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Related papers: High-Fidelity 3D Lung CT Synthesis in ARDS Swine M…

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Transforming two-dimensional (2D) images into three-dimensional (3D) volumes is a well-known yet challenging problem for the computer vision community. In the medical domain, a few previous studies attempted to convert two or more input…

Image and Video Processing · Electrical Eng. & Systems 2024-04-22 Pouria Rouzrokh , Bardia Khosravi , Shahriar Faghani , Kellen L. Mulford , Michael J. Taunton , Bradley J. Erickson , Cody C. Wyles

Digital subtraction angiography (DSA) plays a central role in the diagnosis and treatment of cerebrovascular disease, yet its invasive nature and high acquisition cost severely limit large-scale data collection and public data sharing.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Qiwen Xu , David Rügamer , Holger Wenz , Johann Fontana , Nora Meggyeshazi , Andreas Bender , Máté E. Maros

As PET imaging is accompanied by substantial radiation exposure and cancer risk, reducing radiation dose in PET scans is an important topic. Recently, diffusion models have emerged as the new state-of-the-art generative model to generate…

Image and Video Processing · Electrical Eng. & Systems 2023-11-30 Huidong Xie , Weijie Gan , Bo Zhou , Xiongchao Chen , Qiong Liu , Xueqi Guo , Liang Guo , Hongyu An , Ulugbek S. Kamilov , Ge Wang , Chi Liu

Purpose: To assess the feasibility of deep learning-based high resolution synthetic CT generation from MRI scans of the lower arm for orthopedic applications. Methods: A conditional Generative Adversarial Network was trained to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Frank Zijlstra , Koen Willemsen , Mateusz C. Florkow , Ralph J. B. Sakkers , Harrie H. Weinans , Bart C. H. van der Wal , Marijn van Stralen , Peter R. Seevinck

Abstract Background: Pulmonary function tests (PFTs) and computed tomography (CT) imaging are vital in diagnosing, managing, and monitoring lung diseases. A common issue in practice is the lack of access to recorded pulmonary functions…

Image and Video Processing · Electrical Eng. & Systems 2024-08-13 Kaiwen Geng , Zhiyi Shi , Xiaoyan Zhao , Alaa Ali , Jing Wang , Joseph Leader , Jiantao Pu

Introduction: Automated Lung X-Ray Abnormality Detection System is the application which distinguish the normal x-ray images from infected x-ray images and highlight area considered for prediction, with the recent pandemic a need to have a…

Image and Video Processing · Electrical Eng. & Systems 2024-04-09 Nagullas KS , Vivekanand. V , Narayana Darapaneni , Anwesh R P

The outbreak of COVID-19 has lead to a global effort to decelerate the pandemic spread. For this purpose chest computed-tomography (CT) based screening and diagnosis of COVID-19 suspected patients is utilized, either as a support or…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Dor Amran , Maayan Frid-Adar , Nimrod Sagie , Jannette Nassar , Asher Kabakovitch , Hayit Greenspan

Lung infections, particularly pneumonia, pose serious health risks that can escalate rapidly, especially during pandemics. Accurate AI-based severity prediction from medical imaging is essential to support timely clinical decisions and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Bouthaina Slika , Fadi Dornaika , Fares Bougourzi , Karim Hammoudi

Accurate correspondence matching in coronary angiography images is crucial for reconstructing 3D coronary artery structures, which is essential for precise diagnosis and treatment planning of coronary artery disease (CAD). Traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Lin Zhao , Xin Yu , Yikang Liu , Xiao Chen , Eric Z. Chen , Terrence Chen , Shanhui Sun

Objective: Four-dimensional computed tomography (4DCT) imaging consists in reconstructing a CT acquisition into multiple phases to track internal organ and tumor motion. It is commonly used in radiotherapy treatment planning to establish…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yi-Heng Cao , Vincent Bourbonne , François Lucia , Ulrike Schick , Julien Bert , Vincent Jaouen , Dimitris Visvikis

Weakly supervised disease classification of CT imaging suffers from poor localization owing to case-level annotations, where even a positive scan can hold hundreds to thousands of negative slices along multiple planes. Furthermore, although…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Anindo Saha , Fakrul I. Tushar , Khrystyna Faryna , Vincent M. D'Anniballe , Rui Hou , Maciej A. Mazurowski , Geoffrey D. Rubin , Joseph Y. Lo

Acute aortic syndrome (AAS) is a group of life threatening conditions of the aorta. We have developed an end-to-end automatic approach to detect AAS in computed tomography (CT) images. Our approach consists of two steps. At first, we…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Manikanta Srikar Yellapragada , Yiting Xie , Benedikt Graf , David Richmond , Arun Krishnan , Arkadiusz Sitek

Automated cell segmentation in microscopy images is essential for biomedical research, yet conventional methods are labor-intensive and prone to error. While deep learning-based approaches have proven effective, they often require large…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Rüveyda Yilmaz , Kaan Keven , Yuli Wu , Johannes Stegmaier

Diffusion Posterior Sampling (DPS) can be used in Computed Tomography (CT) reconstruction by leveraging diffusion-based generative models for unconditional image synthesis while matching the observations (data) of a CT scan. Of particular…

The performance on deep learning is significantly affected by volume of training data. Models pre-trained from massive dataset such as ImageNet become a powerful weapon for speeding up training convergence and improving accuracy. Similarly,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Sihong Chen , Kai Ma , Yefeng Zheng

High Resolution (HR) medical images provide rich anatomical structure details to facilitate early and accurate diagnosis. In MRI, restricted by hardware capacity, scan time, and patient cooperation ability, isotropic 3D HR image acquisition…

Image and Video Processing · Electrical Eng. & Systems 2022-12-01 Qing Wu , Yuwei Li , Yawen Sun , Yan Zhou , Hongjiang Wei , Jingyi Yu , Yuyao Zhang

In current clinical practice, noisy and artifact-ridden weekly cone-beam computed tomography (CBCT) images are only used for patient setup during radiotherapy. Treatment planning is done once at the beginning of the treatment using…

Image and Video Processing · Electrical Eng. & Systems 2022-01-02 Navdeep Dahiya , Sadegh R Alam , Pengpeng Zhang , Si-Yuan Zhang , Anthony Yezzi , Saad Nadeem

We propose a cascaded 3D diffusion model framework to synthesize high-fidelity 3D PET/CT volumes directly from demographic variables, addressing the growing need for realistic digital twins in oncologic imaging, virtual trials, and…

Image and Video Processing · Electrical Eng. & Systems 2025-05-29 Siyeop Yoon , Sifan Song , Pengfei Jin , Matthew Tivnan , Yujin Oh , Sekeun Kim , Dufan Wu , Xiang Li , Quanzheng Li

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…

Reducing scan times, radiation dose, and enhancing image quality for lower-performance scanners, are critical in low-dose PET imaging. Deep learning techniques have been investigated for PET image denoising. However, existing models have…