中文
相关论文

相关论文: Cross-modality image synthesis from TOF-MRA to CTA…

200 篇论文

We assessed the benefit of combining stress cardiac CT perfusion (CCTP) myocardial blood flow (MBF) with coronary CT angiography (CCTA) using our innovative CCTP software. By combining CCTA and CCTP, one can uniquely identify a flow…

Diabetic Retinopathy (DR), a prevalent and severe complication of diabetes, affects millions of individuals globally, underscoring the need for accurate and timely diagnosis. Recent advancements in imaging technologies, such as…

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…

图像与视频处理 · 电气工程与系统科学 2020-03-04 Anirudh Chandrashekar , Ashok Handa , Natesh Shivakumar , Pierfrancesco Lapolla , Vicente Grau , Regent Lee

Data scarcity in medical imaging poses significant challenges due to privacy concerns. Diffusion models, a recent generative modeling technique, offer a potential solution by generating synthetic and realistic data. However, questions…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Abdullah al Nomaan Nafi , Md. Alamgir Hossain , Rakib Hossain Rifat , Md Mahabub Uz Zaman , Md Manjurul Ahsan , Shivakumar Raman

The rigid registration of aortic Digital Subtraction Angiography (DSA) and Computed Tomography Angiography (CTA) can provide 3D anatomical details of the vasculature for the interventional surgical treatment of conditions such as aortic…

图像与视频处理 · 电气工程与系统科学 2024-03-12 Wentao Liu , Bowen Liang , Weijin Xu , Tong Tian , Qingsheng Lu , Xipeng Pan , Haoyuan Li , Siyu Tian , Huihua Yang , Ruisheng Su

Coronary artery disease (CAD) is one of the most common causes of death in the European Union and the USA. The crucial biomarker in its diagnosis is called Fractional Flow Reserve (FFR) and its in-vivo measurement is obtained via an…

图像与视频处理 · 电气工程与系统科学 2024-05-22 Patryk Rygiel

This study is to demonstrate deep learning for automated artery-vein (AV) classification in optical coherence tomography angiography (OCTA). The AV-Net, a fully convolutional network (FCN) based on modified U-shaped CNN architecture,…

图像与视频处理 · 电气工程与系统科学 2020-06-09 Minhaj Alam , David Le , Taeyoon Son , Jennifer I. Lim , Xincheng Yao

Positron Emission Tomography (PET) and Computed Tomography (CT) are essential for diagnosing, staging, and monitoring various diseases, particularly cancer. Despite their importance, the use of PET/CT systems is limited by the necessity for…

图像与视频处理 · 电气工程与系统科学 2024-10-30 Dac Thai Nguyen , Trung Thanh Nguyen , Huu Tien Nguyen , Thanh Trung Nguyen , Huy Hieu Pham , Thanh Hung Nguyen , Thao Nguyen Truong , Phi Le Nguyen

Deep learning has achieved some success in addressing the challenge of cloud removal in optical satellite images, by fusing with synthetic aperture radar (SAR) images. Recently, diffusion models have emerged as powerful tools for cloud…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Yuyang Hu , Suhas Lohit , Ulugbek S. Kamilov , Tim K. Marks

Diffusion models have enabled remarkably high-quality medical image generation, yet it is challenging to enforce anatomical constraints in generated images. To this end, we propose a diffusion model-based method that supports…

图像与视频处理 · 电气工程与系统科学 2024-06-21 Nicholas Konz , Yuwen Chen , Haoyu Dong , Maciej A. Mazurowski

Test-time adaptation (TTA) aims to improve the performance of source-domain pre-trained models on previously unseen, shifted target domains. Traditional TTA methods primarily adapt model weights based on target data streams, making model…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Jiayi Guo , Junhao Zhao , Chaoqun Du , Yulin Wang , Chunjiang Ge , Zanlin Ni , Shiji Song , Humphrey Shi , Gao Huang

The integration of multimodal data presents a challenge in cases when the study of a given phenomena by different instruments or conditions generates distinct but related domains. Many existing data integration methods assume a known…

机器学习 · 统计学 2022-06-16 Andres F. Duque , Guy Wolf , Kevin R. Moon

The diagnosis of prostate cancer increasingly depends on multimodal imaging, particularly magnetic resonance imaging (MRI) and transrectal ultrasound (TRUS). However, accurate registration between these modalities remains a fundamental…

图像与视频处理 · 电气工程与系统科学 2025-06-03 Xudong Ma , Nantheera Anantrasirichai , Stefanos Bolomytis , Alin Achim

Semantic segmentation models trained on synthetic data often perform poorly on real-world images due to domain gaps, particularly in adverse conditions where labeled data is scarce. Yet, recent foundation models enable to generate realistic…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Estelle Chigot , Dennis G. Wilson , Meriem Ghrib , Thomas Oberlin

Unsupervised domain adaptation for medical image segmentation remains a significant challenge due to substantial domain shifts across imaging modalities, such as CT and MRI. While recent vision-language representation learning methods have…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Lalit Maurya , Honghai Liu , Reyer Zwiggelaar

Understanding symptom-image associations is crucial for clinical reasoning. However, existing medical multimodal models often rely on simple one-to-one hard labeling, oversimplifying clinical reality where symptoms relate to multiple…

计算机视觉与模式识别 · 计算机科学 2025-11-11 You-Kyoung Na , Yeong-Jun Cho

Coronary artery disease (CAD) remains the world's leading cause of mortality and the disease burden is continually expanding as the population ages. Recently, the MR-INFORM randomised trial has demonstrated that the management of patients…

图像与视频处理 · 电气工程与系统科学 2021-05-12 Cian M Scannell

Large-scale diffusion models have achieved state-of-the-art results on text-to-image synthesis (T2I) tasks. Despite their ability to generate high-quality yet creative images, we observe that attribution-binding and compositional…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Weixi Feng , Xuehai He , Tsu-Jui Fu , Varun Jampani , Arjun Akula , Pradyumna Narayana , Sugato Basu , Xin Eric Wang , William Yang Wang

Infarcted brain tissue resulting from acute stroke readily shows up as hyperintense regions within diffusion-weighted magnetic resonance imaging (DWI). It has also been proposed that computed tomography perfusion (CTP) could alternatively…

图像与视频处理 · 电气工程与系统科学 2019-05-01 Jonathan Rubin , S. Mazdak Abulnaga

Non-contrast CT (NCCT) imaging may reduce image contrast and anatomical visibility, potentially increasing diagnostic uncertainty. In contrast, contrast-enhanced CT (CECT) facilitates the observation of regions of interest (ROI). Leading…

图像与视频处理 · 电气工程与系统科学 2024-11-18 Tingyi Lin , Pengju Lyu , Jie Zhang , Yuqing Wang , Cheng Wang , Jianjun Zhu