Partial policy-based reinforcement learning for anatomical landmark localization in 3d medical images

WA Al, ID Yun - IEEE transactions on medical imaging, 2019 - ieeexplore.ieee.org
Utilizing the idea of long-term cumulative return, reinforcement learning (RL) has shown
remarkable performance in various fields. We follow the formulation of landmark localization …

Signed distance field based segmentation and statistical shape modelling of the left atrial appendage

KA Juhl, J Slipsager, O De Backer, K Kofoed… - arXiv preprint arXiv …, 2024 - arxiv.org
Patients with atrial fibrillation have a 5-7 fold increased risk of having an ischemic stroke. In
these cases, the most common site of thrombus localization is inside the left atrial …

Deep learning-based automatic left atrial appendage filling defects assessment on cardiac computed tomography for clinical and subclinical atrial fibrillation patients

L Chen, SH Huang, TH Wang, TY Lan, VS Tseng… - Heliyon, 2023 - cell.com
Rationale and objectives Selecting region of interest (ROI) for left atrial appendage (LAA)
filling defects assessment can be time consuming and prone to subjectivity. This study …

Centerline depth world for left atrial appendage orifice localization using reinforcement learning

WA Al, ID Yun, EJ Chun - Computerized Medical Imaging and Graphics, 2023 - Elsevier
Left atrial appendage (LAA) occlusion (LAAO) is a minimally invasive implant-based method
to prevent cardiovascular stroke in patients with non-valvular atrial fibrillation. Assessing the …

A survey of left atrial appendage segmentation and analysis in 3D and 4d medical images

H Leventić, M Benčević, D Babin, M Habijan… - arXiv preprint arXiv …, 2022 - arxiv.org
Atrial fibrillation (AF) is a cardiovascular disease identified as one of the main risk factors for
stroke. The majority of strokes due to AF are caused by clots originating in the left atrial …

Reinforcement learning-based automatic diagnosis of acute appendicitis in abdominal ct

WA Al, ID Yun, KJ Lee - arXiv preprint arXiv:1909.00617, 2019 - arxiv.org
Acute appendicitis characterized by a painful inflammation of the vermiform appendix is one
of the most common surgical emergencies. Localizing the appendix is challenging due to its …

[PDF][PDF] Algorithm for recognition of left atrial appendage boundaries in echocardiographic images

H Ghayoumi Zadeh, A Fayazi, N Melikian… - Iranian Journal of …, 2021 - academia.edu
Results: Algorithm performance on the identification of the LAA region on a set of 143
images was compared to that reported for the traced regions on the same images by an …

Automatic segmentation framework for left atrial appendage orifice identification from 3D echocardiography

A Crestan - 2022 - politesi.polimi.it
Atrial fibrillation is one of the most common cardiac arrhythmias, affecting more than 33
million people worldwide. Patients with atrial fibrillation (AF) are at high risk of stroke and …

Segmentation of the Left Atrial Appendage in the Echocardiographic Images of the Heart Using a Deep Neural Network

H Ghayoumi Zadeh, A Fayazi, K Rezaee… - Journal of Health and …, 2021 - jhbmi.ir
Method: The data used in this descriptive analytical study included 3D echocardiographic
images of the heart of 32 patients in King's College Hospital in London. All patients were …