ◽  
Ahmed S. Ibrahim ◽  
...  
Keyword(s):  
Machine Learning ◽  
Liver Fibrosis ◽  
Mr Images ◽  
Tagged Mr Images

scholarly journals A gradient-based optical-flow cardiac motion estimation method for cine and tagged MR images

2019 ◽  
Vol 57 ◽  
pp. 136-148 ◽  
Author(s):  
Liang Wang ◽  
Patrick Clarysse ◽  
Zhengjun Liu ◽  
Bin Gao ◽  
Wanyu Liu ◽  
...  
Keyword(s):  
Motion Estimation ◽  
Optical Flow ◽  
Estimation Method ◽  
Cardiac Motion ◽  
Mr Images ◽  
Gradient Based ◽  
Tagged Mr Images

Myocardial motion analysis based on an optical flow method using tagged MR images

2018 ◽  
Vol 11 (2) ◽  
pp. 202-211 ◽  
Author(s):  
Daiki Tabata ◽  
Haruo Isoda ◽  
Kaori Kato ◽  
Hiroki Matsubara ◽  
Takafumi Kosugi ◽  
...  
Keyword(s):  
Optical Flow ◽  
Motion Analysis ◽  
Mr Images ◽  
Myocardial Motion ◽  
Flow Method ◽  
Optical Flow Method ◽  
Tagged Mr Images

Segmentation of cardiac tagged MR images using a snake model based on hybrid gradient vector flow

2017 ◽  
Vol 77 (17) ◽  
pp. 21879-21904 ◽  
Author(s):  
Zhuo Yu ◽  
Qian Wang ◽  
Wei Xiong ◽  
Chengde Zhang ◽  
Huaifei Hu
Keyword(s):  
Gradient Vector Flow ◽  
Gradient Vector ◽  
Mr Images ◽  
Snake Model ◽  
Model Based ◽  
Tagged Mr Images

scholarly journals Artifacts reduction in strain maps of tagged magnetic resonance imaging using harmonic phase

Open Medicine ◽  
2015 ◽  
Vol 10 (1) ◽  
Author(s):  
Daolei Wang ◽  
YaBo Fu ◽  
Muhammad Aqeel Ashraf
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Soft Tissues ◽  
Myocardial Strain ◽  
Resonance Imaging ◽  
Mr Images ◽  
Harmonic Phase ◽  
Tagged Mr Images ◽  
Dc Component ◽  
Tagged Magnetic Resonance Imaging

AbstractTagged Magnetic Resonance Imaging (MRI) is a noninvasive technique for examining myocardial function and deformation. Tagged MRI can also be used in quasistatic MR elastography to acquire strain maps of other biological soft tissues. Harmonic phase (HARP) provides automatic and rapid analysis of tagged MR images for the quantification and visualization of myocardial strain. We propose a new artifact reduction method in strain maps. Image intensity of the DC component is estimated and subtracted from spatial modulation of magnetization (SPAMM) tagged MR images. DC peak interference in harmonic phase extraction is greatly reduced after DC component subtraction. The proposed method is validated using both simulated and MR acquired tagged images. Strain maps are obtained with better accuracy and smoothness after DC component subtraction.

A Comprehensive Cardiac Motion Estimation Framework Using Both Untagged and 3-D Tagged MR Images Based on Nonrigid Registration

2012 ◽  
Vol 31 (6) ◽  
pp. 1263-1275 ◽  
Author(s):  
Wenzhe Shi ◽  
Xiahai Zhuang ◽  
Haiyan Wang ◽  
S. Duckett ◽  
D. V. N. Luong ◽  
...  
Keyword(s):  
Motion Estimation ◽  
Cardiac Motion ◽  
Nonrigid Registration ◽  
Mr Images ◽  
Tagged Mr Images

scholarly journals Incompressible Deformation Estimation Algorithm (IDEA) From Tagged MR Images

2012 ◽  
Vol 31 (2) ◽  
pp. 326-340 ◽  
Author(s):  
Xiaofeng Liu ◽  
Khaled Z. Abd-Elmoniem ◽  
Maureen Stone ◽  
Emi Z. Murano ◽  
Jiachen Zhuo ◽  
...  
Keyword(s):  
Estimation Algorithm ◽  
Mr Images ◽  
Tagged Mr Images
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