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In medical imaging, a general problem is that it is costly and time consuming to collect high quality data from healthy and diseased subjects. Generative adversarial networks (GANs) is a deep learning method that has been developed for…

计算机视觉与模式识别 · 计算机科学 2018-06-21 Per Welander , Simon Karlsson , Anders Eklund

In medical image synthesis, model training could be challenging due to the inconsistencies between images of different modalities even with the same patient, typically caused by internal status/tissue changes as different modalities are…

图像与视频处理 · 电气工程与系统科学 2021-09-16 Hajar Emami , Ming Dong , Siamak Nejad-Davarani , Carri Glide-Hurst

In this work, a denoising Cycle-GAN (Cycle Consistent Generative Adversarial Network) is implemented to yield high-field, high resolution, high signal-to-noise ratio (SNR) Magnetic Resonance Imaging (MRI) images from simulated low-field,…

图像与视频处理 · 电气工程与系统科学 2023-07-14 Fernando Vega , Abdoljalil Addeh , M. Ethan MacDonald

Computed tomography (CT) is widely used in screening, diagnosis, and image-guided therapy for both clinical and research purposes. Since CT involves ionizing radiation, an overarching thrust of related technical research is development of…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Chenyu You , Guang Li , Yi Zhang , Xiaoliu Zhang , Hongming Shan , Shenghong Ju , Zhen Zhao , Zhuiyang Zhang , Wenxiang Cong , Michael W. Vannier , Punam K. Saha , Ge Wang

Synthesized medical images have several important applications, e.g., as an intermedium in cross-modality image registration and as supplementary training samples to boost the generalization capability of a classifier. Especially,…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Zizhao Zhang , Lin Yang , Yefeng Zheng

Generative adversarial networks (GANs) have provided promising data enrichment solutions by synthesizing high-fidelity images. However, generating large sets of labeled images with new anatomical variations remains unexplored. We propose a…

图像与视频处理 · 电气工程与系统科学 2020-08-03 Sina Amirrajab , Samaneh Abbasi-Sureshjani , Yasmina Al Khalil , Cristian Lorenz , Juergen Weese , Josien Pluim , Marcel Breeuwer

Insufficiency of training data is a persistent issue in medical image analysis, especially for task-based functional magnetic resonance images (fMRI) with spatio-temporal imaging data acquired using specific cognitive tasks. In this paper,…

图像与视频处理 · 电气工程与系统科学 2023-08-31 Jiyao Wang , Nicha C. Dvornek , Lawrence H. Staib , James S. Duncan

AI requires extensive datasets, while medical data is subject to high data protection. Anonymization is essential, but poses a challenge for some regions, such as the head, as identifying structures overlap with regions of clinical…

Data augmentation can effectively resolve a scarcity of images when training machine-learning algorithms. It can make them more robust to unseen images. We present a lesion conditional Generative Adversarial Network LcGAN to generate…

图像与视频处理 · 电气工程与系统科学 2020-08-10 Manohar Karki , Junghwan Cho , Seokhwan Ko

We introduce a strategy for learning image registration without acquired imaging data, producing powerful networks agnostic to contrast introduced by magnetic resonance imaging (MRI). While classical registration methods accurately estimate…

图像与视频处理 · 电气工程与系统科学 2022-03-04 Malte Hoffmann , Benjamin Billot , Douglas N. Greve , Juan Eugenio Iglesias , Bruce Fischl , Adrian V. Dalca

Segmentation of magnetic resonance (MR) images is a fundamental step in many medical imaging-based applications. The recent implementation of deep convolutional neural networks (CNNs) in image processing has been shown to have significant…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Fang Liu

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…

图像与视频处理 · 电气工程与系统科学 2021-11-08 Ahmad Pesaranghader , Yiping Wang , Mohammad Havaei

We consider a missing data problem in the context of automatic segmentation methods for Magnetic Resonance Imaging (MRI) brain scans. Usually, automated MRI scan segmentation is based on multiple scans (e.g., T1-weighted, T2-weighted, T1CE,…

图像与视频处理 · 电气工程与系统科学 2024-05-06 Giulia Baldini , Melanie Schmidt , Charlotte Zäske , Liliana L. Caldeira

Generative Adversarial Networks (GANs) have the capability of synthesizing images, which have been successfully applied to medical image synthesis tasks. However, most of existing methods merely consider the global contextual information…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Tianyang Zhang , Huazhu Fu , Yitian Zhao , Jun Cheng , Mengjie Guo , Zaiwang Gu , Bing Yang , Yuting Xiao , Shenghua Gao , Jiang Liu

Magnetic Resonance Imaging (MRI) is a vital component of medical imaging. When compared to other image modalities, it has advantages such as the absence of radiation, superior soft tissue contrast, and complementary multiple sequence…

图像与视频处理 · 电气工程与系统科学 2021-05-06 Guang Yang , Jun Lv , Yutong Chen , Jiahao Huang , Jin Zhu

Cone-Beam Computed Tomography (CBCT) is widely used for real-time intraoperative imaging due to its low radiation dose and high acquisition speed. However, despite its high resolution, CBCT suffers from significant artifacts and thereby…

图像与视频处理 · 电气工程与系统科学 2025-06-11 Maximilian Tschuchnig , Lukas Lamminger , Philipp Steininger , Michael Gadermayr

Over almost five decades of development and improvement, Magnetic Resonance Imaging (MRI) has become a rich and powerful, non-invasive technique in medical imaging, yet not reaching its physical limits. Technical and physiological…

MRI provides superior soft tissue contrast without ionizing radiation; however, the absence of electron density information limits its direct use for dose calculation. As a result, current radiotherapy workflows rely on combined MRI and CT…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Zolnamar Dorjsembe , Hung-Yi Chen , Furen Xiao , Hsing-Kuo Pao

In the realm of dermatological diagnoses, where the analysis of dermatoscopic and microscopic skin lesion images is pivotal for the accurate and early detection of various medical conditions, the costs associated with creating diverse and…

$\textbf{Purpose}$ To train a cycle-consistent generative adversarial network (CycleGAN) on mammographic data to inject or remove features of malignancy, and to determine whether these AI-mediated attacks can be detected by radiologists.…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Anton S. Becker , Lukas Jendele , Ondrej Skopek , Nicole Berger , Soleen Ghafoor , Magda Marcon , Ender Konukoglu