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Related papers: Conditional Diffusion for 3D CT Volume Reconstruct…

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Computational tomography (CT) provides high-resolution medical imaging, but it can expose patients to high radiation. X-ray scanners have low radiation exposure, but their resolutions are low. This paper proposes a new conditional diffusion…

Image and Video Processing · Electrical Eng. & Systems 2025-01-20 Yun Su Jeong , Hye Bin Yoo , Il Yong Chun

Computed tomography (CT) is widely utilized in clinical settings because it delivers detailed 3D images of the human body. However, performing CT scans is not always feasible due to radiation exposure and limitations in certain surgical…

Image and Video Processing · Electrical Eng. & Systems 2024-07-19 Xuhui Liu , Zhi Qiao , Runkun Liu , Hong Li , Juan Zhang , Xiantong Zhen , Zhen Qian , Baochang Zhang

Intraoperative CT imaging serves as a crucial resource for surgical guidance; however, it may not always be readily accessible or practical to implement. In scenarios where CT imaging is not an option, reconstructing CT scans from X-rays…

Image and Video Processing · Electrical Eng. & Systems 2024-08-22 Zhi Qiao , Xuhui Liu , Xiaopeng Wang , Runkun Liu , Xiantong Zhen , Pei Dong , Zhen Qian

Magnetic Resonance Imaging (MRI) is a crucial diagnostic tool, but high-resolution scans are often slow and expensive due to extensive data acquisition requirements. Traditional MRI reconstruction methods aim to expedite this process by…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Emmanuelle Bourigault , Abdullah Hamdi , Amir Jamaludin

Computed Tomography (CT) is a widely used imaging modality in medical and industrial applications. To limit radiation exposure and measurement time, there is a growing interest in sparse-view CT, where the number of projection views is…

Image and Video Processing · Electrical Eng. & Systems 2026-05-04 Luis Barba , Johannes Kirschner , Benjamin Bejar

X-ray computed tomography (CT) is one of the most common imaging techniques used to diagnose various diseases in the medical field. Its high contrast sensitivity and spatial resolution allow the physician to observe details of body parts…

Image and Video Processing · Electrical Eng. & Systems 2023-08-03 Daeun Kyung , Kyungmin Jo , Jaegul Choo , Joonseok Lee , Edward Choi

Computed Tomography (CT) scans are the standard-of-care for the visualization and diagnosis of many clinical ailments, and are needed for the treatment planning of external beam radiotherapy. Unfortunately, the availability of CT scanners…

Image and Video Processing · Electrical Eng. & Systems 2024-08-28 Yiran Sun , Hana Baroudi , Tucker Netherton , Laurence Court , Osama Mawlawi , Ashok Veeraraghavan , Guha Balakrishnan

Computed tomography (CT) can provide a 3D view of the patient's internal organs, facilitating disease diagnosis, but it incurs more radiation dose to a patient and a CT scanner is much more cost prohibitive than an X-ray machine too.…

Image and Video Processing · Electrical Eng. & Systems 2019-05-17 Xingde Ying , Heng Guo , Kai Ma , Jian Wu , Zhengxin Weng , Yefeng Zheng

Deep learning-based automated diagnosis of lung cancer has emerged as a crucial advancement that enables healthcare professionals to detect and initiate treatment earlier. However, these models require extensive training datasets with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Aryan Goyal , Ashish Mittal , Pranav Rao , Manoj Tadepalli , Preetham Putha

Despite the growing importance of dental CBCT scans for diagnosis and treatment planning, generating anatomically realistic scans with fine-grained control remains a challenge in medical image synthesis. In this work, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Said Djafar Said , Torkan Gholamalizadeh , Mostafa Mehdipour Ghazi

Computed tomography (CT) is a beneficial imaging tool for diagnostic purposes. CT scans provide detailed information concerning the internal anatomic structures of a patient, but present higher radiation dose and costs compared to X-ray…

Image and Video Processing · Electrical Eng. & Systems 2024-03-05 Benjamin Paulson , Joshua Goldshteyn , Sydney Balboni , John Cisler , Andrew Crisler , Natalia Bukowski , Julia Kalish , Theodore Colwell

This work introduces a new latent diffusion model to generate high-quality 3D chest CT scans conditioned on 3D anatomical masks. The method synthesizes volumetric images of size 256x256x256 at 1 mm isotropic resolution using a single…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Anna Oliveras , Roger Marí , Rafael Redondo , Oriol Guardià , Ana Tost , Bhalaji Nagarajan , Carolina Migliorelli , Vicent Ribas , Petia Radeva

Improving the spatial resolution of CT images is a meaningful yet challenging task, often accompanied by the issue of noise amplification. This article introduces an innovative framework for noise-controlled CT super-resolution utilizing…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Yuang Wang , Siyeop Yoon , Rui Hu , Baihui Yu , Duhgoon Lee , Rajiv Gupta , Li Zhang , Zhiqiang Chen , Dufan Wu

Contrast-enhanced computed tomography (CT) imaging is essential for diagnosing and monitoring thoracic diseases, including aortic pathologies. However, contrast agents pose risks such as nephrotoxicity and allergic-like reactions. The…

Image and Video Processing · Electrical Eng. & Systems 2025-09-08 Pouya Shiri , Xin Yi , Neel P. Mistry , Samaneh Javadinia , Mohammad Chegini , Seok-Bum Ko , Amirali Baniasadi , Scott J. Adams

Chest X-rays or chest radiography (CXR), commonly used for medical diagnostics, typically enables limited imaging compared to computed tomography (CT) scans, which offer more detailed and accurate three-dimensional data, particularly…

Image and Video Processing · Electrical Eng. & Systems 2025-07-25 Noa Cahan , Eyal Klang , Galit Aviram , Yiftach Barash , Eli Konen , Raja Giryes , Hayit Greenspan

The dose of X-ray radiation and the scanning time are crucial factors in computed tomography (CT) for clinical applications. In this work, we introduce a multi-source static CT imaging system designed to rapidly acquire sparse view and…

Medical Physics · Physics 2025-01-03 Ziju Shen , Haimiao Zhang , Bin Dong , Jun Qiu , Yunxiang Li , Zhili Cui

Limited-angle computed tomography (LACT) reconstruction is an inverse problem with severe ill-posedness arising from missing projection angles, and it is difficult to restore high-precision images without sufficient prior knowledge. In…

Image and Video Processing · Electrical Eng. & Systems 2026-03-06 Hinako Isogai , Naruki Murahashi , Mitsuhiro Nakamura , Megumi Nakao

Objective: Cone-beam computed tomography (CBCT) provides a low-dose imaging alternative to conventional CT, but suffers from noise, scatter, and artifacts that degrade image quality. Synthetic CT (sCT) aims to translate CBCT to high-quality…

Medical Physics · Physics 2025-09-23 Alzahra Altalib , Chunhui Li , Alessandro Perelli

Computed Tomography (CT) is widely used in healthcare for detailed imaging. However, Low-dose CT, despite reducing radiation exposure, often results in images with compromised quality due to increased noise. Traditional methods, including…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Herman Verinaz-Jadan , Su Yan

Computed tomography (CT) is important in clinical diagnosis, but acquiring high-resolution (HR) CT is constrained by radiation exposure risks. While deep learning-based super-resolution (SR) methods have shown promise for reconstructing HR…

Image and Video Processing · Electrical Eng. & Systems 2026-05-29 Jeonghyun Noh , Hyun-Jic Oh , Won-Ki Jeong
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