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Ultrasound (US) imaging is commonly used to assist in the diagnosis and interventions of spine diseases, while the standardized US acquisitions performed by manually operating the probe require substantial experience and training of…

机器人学 · 计算机科学 2024-10-28 Keyu Li , Yangxin Xu , Jian Wang , Dong Ni , Li Liu , Max Q. -H. Meng

Ultrasound (US) imaging is widely used for anatomical structure inspection in clinical diagnosis. The training of new sonographers and deep learning based algorithms for US image analysis usually requires a large amount of data. However,…

图像与视频处理 · 电气工程与系统科学 2022-05-26 Jiamin Liang , Xin Yang , Yuhao Huang , Haoming Li , Shuangchi He , Xindi Hu , Zejian Chen , Wufeng Xue , Jun Cheng , Dong Ni

Objective: Deformable brain MR image registration is challenging due to large inter-subject anatomical variation. For example, the highly complex cortical folding pattern makes it hard to accurately align corresponding cortical structures…

计算机视觉与模式识别 · 计算机科学 2019-02-07 Dongming Wei , Zhengwang Wu , Gang Li , Xiaohuan Cao , Dinggang Shen , Qian Wang

Analyzing and predicting brain aging is essential for early prognosis and accurate diagnosis of cognitive diseases. The technique of neuroimaging, such as Magnetic Resonance Imaging (MRI), provides a noninvasive means of observing the aging…

图像与视频处理 · 电气工程与系统科学 2022-12-06 Jingru Fu , Antonios Tzortzakakis , José Barroso , Eric Westman , Daniel Ferreira , Rodrigo Moreno

Ultrasound (US) imaging is widely used for biometric measurement and diagnosis of internal organs due to the advantages of being real-time and radiation-free. However, due to inter-operator variations, resulting images highly depend on the…

机器人学 · 计算机科学 2023-11-30 Zhongliang Jiang , Yuan Bi , Mingchuan Zhou , Ying Hu , Michael Burke , Nassir Navab

We introduce SparseVM, a method that registers clinical-quality 3D MR scans both faster and more accurately than previously possible. Deformable alignment, or registration, of clinical scans is a fundamental task for many clinical…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Kathleen M. Lewis , Natalia S. Rost , John Guttag , Adrian V. Dalca

Standard plane localization is crucial for ultrasound (US) diagnosis. In prenatal US, dozens of standard planes are manually acquired with a 2D probe. It is time-consuming and operator-dependent. In comparison, 3D US containing multiple…

图像与视频处理 · 电气工程与系统科学 2024-03-05 Haoran Dou , Xin Yang , Jikuan Qian , Wufeng Xue , Hao Qin , Xu Wang , Lequan Yu , Shujun Wang , Yi Xiong , Pheng-Ann Heng , Dong Ni

The success of semi-supervised manifold learning is highly dependent on the quality of the labeled samples. Active manifold learning aims to select and label representative landmarks on a manifold from a given set of samples to improve…

机器学习 · 计算机科学 2018-10-17 Hongteng Xu , Licheng Yu , Mark Davenport , Hongyuan Zha

Recently, there is an increasing demand for automatically detecting anatomical landmarks which provide rich structural information to facilitate subsequent medical image analysis. Current methods related to this task often leverage the…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Zeyu Fu , Jianbo Jiao , Michael Suttie , J. Alison Noble

In this work we address the problem of landmark-based segmentation for anatomical structures. We propose HybridGNet, an encoder-decoder neural architecture which combines standard convolutions for image feature encoding, with graph…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Nicolás Gaggion , Lucas Mansilla , Diego Milone , Enzo Ferrante

Recent advances in the masked autoencoder (MAE) paradigm have significantly propelled self-supervised skeleton-based action recognition. However, most existing approaches limit reconstruction targets to raw joint coordinates or their simple…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Shengkai Sun , Zefan Zhang , Jianfeng Dong , Zhiyong Cheng , Xiaojun Chang , Meng Wang

Landmark detection is central to many medical applications, such as identifying critical structures for treatment planning or defining control points for biometric measurements. However, manual annotation is labor-intensive and requires…

Liver registration by overlaying preoperative 3D models onto intraoperative 2D frames can assist surgeons in perceiving the spatial anatomy of the liver clearly for a higher surgical success rate. Existing registration methods rely heavily…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Jun Zhou , Bingchen Gao , Kai Wang , Jialun Pei , Pheng-Ann Heng , Jing Qin

Image registration has traditionally been done using two distinct approaches: learning based methods, relying on robust deep neural networks, and optimization-based methods, applying complex mathematical transformations to warp images…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Gabriel De Araujo , Shanlin Sun , Xiaohui Xie

We propose FlowReg, a deep learning-based framework for unsupervised image registration for neuroimaging applications. The system is composed of two architectures that are trained sequentially: FlowReg-A which affinely corrects for gross…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Sergiu Mocanu , Alan R. Moody , April Khademi

Melanoma brain metastases (MBM) are common and spatially heterogeneous lesions, complicating cohort-level analyses due to anatomical variability and differing MRI protocols. We propose a fully differentiable, deep-learning-based deformable…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Nanna E. Wielenberg , Ilinca Popp , Oliver Blanck , Lucas Zander , Jan C. Peeken , Stephanie E. Combs , Anca-Ligia Grosu , Dimos Baltas , Tobias Fechter

Unsupervised Anomaly Detection has become a popular method to detect pathologies in medical images as it does not require supervision or labels for training. Most commonly, the anomaly detection model generates a "normal" version of an…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Felix Meissen , Johannes Paetzold , Georgios Kaissis , Daniel Rueckert

Motion artifacts in Magnetic Resonance Imaging (MRI) are one of the frequently occurring artifacts due to patient movements during scanning. Motion is estimated to be present in approximately 30% of clinical MRI scans; however, motion has…

图像与视频处理 · 电气工程与系统科学 2024-05-29 Zhifeng Chen , Kamlesh Pawar , Kh Tohidul Islam , Himashi Peiris , Gary Egan , Zhaolin Chen

Image registration is an essential but challenging task in medical image computing, especially for echocardiography, where the anatomical structures are relatively noisy compared to other imaging modalities. Traditional (non-learning)…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Zihao Wang , Yingyu Yang , Maxime Sermesant , Herve Delingette

In this paper, we present a novel deep-learning model for deformable registration of ultrasound images and an unsupervised approach to training this model. Our network employs recurrent all-pairs field transforms (RAFT) and a spatial…

图像与视频处理 · 电气工程与系统科学 2023-06-26 FNU Abhimanyu , Andrew L. Orekhov , John Galeotti , Howie Choset