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Self-supervised pretrain techniques have been widely used to improve the downstream tasks' performance. However, real-world magnetic resonance (MR) studies usually consist of different sets of contrasts due to different acquisition…

图像与视频处理 · 电气工程与系统科学 2025-06-17 Badhan Kumar Das , Ajay Singh , Gengyan Zhao , Han Liu , Thomas J. Re , Dorin Comaniciu , Eli Gibson , Andreas Maier

Introduction: Fetal resting-state functional magnetic resonance imaging (rs-fMRI) is a rapidly evolving field that provides valuable insight into brain development before birth. Accurate segmentation of the fetal brain from the surrounding…

Despite the promising results of multi-view reconstruction, the recent neural rendering-based methods, such as implicit surface rendering (IDR) and volume rendering (NeuS), not only incur a heavy computational burden on training but also…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Yisu Zhang , Jianke Zhu , Lixiang Lin

Segmentation of the developing fetal brain is an important step in quantitative analyses. However, manual segmentation is a very time-consuming task which is prone to error and must be completed by highly specialized indi-viduals.…

图像与视频处理 · 电气工程与系统科学 2020-09-15 Kelly Payette , Raimund Kottke , Andras Jakab

High-resolution (HR) magnetic resonance images (MRI) provide detailed anatomical information important for clinical application and quantitative image analysis. However, HR MRI conventionally comes at the cost of longer scan time, smaller…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Yuhua Chen , Feng Shi , Anthony G. Christodoulou , Zhengwei Zhou , Yibin Xie , Debiao Li

Accurate segmentation of brain tissue in magnetic resonance images (MRI) is a diffcult task due to different types of brain abnormalities. Using information and features from multimodal MRI including T1, T1-weighted inversion recovery…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Yongpei Zhu , Zicong Zhou , Guojun Liao , Qianxi Yang , Kehong Yuan

Neuroanatomical segmentation in magnetic resonance imaging (MRI) of the brain is a prerequisite for volume, thickness and shape measurements. This work introduces a new highly accurate and versatile method based on 3D convolutional neural…

定量方法 · 定量生物学 2019-02-07 Philip Novosad , Vladimir Fonov , D. Louis Collins

Segmenting the retinal vasculature entails a trade-off between how much of the overall vascular structure we identify vs. how precisely we segment individual vessels. In particular, state-of-the-art methods tend to under-segment faint…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Aashis Khanal , Rolando Estrada

Medical image super-resolution (MedSR) is essential for improving diagnostic precision across diverse imaging modalities such as MRI, CT, X-ray, Ultrasound, and Fundus imaging. Despite rapid advances in deep learning, challenges remain in…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Subhash Gurappa , Trivikram Satharasi , Yashas Hariprasad , Sundararaj Sitharama Iyengar

Manual segmentation of rodent brain lesions from magnetic resonance images (MRIs) is an arduous, time-consuming and subjective task that is highly important in pre-clinical research. Several automatic methods have been developed for…

图像与视频处理 · 电气工程与系统科学 2019-08-26 Juan Miguel Valverde , Artem Shatillo , Riccardo de Feo , Olli Gröhn , Alejandra Sierra , Jussi Tohka

The most recent fast and accurate image segmentation methods are built upon fully convolutional deep neural networks. In this paper, we propose new deep learning strategies for DenseNets to improve segmenting images with subtle differences…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Seyed Raein Hashemi , Sanjay P. Prabhu , Simon K. Warfield , Ali Gholipour

Fetal brain segmentation is an important first step for slice-level motion correction and slice-to-volume reconstruction in fetal MRI. Fast and accurate segmentation of the fetal brain on fetal MRI is required to achieve real-time fetal…

图像与视频处理 · 电气工程与系统科学 2022-05-05 Razieh Faghihpirayesh , Davood Karimi , Deniz Erdogmus , Ali Gholipour

Background: Enlargement of perivascular spaces (PVS) is common in neurodegenerative disorders including cerebral small vessel disease, Alzheimer's disease, and Parkinson's disease. PVS enlargement may indicate impaired clearance pathways…

图像与视频处理 · 电气工程与系统科学 2025-02-17 William Pham , Alexander Jarema , Donggyu Rim , Zhibin Chen , Mohamed S. H. Khlif , Vaughan G. Macefield , Luke A. Henderson , Amy Brodtmann

The hybrid deep models of Vision Transformer (ViT) and Convolution Neural Network (CNN) have emerged as a powerful class of backbones for vision tasks. Scaling up the input resolution of such hybrid backbones naturally strengthes model…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Ting Yao , Yehao Li , Yingwei Pan , Tao Mei

Achieving efficient and consistent localization a prior map remains challenging in robotics. Conventional keyframe-based approaches often suffers from sub-optimal viewpoints due to limited field of view (FOV) and/or constrained motion, thus…

机器人学 · 计算机科学 2024-03-11 Saimouli Katragadda , Woosik Lee , Yuxiang Peng , Patrick Geneva , Chuchu Chen , Chao Guo , Mingyang Li , Guoquan Huang

Whole brain segmentation is an important neuroimaging task that segments the whole brain volume into anatomically labeled regions-of-interest. Convolutional neural networks have demonstrated good performance in this task. Existing…

图像与视频处理 · 电气工程与系统科学 2021-11-01 Yeshu Li , Jonathan Cui , Yilun Sheng , Xiao Liang , Jingdong Wang , Eric I-Chao Chang , Yan Xu

Magnetic resonance imaging (MRI) is a vital clinical diagnostic tool, yet its application is limited by prolonged scan times. Accelerating MRI reconstruction addresses this issue by reconstructing high-fidelity MR images from undersampled…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Jingran Xu , Yuanyuan Liu , Yuanbiao Yang , Zhuo-Xu Cui , Jing Cheng , Qingyong Zhu , Nannan Zhang , Yihang Zhou , Dong Liang , Yanjie Zhu

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

图像与视频处理 · 电气工程与系统科学 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

Analyzing CT scans, MRIs and X-rays is pivotal in diagnosing and treating diseases. However, detecting and identifying abnormalities from such medical images is a time-intensive process that requires expert analysis and is prone to…

图像与视频处理 · 电气工程与系统科学 2025-03-14 Daniel Syomichev , Padmini Gopinath , Guang-Lin Wei , Eric Chang , Ian Gordon , Amanuel Seifu , Rahul Pemmaraju , Neehar Peri , James Purtilo

Purpose: In multi-spectral imaging (MSI), several fast spin echo volumes with discrete Larmor frequency offsets are acquired in an interleaved fashion with multiple concatenations. Here, a variable resolution (VR) method to nearly halve…

医学物理 · 物理学 2023-06-06 Nikolai J. Mickevicius , Azadeh Sharafi , Andrew S. Nencka , Kevin M. Koch