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Related papers: Generating Synthesized Computed Tomography (CT) fr…

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Computed Tomography (CT) using synchrotron radiation is a powerful technique that, compared to lab-CT techniques, boosts high spatial and temporal resolution while also providing access to a range of contrast-formation mechanisms. The…

Image and Video Processing · Electrical Eng. & Systems 2025-01-20 Jiayang Shi , Daniel M. Pelt , K. Joost Batenburg

Currently, MRI-only radiotherapy (RT) eliminates some of the concerns about using CT images in RT chains such as the registration of MR images to a separate CT, extra dose delivery, and the additional cost of repeated imaging. However, one…

Medical Physics · Physics 2021-03-03 Faeze Gholamiankhah , Samaneh Mostafapour , Hossein Arabi

The Computed Tomography (CT) for diagnosis of lesions in human internal organs is one of the most fundamental topics in medical imaging. Low-dose CT, which offers reduced radiation exposure, is preferred over standard-dose CT, and therefore…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Wenjie Liu

Cone-beam computed tomography (CBCT) images are problematic in clinical medicine because of their low contrast and high artifact content compared with conventional CT images. Although there are some studies to improve image quality, in…

Image and Video Processing · Electrical Eng. & Systems 2026-03-30 Naruki Murahashi , Mitsuhiro Nakamura , Megumi Nakao

Contrast-enhanced computed tomography angiograms (CTAs) are widely used in cardiovascular imaging to obtain a non-invasive view of arterial structures. However, contrast agents are associated with complications at the injection site as well…

Image and Video Processing · Electrical Eng. & Systems 2020-03-04 Anirudh Chandrashekar , Ashok Handa , Natesh Shivakumar , Pierfrancesco Lapolla , Vicente Grau , Regent Lee

Due to the rapid growth of Electrical Capacitance Tomography (ECT) applications in several industrial fields, there is a crucial need for developing high quality, yet fast, methodologies of image reconstruction from raw capacitance…

Image and Video Processing · Electrical Eng. & Systems 2024-04-09 Wael Deabes , Alaa E. Abdel-Hakim

Ultrasound is the second most used modality in medical imaging. It is cost effective, hazardless, portable and implemented routinely in numerous clinical procedures. Nonetheless, image quality is characterized by granulated appearance, poor…

Image and Video Processing · Electrical Eng. & Systems 2022-06-13 Lilach Barkat , Moti Freiman , Haim Azhari

Deep learning is a popular and powerful tool in computed tomography (CT) image processing such as organ segmentation, but its requirement of large training datasets remains a challenge. Even though there is a large anatomical variability…

Image and Video Processing · Electrical Eng. & Systems 2020-02-06 Chi Nok Enoch Kan , Najibakram Maheenaboobacker , Dong Hye Ye

The cycleGAN is becoming an influential method in medical image synthesis. However, due to a lack of direct constraints between input and synthetic images, the cycleGAN cannot guarantee structural consistency between these two images, and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-13 Heran Yang , Jian Sun , Aaron Carass , Can Zhao , Junghoon Lee , Zongben Xu , Jerry Prince

Diversity in data is critical for the successful training of deep learning models. Leveraged by a recurrent generative adversarial network, we propose the CT-SGAN model that generates large-scale 3D synthetic CT-scan volumes ($\geq…

Image and Video Processing · Electrical Eng. & Systems 2021-11-08 Ahmad Pesaranghader , Yiping Wang , Mohammad Havaei

Magnetic resonance (MR) and computer tomography (CT) images are two typical types of medical images that provide mutually-complementary information for accurate clinical diagnosis and treatment. However, obtaining both images may be limited…

Image and Video Processing · Electrical Eng. & Systems 2023-06-02 Jiayuan Wang , Q. M. Jonathan Wu , Farhad Pourpanah

In the field of radiotherapy, accurate imaging and image registration are of utmost importance for precise treatment planning. Magnetic Resonance Imaging (MRI) offers detailed imaging without being invasive and excels in soft-tissue…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Saba Nikbakhsh , Lachin Naghashyar , Morteza Valizadeh , Mehdi Chehel Amirani

With the advent of Deep Learning (DL) techniques, especially Generative Adversarial Networks (GANs), data augmentation and generation are quickly evolving domains that have raised much interest recently. However, the DL techniques are data…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Umair Javaid , John A. Lee

Positron Emission Tomography (PET) imaging requires accurate attenuation correction (AC) to account for photon loss due to tissue density variations. In PET/MR systems, computed tomography (CT), which offers a straightforward estimation of…

Image and Video Processing · Electrical Eng. & Systems 2025-04-11 Weijie Chen , James Wang , Alan McMillan

Deep neural networks (DNN) are commonly used to denoise and sharpen X-ray computed tomography (CT) images with the goal of reducing patient X-ray dosage while maintaining reconstruction quality. However, naive application of DNN-based…

Image and Video Processing · Electrical Eng. & Systems 2023-12-22 Madhuri Nagare , Gregery T. Buzzard , Charles A. Bouman

Magnetic Resonance (MR) Imaging and Computed Tomography (CT) are the primary diagnostic imaging modalities quite frequently used for surgical planning and analysis. A general problem with medical imaging is that the acquisition process is…

Image and Video Processing · Electrical Eng. & Systems 2020-06-08 Vismay Agrawal , Avinash Kori , Vikas Kumar Anand , Ganapathy Krishnamurthi

With the advancement of modern medicine and the development of technologies such as MRI, CT, and cellular analysis, it has become increasingly critical for clinicians to accurately interpret various diagnostic images. However, modern…

Image and Video Processing · Electrical Eng. & Systems 2025-06-05 Ruiming Min , Minghao Liu

Creating large scale high-quality annotations is a known challenge in medical imaging. In this work, based on the CycleGAN algorithm, we propose leveraging annotations from one modality to be useful in other modalities. More specifically,…

Image and Video Processing · Electrical Eng. & Systems 2019-09-12 Yucheng Liu , Naji Khosravan , Yulin Liu , Joseph Stember , Jonathan Shoag , Christopher E. Barbieri , Ulas Bagci , Sachin Jambawalikar

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

The primary motivation of Image-to-Image Transformation is to convert an image of one domain to another domain. Most of the research has been focused on the task of image transformation for a set of pre-defined domains. Very few works are…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Kishan Babu Kancharagunta , Shiv Ram Dubey