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Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13540
Abstract: Abstract An in‐house hybrid deformable image registration (DIR) method, which combines free‐form deformation (FFD) and the viscous fluid registration method, is proposed. Its results on the planning computed tomography (CT) and the day 1 treatment…
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Keywords:
dir method;
house hybrid;
method;
proposed method ... See more keywords
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Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13626
Abstract: Abstract Purpose Accurate tracer accumulation evaluation is difficult owing to the partial volume effect (PVE). We proposed a novel semi‐quantitative approach for measuring the accumulation amount by examining the approximate image. Using a striatal phantom,…
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Keywords:
tracer;
region;
accumulation amounts;
accumulation ... See more keywords
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Published in 2018 at "Medical Physics"
DOI: 10.1002/mp.12661
Abstract: PURPOSE Segmentation of lesions in ultrasound images is widely used for preliminary diagnosis. In this paper, we develop an automatic segmentation algorithm for multiple types of lesions in ultrasound images. The proposed method is able…
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Keywords:
edge indicator;
segmentation;
ultrasound images;
proposed method ... See more keywords
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Published in 2019 at "Medical physics"
DOI: 10.1002/mp.13555
Abstract: PURPOSE In diffusion-weighted magnetic resonance imaging (DW-MRI), the fiber orientation distribution function (fODF) is of great importance for solving complex fiber configurations to achieve reliable tractography throughout the brain, which ultimately facilitates the understanding of…
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Keywords:
network;
msmt csd;
method;
number ... See more keywords
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Published in 2019 at "Medical physics"
DOI: 10.1002/mp.13656
Abstract: PURPOSE The incorporation of cone-beam CT (CBCT) has allowed for enhanced image-guided radiation therapy. While CBCT allows for daily 3D imaging, images suffer from severe artifacts, limiting the clinical potential of CBCT. In this work,…
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Keywords:
image;
correction;
method;
cycle ... See more keywords
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Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14566
Abstract: PURPOSE Reconstructing the images from undersampled k-space data is an ill-posed inverse problem. As a solution to this problem, we propose a method to reconstruct MR images directly from k-space data using a recurrent neural…
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Keywords:
space;
network;
space data;
proposed method ... See more keywords
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Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15468
Abstract: PURPOSE Arterial spin labeling (ASL) magnetic resonance imaging (MRI) is an advanced non-invasive imaging technology that can measure cerebral blood flow (CBF) quantitatively without a contrast agent injection or radiation exposure. However, because of the…
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Keywords:
asl images;
resolution;
interpolation;
proposed method ... See more keywords
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Published in 2022 at "Medical Physics"
DOI: 10.1002/mp.15881
Abstract: Abstract Purpose Although echo‐planar imaging (EPI) is widely used for diffusion magnetic resonance (MR) imaging, EPI images suffer from susceptibility‐induced geometric distortions. We herein propose a new estimation method for undistorted EPI images using anatomical…
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Keywords:
registration based;
method;
estimation;
proposed method ... See more keywords
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Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15910
Abstract: BACKGROUND While three-dimensional transesophageal echocardiography (3D TEE) has been increasingly used for assessing cardiac anatomy and function, it still suffers from a limited field of view (FoV) of the ultrasound transducer. Therefore, it is difficult…
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Keywords:
fusion;
tee;
multiview;
method ... See more keywords
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Published in 2022 at "Medical physics"
DOI: 10.1002/mp.16031
Abstract: BACKGROUND Intravoxel incoherent motion (IVIM) is a type of diffusion-weighted imaging (DWI), and IVIM model parameters (water molecule diffusion rate Dt, pseudo diffusion coefficient Dp, and tissue perfusion fraction Fp) have been widely used in…
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Keywords:
diffusion;
ivim;
model;
method ... See more keywords
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Published in 2023 at "Medical physics"
DOI: 10.1002/mp.16425
Abstract: BACKGROUND Wave gradient encoding can adequately utilize coil sensitivity profiles to facilitate higher accelerations in parallel magnetic resonance imaging (pMRI). However, there are limitations in mainstream pMRI and a few deep learning (DL) methods for…
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Keywords:
magnetic resonance;
network;
wave encoding;
resonance imaging ... See more keywords