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相关论文: CT Image Harmonization for Enhancing Radiomics Stu…

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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…

图像与视频处理 · 电气工程与系统科学 2023-11-29 Saba Nikbakhsh , Lachin Naghashyar , Morteza Valizadeh , Mehdi Chehel Amirani

Due to privacy concerns, obtaining large datasets is challenging in medical image analysis, especially with 3D modalities like Computed Tomography (CT) and Magnetic Resonance Imaging (MRI). Existing generative models, developed to address…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Jonghun Kim , Inye Na , Eun Sook Ko , Hyunjin Park

Federated learning and its application to medical image segmentation have recently become a popular research topic. This training paradigm suffers from statistical heterogeneity between participating institutions' local datasets, incurring…

图像与视频处理 · 电气工程与系统科学 2023-10-19 Matthis Manthe , Stefan Duffner , Carole Lartizien

Graph neural networks (GNNs) present a promising alternative to CNNs and transformers in certain image processing applications due to their parameter-efficiency in modeling spatial relationships. Currently, a major area of research involves…

图像与视频处理 · 电气工程与系统科学 2023-12-01 Sahar Almahfouz Nasser , Shashwat Pathak , Keshav Singhal , Mohit Meena , Nihar Gupte , Ananya Chinmaya , Prateek Garg , Amit Sethi

Limited angle CT reconstruction is an under-determined linear inverse problem that requires appropriate regularization techniques to be solved. In this work we study how pre-trained generative adversarial networks (GANs) can be used to…

图像与视频处理 · 电气工程与系统科学 2020-01-30 Rushil Anirudh , Hyojin Kim , Jayaraman J. Thiagarajan , K. Aditya Mohan , Kyle M. Champley

Anatomical structures such as blood vessels in contrast-enhanced CT (ceCT) images can be challenging to segment due to the variability in contrast medium diffusion. The combined use of ceCT and contrast-free (CT) CT images can improve the…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Giammarco La Barbera , Haithem Boussaid , Francesco Maso , Sabine Sarnacki , Laurence Rouet , Pietro Gori , Isabelle Bloch

Generative Adversarial Networks (GANs) have surfaced as a revolutionary element within the domain of low-dose computed tomography (LDCT) imaging, providing an advanced resolution to the enduring issue of reconciling radiation exposure with…

图像与视频处理 · 电气工程与系统科学 2025-02-05 Yunuo Wang , Ningning Yang , Jialin Li

Background and Purpose: Radiomics features are used to identify disease types and predict therapy outcomes. However, how the radiomics features are different among different anatomical structures has never been investigated. Hence, we…

定量方法 · 定量生物学 2022-05-18 Yoichi Watanabe , A. Biswas , K. Rangarajan , G. Rath , N. Gopishankar

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…

图像与视频处理 · 电气工程与系统科学 2023-12-22 Madhuri Nagare , Gregery T. Buzzard , Charles A. Bouman

In high-quality radiotherapy delivery, precise segmentation of targets and healthy structures is essential. This study proposes Radiomics features as a superior measure for assessing the segmentation ability of physicians and…

图像与视频处理 · 电气工程与系统科学 2023-11-01 Yoichi Watanabe , Rukhsora Akramova

In the past decades, Computed Tomography (CT) has established itself as one of the most important imaging techniques in medicine. Today, the applicability of CT is only limited by the deposited radiation dose, reduction of which manifests…

图像与视频处理 · 电气工程与系统科学 2022-03-25 Martin Zach , Erich Kobler , Thomas Pock

There remains an important need for the development of image reconstruction methods that can produce diagnostically useful images from undersampled measurements. In magnetic resonance imaging (MRI), for example, such methods can facilitate…

图像与视频处理 · 电气工程与系统科学 2021-06-28 Varun A. Kelkar , Sayantan Bhadra , Mark A. Anastasio

Cone-beam computed tomography (CBCT) offers advantages over conventional fan-beam CT in that it requires a shorter time and less exposure to obtain images. CBCT has found a wide variety of applications in patient positioning for…

计算机视觉与模式识别 · 计算机科学 2020-07-01 S. Kida , S. Kaji , K. Nawa , T. Imae , T. Nakamoto , S. Ozaki , T. Ohta , Y. Nozawa , K. Nakagawa

Before the recent success of deep learning methods for automated medical image analysis, practitioners used handcrafted radiomic features to quantitatively describe local patches of medical images. However, extracting discriminative…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Yan Han , Gregory Holste , Ying Ding , Ahmed Tewfik , Yifan Peng , Zhangyang Wang

MR-only radiotherapy treatment planning requires accurate MR-to-CT synthesis. Current deep learning methods for MR-to-CT synthesis depend on pairwise aligned MR and CT training images of the same patient. However, misalignment between…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Jelmer M. Wolterink , Anna M. Dinkla , Mark H. F. Savenije , Peter R. Seevinck , Cornelis A. T. van den Berg , Ivana Isgum

Accurate synthesis of computed tomography (CT) images from magnetic resonance imaging (MRI) is clinically valuable for cranial applications such as attenuation correction, radiotherapy planning, and image-guided interventions. However,…

图像与视频处理 · 电气工程与系统科学 2026-05-05 Zhuoyao Xin , Yiren Zhang , Christopher Wu , Dong Liu , Chunming Gu , Elena Greco , Erik H. Middlebrooks , Jun Hua , Jia Guo

Brain imaging plays a crucial role in the diagnosis and treatment of various neurological disorders, providing valuable insights into the structure and function of the brain. Techniques such as magnetic resonance imaging (MRI) and computed…

图像与视频处理 · 电气工程与系统科学 2025-01-23 Fatima Haimour , Rizik Al-Sayyed , Waleed Mahafza , Omar S. Al-Kadi

Motivation: Radiomics refers to the high-throughput mining of quantitative features from radiographic images. It is a promising field in that it may provide a non-invasive solution for screening and classification. Standard machine learning…

Generative adversarial networks (GANs) have shown remarkable success in generating realistic images and are increasingly used in medical imaging for image-to-image translation tasks. However, GANs tend to suffer from a frequency bias…

图像与视频处理 · 电气工程与系统科学 2023-10-18 Ivo M. Baltruschat , Felix Kreis , Alexander Hoelscher , Melanie Dohmen , Matthias Lenga

Deep networks are now ubiquitous in large-scale multi-center imaging studies. However, the direct aggregation of images across sites is contraindicated for downstream statistical and deep learning-based image analysis due to inconsistent…

图像与视频处理 · 电气工程与系统科学 2021-04-16 Mengwei Ren , Neel Dey , James Fishbaugh , Guido Gerig