English
Related papers

Related papers: Refraction beats attenuation in breast CT

200 papers

COVID-19 is a global pandemic, and detecting them is a momentous task for medical professionals today due to its rapid mutations. Current methods of examining chest X-rays and CT scan requires profound knowledge and are time consuming,…

Image and Video Processing · Electrical Eng. & Systems 2021-11-22 Koushik Sivarama Krishnan , Karthik Sivarama Krishnan

This paper deals with improvements to the contrast source inversion method which is widely used in microwave tomography. First, the method is reviewed and weaknesses of both the criterion form and the optimization strategy are underlined.…

Numerical Analysis · Mathematics 2009-01-30 Paul-André Barrière , Jérôme Idier , Yves Goussard , Jean-Jacques Laurin

CT image-guided thermal ablation is widely used for lung cancer treatment; however, follow-up data indicate that physicians' subjective assessments of intraoperative images often overestimate the ablation effect, potentially leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Wan Li , Wei Li , Moheng Rong , Yutao Rao , Hui Tang , Yudong Zhang , Feng Wang

Explainable AI (XAI) in medical histopathology is essential for enhancing the interpretability and clinical trustworthiness of deep learning models in cancer diagnosis. However, the black-box nature of these models often limits their…

Image and Video Processing · Electrical Eng. & Systems 2025-05-06 Raktim Kumar Mondol , Ewan K. A. Millar , Peter H. Graham , Lois Browne , Arcot Sowmya , Erik Meijering

Mammography is currently the primary imaging modality for breast cancer screening and plays an important role in cancer diagnostics. A standard mammographic image acquisition always includes the compression of the breast prior x-ray…

Digital Breast Tomosynthesis (DBT) provides an insight into the fine details of normal fibroglandular tissues and abnormal lesions by reconstructing a pseudo-3D image of the breast. In this respect, DBT overcomes a major limitation of…

Computer Vision and Pattern Recognition · Computer Science 2013-07-24 Guang Yang , John H. Hipwell , David J. Hawkes , Simon R. Arridge

Biological soft tissues encountered in clinical and pre-clinical imaging mainly consist of light element atoms, and their composition is nearly uniform with little density variation. Thus, x-ray attenuation imaging suffers from low image…

Medical Physics · Physics 2011-06-28 Wenxiang Cong , Atsushi Momose , Ge Wang

Dark-field imaging based on grating interferometry is an emerging X-ray modality in medical imaging, which is particularly capable of providing complementary diagnostic information by visualizing the microstructural properties of lung…

Medical Physics · Physics 2026-05-29 Longchao Men , Peiyuan Guo , Jincheng Lu , Yan Xu , Hongxia Yin , Zhenchang Wang , Li Zhang , Zhentian Wang

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…

Recently, X-ray interferometers with more than one phase grating have been developed for differential phase contrast (DPC) imaging. In this study, a novel framework is developed to predict such interferometers' angular sensitivity responses…

Instrumentation and Detectors · Physics 2020-06-25 Jianwei Chen , Jiecheng Yang , Peiping Zhu , Ting Su , Huitao Zhang , Hairong Zheng , Dong Liang , Yongshuai Ge

Purpose: Grating-based X-ray phase-contrast imaging is a promising modality increasing the soft tissue contrast in medical imaging. In this work, the signature of lung tissue in X-ray grating-based physe-contrast imaging is investigated.…

Medical imaging has been used for diagnosis of various conditions, making it one of the most powerful resources for effective patient care. Due to widespread availability, low cost, and low radiation, chest X-ray is one of the most sought…

Image and Video Processing · Electrical Eng. & Systems 2024-04-22 Sonit Singh

The use of computer-aided diagnosis in the reliable and fast detection of coronavirus disease (COVID-19) has become a necessity to prevent the spread of the virus during the pandemic to ease the burden on the medical infrastructure. Chest…

Computed tomography (CT) enterography is a primary imaging modality for assessing inflammatory bowel disease (IBD), yet the representational choices that best support automated analysis of this modality are unknown. We present the first…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Cristian Minoccheri , Emily Wittrup , Kayvan Najarian , Ryan Stidham

Breast cancer is the second most common type of cancer in women in Canada and the United States, representing over 25\% of all new female cancer cases. As such, there has been immense research and progress on improving screening and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-07 Chi-en Amy Tai , Hayden Gunraj , Nedim Hodzic , Nic Flanagan , Ali Sabri , Alexander Wong

Radiation dose is an important performance indicator of a dedicated breast CT (DBCT). In this paper, the method of putting thermoluminescent dosimeters (TLD) into a breast shaped PMMA phantom to study the dose distribution in breasts was…

Medical Physics · Physics 2013-05-14 Shen Shan-Wei , Wang Yan-Fang , Shu Hang , Tang Xiao , Wei Cun-Feng , Song Yu-Shou , Shi Rong-Jian , Wei Long

Rapid diagnosis of gastric cancer is a great challenge for clinical doctors. Dramatic progress of computer vision on gastric cancer has been made recently and this review focuses on advances during the past five years. Different methods for…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Yihua Sun

Cone-beam computed tomography (CBCT) is widely used for image-guided radiotherapy (IGRT). It provides real time visualization at low cost and dose. However, photon scattering and beam hindrance cause artifacts in CBCT. These include…

Medical Physics · Physics 2025-09-29 Alzahra Altalib , Chunhui Li , Alessandro Perelli

Pretrained segmentation models for cardiac magnetic resonance imaging (MRI) struggle to generalize across different imaging sequences due to significant variations in image contrast. These variations arise from changes in imaging protocols,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Yidong Zhao , Peter Kellman , Hui Xue , Tongyun Yang , Yi Zhang , Yuchi Han , Orlando Simonetti , Qian Tao

Biopsies are the gold standard for breast cancer diagnosis. This task can be improved by the use of Computer Aided Diagnosis (CAD) systems, reducing the time of diagnosis and reducing the inter and intra-observer variability. The advances…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Jonathan de Matos , Alceu de S. Britto , Luiz E. S. de Oliveira , Alessandro L. Koerich