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Echocardiography (echo) plays an indispensable role in the clinical practice of heart diseases. However, ultrasound imaging typically provides only two-dimensional (2D) cross-sectional images from a few specific views, making it challenging…

Image and Video Processing · Electrical Eng. & Systems 2025-07-04 Zhurong Chen , Jinhua Chen , Wei Zhuo , Wufeng Xue , Dong Ni

High-quality 3D reconstruction of pulmonary segments plays a crucial role in segmentectomy and surgical planning for the treatment of lung cancer. Due to the resolution requirement of the target reconstruction, conventional deep…

Graphics · Computer Science 2025-12-16 Kangxian Xie , Yufei Zhu , Kaiming Kuang , Li Zhang , Hongwei Bran Li , Mingchen Gao , Jiancheng Yang

The reconstruction of three-dimensional models of coronary arteries is of great significance for the localization, evaluation and diagnosis of stenosis and plaque in the arteries, as well as for the assisted navigation of interventional…

Image and Video Processing · Electrical Eng. & Systems 2024-12-10 Lu Wang , Dong-xue Liang , Xiao-lei Yin , Jing Qiu , Zhi-yun Yang , Jun-hui Xing , Jian-zeng Dong , Zhao-yuan Ma

Accurate airway segmentation from chest computed tomography (CT) scans is essential for quantitative lung analysis, yet manual annotation is impractical and many automated U-Net-based methods yield disconnected components that hinder…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 John M. Oyer , Ali Namvar , Benjamin A. Hoff , Wassim W. Labaki , Ella A. Kazerooni , Charles R. Hatt , Fernando J. Martinez , MeiLan K. Han , Craig J. Galbán , Sundaresh Ram

With the injection of contrast material into blood vessels, multi-phase contrasted CT images can enhance the visibility of vessel networks in the human body. Reconstructing the 3D geometric morphology of liver vessels from the contrasted CT…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Donghao Zhang , Siqi Liu , Shikha Chaganti , Eli Gibson , Zhoubing Xu , Sasa Grbic , Weidong Cai , Dorin Comaniciu

A joint image reconstruction and segmentation approach based on disentangled representation learning was trained to enable cardiac cine MR imaging in real-time and under free-breathing. An exploratory feasibility study tested the proposed…

Atrial Fibrillation (AF), the most common sustained cardiac arrhythmia worldwide, increasingly requires accurate bi-atrial structural assessment to guide ablation strategies, particularly in persistent AF. Late gadolinium-enhanced magnetic…

Image and Video Processing · Electrical Eng. & Systems 2025-10-07 Malitha Gunawardhana , Mark L Trew , Gregory B Sands , Jichao Zhao

Segmentation of the left atrium (LA) is crucial for assessing its anatomy in both pre-operative atrial fibrillation (AF) ablation planning and post-operative follow-up studies. In this paper, we present a fully automated framework for left…

Computer Vision and Pattern Recognition · Computer Science 2019-02-28 Chen Chen , Wenjia Bai , Daniel Rueckert

Electroanatomic mapping as routinely acquired in ablation therapy of ventricular tachycardia is the gold standard method to identify the arrhythmogenic substrate. To reduce the acquisition time and still provide maps with high spatial…

Atrial Fibrillation (AF) is a common electro-physiological cardiac disorder that causes changes in the anatomy of the atria. A better characterization of these changes is desirable for the definition of clinical biomarkers, furthermore,…

Machine Learning · Statistics 2018-09-28 Nicoló Savioli , Giovanni Montana , Pablo Lamata

Intensity modulated radiotherapy (IMRT) is one of the most common modalities for treating cancer patients. One of the biggest challenges is precise treatment delivery that accounts for varying motion patterns originating from…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Matej Gazda , Peter Drotar , Liset Vazquez Romaguera , Samuel Kadoury

The diffusion of minimally invasive, endovascular interventions motivates the development of visualization methods for complex vascular networks. We propose a planar representation of blood vessel trees which preserves the properties that…

Image and Video Processing · Electrical Eng. & Systems 2025-10-23 Guillaume Houry , Tom Boeken , Stéphanie Allassonnière , Jean Feydy

Myocardial Velocity Mapping Cardiac MR (MVM-CMR) can be used to measure global and regional myocardial velocities with proved reproducibility. Accurate left ventricle delineation is a prerequisite for robust and reproducible myocardial…

Image and Video Processing · Electrical Eng. & Systems 2021-04-28 Mengmeng Kuang , Yinzhe Wu , Diego Alonso-Álvarez , David Firmin , Jennifer Keegan , Peter Gatehouse , Guang Yang

With superiorities on low cost, portability, and free of radiation, echocardiogram is a widely used imaging modality for left ventricle (LV) function quantification. However, automatic LV segmentation and motion tracking is still a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Sihong Chen , Kai Ma , Yefeng Zheng

In robot-assisted Fenestrated Endovascular Aortic Repair (FEVAR), accurate alignment of stent graft fenestrations or scallops with aortic branches is essential for establishing complete blood flow perfusion. Current navigation is largely…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Jian-Qing Zheng , Xiao-Yun Zhou , Guang-Zhong Yang

Efficient and fast reconstruction of anatomical structures plays a crucial role in clinical practice. Minimizing retrieval and processing times not only potentially enhances swift response and decision-making in critical scenarios but also…

Catheter ablation of Atrial Fibrillation (AF) consists of a one-size-fits-all treatment with limited success in persistent AF. This may be due to our inability to map the dynamics of AF with the limited resolution and coverage provided by…

For the one billion sufferers of respiratory disease, managing their disease with inhalers crucially influences their quality of life. Generic treatment plans could be improved with the aid of computational models that account for…

Pulsed field ablation (PFA) has emerged as a non-thermal alternative to traditional thermal ablation techniques for the treatment of atrial fibrillation (AF). This study presents a patient-specific 3D computational framework to model the…

Medical Physics · Physics 2025-08-12 Ashkan Bagherzadeh , Nagib T Chalfoun , Tong Gao , Lik Chuan Lee

In this paper, we introduced a novel deep learning-based reconstruction technique for low-dose CT imaging using 3 dimensional convolutions to include the sagittal information unlike the existing 2 dimensional networks which exploits…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Doga Gunduzalp , Batuhan Cengiz , Mehmet Ozan Unal , Isa Yildirim