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Contrast-enhanced computed tomography (CECT) is pivotal for highlighting tissue perfusion and vascularity, yet its clinical ubiquity is impeded by the invasive nature of contrast agents and radiation risks. While virtual contrast…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Zilong Li , Dongyang Li , Chenglong Ma , Zhan Feng , Dakai Jin , Junping Zhang , Hao Luo , Fan Wang , Hongming Shan

Prostate cancer (PCa) is the second most common cancer in men worldwide and the most frequently diagnosed cancer among men in more developed countries. The prognosis of PCa is excellent if detected at an early stage, making early screening…

Medical Physics · Physics 2021-09-14 Alexander Wong , Hayden Gunraj , Vignesh Sivan , Masoom A. Haider

The integration of deep learning technologies in medical imaging aims to enhance the efficiency and accuracy of cancer diagnosis, particularly for pancreatic and breast cancers, which present significant diagnostic challenges due to their…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Minhee Jang , Juheon Son , Thanaporn Viriyasaranon , Junho Kim , Jang-Hwan Choi

In the quantitative analysis of Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) compartment models allow to describe the uptake of contrast medium with biological meaningful kinetic parameters. As simple models often fail to…

Methodology · Statistics 2020-05-04 Julia C. Sommer , Volker J. Schmid

Multiparametric magnetic resonance imaging (mpMRI) is a key tool for assessing breast cancer progression. Although deep learning has been applied to automate tumor segmentation in breast MRI, the effect of sequence combinations in mpMRI…

Image and Video Processing · Electrical Eng. & Systems 2024-06-13 Hang Min , Gorane Santamaria Hormaechea , Prabhakar Ramachandran , Jason Dowling

Dynamic susceptibility-weighted contrast-enhanced (DSC) MRI or perfusion-MRI plays an important role in the non-invasive assessment of tumor vascularity. However, the large number of images provided by the method makes display and…

General Physics · Physics 2007-11-20 Friso Hoefnagels , Keith S Cover , Ester Sanchez , Frank J. Lagerwaard

Advancements in generative modeling are pushing the state-of-the-art in synthetic medical image generation. These synthetic images can serve as an effective data augmentation method to aid the development of more accurate machine learning…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Mohammed Talha Alam , Raza Imam , Mohammad Areeb Qazi , Asim Ukaye , Karthik Nandakumar

This data curation work introduces the first large-scale dataset of radial k-space and DICOM data for breast DCE-MRI acquired in diagnostic breast MRI exams. Our dataset includes case-level labels indicating patient age, menopause status,…

Early assessment of tumor therapeutic response is an important topic in precision medicine to optimize personalized treatment regimens and reduce unnecessary toxicity, cost, and delay. Although diffusion MRI (dMRI) has shown potential to…

Medical Physics · Physics 2024-08-06 Diwei Shi , Sisi Li , Fan Liu , Xiaoyu Jiang , Lei Wu , Li Chen , Quanshui Zheng , Haihua Bao , Hua Guo , Junzhong Xu

While contrast-enhanced CT (CECT) is standard for assessing abdominal aortic aneurysms (AAA), the required iodinated contrast agents pose significant risks, including nephrotoxicity, patient allergies, and environmental harm. To reduce…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Yuxuan Ou , Ning Bi , Jiazhen Pan , Jiancheng Yang , Boliang Yu , Usama Zidan , Regent Lee , Vicente Grau

The rapid advancement of Artificial Intelligence (AI) in biomedical imaging and radiotherapy is hindered by the limited availability of large imaging data repositories. With recent research and improvements in denoising diffusion…

Image and Video Processing · Electrical Eng. & Systems 2024-03-27 Rowan Bradbury , Katherine A. Vallis , Bartlomiej W. Papiez

For a century, clinical X-ray imaging has visualised only the attenuation properties of tissue, which fundamentally limits the contrast, particularly in soft tissues like the breast. Imaging based on refraction can overcome this limitation,…

Contrast-enhanced magnetic resonance imaging (MRI) is pivotal in the pipeline of brain tumor segmentation and analysis. Gadolinium-based contrast agents, as the most commonly used contrast agents, are expensive and may have potential side…

Image and Video Processing · Electrical Eng. & Systems 2024-06-25 Lujun Gui , Chuyang Ye , Tianyi Yan

Clinicians compare breast DCE-MRI after neoadjuvant chemotherapy (NAC) with pre-treatment scans to evaluate the response to NAC. Clinical evidence supports that accurate longitudinal deformable registration without deforming treated tumor…

Image and Video Processing · Electrical Eng. & Systems 2024-01-18 Luyi Han , Tao Tan , Tianyu Zhang , Yuan Gao , Xin Wang , Valentina Longo , Sofía Ventura-Díaz , Anna D'Angelo , Jonas Teuwen , Ritse Mann

This study aimed to propose a denoising method for dynamic contrast-enhanced computed tomography (DCE-CT) perfusion studies using a three-dimensional deep image prior (DIP), and to investigate its usefulness in comparison with total…

Medical Physics · Physics 2023-04-04 Kenya Murase

Materials and methods: First, a dual-time approach was assessed, for which the CNN was provided sequences of the MRI that initially depicted new MM (diagnosis MRI) as well as of a prediagnosis MRI: inclusion of only contrast-enhanced…

Image and Video Processing · Electrical Eng. & Systems 2024-03-14 Katerina Deike-Hofmann , Dorottya Dancs , Daniel Paech , Heinz-Peter Schlemmer , Klaus Maier-Hein , Philipp Bäumer , Alexander Radbruch , Michael Götz

In 2020, 685,000 deaths across the world were attributed to breast cancer, underscoring the critical need for innovative and effective breast cancer treatment. Neoadjuvant chemotherapy has recently gained popularity as a promising treatment…

Image and Video Processing · Electrical Eng. & Systems 2024-05-14 Chi-en Amy Tai , Alexander Wong

Purpose: To apply tracer kinetic models as temporal constraints during reconstruction of under-sampled dynamic contrast enhanced (DCE) MRI. Methods: A library of concentration v.s time profiles is simulated for a range of physiological…

Computer-aided detection systems based on deep learning have shown good performance in breast cancer detection. However, high-density breasts show poorer detection performance since dense tissues can mask or even simulate masses. Therefore,…

Image and Video Processing · Electrical Eng. & Systems 2023-01-25 Lidia Garrucho , Kaisar Kushibar , Richard Osuala , Oliver Diaz , Alessandro Catanese , Javier del Riego , Maciej Bobowicz , Fredrik Strand , Laura Igual , Karim Lekadir
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