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Unsupervised deep-learning (DL) models were recently proposed for deformable image registration tasks. In such models, a neural-network is trained to predict the best deformation field by minimizing some dissimilarity function between the…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Samah Khawaled , Moti Freiman

We propose an unsupervised deep learning algorithm for the motion-compensated reconstruction of 5D cardiac MRI data from 3D radial acquisitions. Ungated free-breathing 5D MRI simplifies the scan planning, improves patient comfort, and…

图像与视频处理 · 电气工程与系统科学 2023-09-12 Joseph Kettelkamp , Ludovica Romanin , Davide Piccini , Sarv Priya , Mathews Jacob

Unregistered surface meshes, especially raw 3D scans, present significant challenges for automatic computation of plausible deformations due to the lack of established point-wise correspondences and the presence of noise in the data. In…

图形学 · 计算机科学 2025-09-01 Thomas Besnier , Sylvain Arguillère , Mohamed Daoudi

The ability to reconstruct high-quality images from undersampled MRI data is vital in improving MRI temporal resolution and reducing acquisition times. Deep learning methods have been proposed for this task, but the lack of verified methods…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Samah Khawaled , Moti Freiman

Magnetic Resonance Imaging allows high resolution data acquisition with the downside of motion sensitivity due to relatively long acquisition times. Even during the acquisition of a single 2D slice, motion can severely corrupt the image.…

数值分析 · 数学 2024-04-12 Mathias S. Feinler , Bernadette N. Hahn

We present a new data-driven video inpainting method for recovering missing regions of video frames. A novel deep learning architecture is proposed which contains two sub-networks: a temporal structure inference network and a spatial detail…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Chuan Wang , Haibin Huang , Xiaoguang Han , Jue Wang

We introduce an end-to-end deep-learning framework for 3D medical image registration. In contrast to existing approaches, our framework combines two registration methods: an affine registration and a vector momentum-parameterized stationary…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Zhengyang Shen , Xu Han , Zhenlin Xu , Marc Niethammer

In this paper, we are interested in self-supervised learning the motion cues in videos using dynamic motion filters for a better motion representation to finally boost human action recognition in particular. Thus far, the vision community…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Ali Diba , Vivek Sharma , Luc Van Gool , Rainer Stiefelhagen

Registration plays an important role in medical image analysis. Deep learning-based methods have been studied for medical image registration, which leverage convolutional neural networks (CNNs) for efficiently regressing a dense deformation…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Xiaoru Gao , GuoYan Zheng

Subretinal injection is a critical procedure for delivering therapeutic agents to treat retinal diseases such as age-related macular degeneration (AMD). However, retinal motion caused by physiological factors such as respiration and…

机器人学 · 计算机科学 2025-04-08 Tianle Wu , Mojtaba Esfandiari , Peiyao Zhang , Russell H. Taylor , Peter Gehlbach , Iulian Iordachita

Given new pairs of source and target point sets, standard point set registration methods often repeatedly conduct the independent iterative search of desired geometric transformation to align the source point set with the target one. This…

图形学 · 计算机科学 2019-07-30 Lingjing Wang , Xiang Li , Jianchun Chen , Yi Fang

We present a diffeomorphic image registration algorithm to learn spatial transformations between pairs of images to be registered using fully convolutional networks (FCNs) under a self-supervised learning setting. The network is trained to…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Hongming Li , Yong Fan

Data-driven methods have become increasingly more prominent for musculoskeletal modelling due to their conceptually intuitive simple and fast implementation. However, the performance of a pre-trained data-driven model using the data from…

信号处理 · 电气工程与系统科学 2022-11-23 Jie Zhang , Yihui Zhao , Tianzhe Bao , Zhenhong Li , Kun Qian , Alejandro F. Frangi , Sheng Quan Xie , Zhi-Qiang Zhang

We introduce Neural Deformation Graphs for globally-consistent deformation tracking and 3D reconstruction of non-rigid objects. Specifically, we implicitly model a deformation graph via a deep neural network. This neural deformation graph…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Aljaž Božič , Pablo Palafox , Michael Zollhöfer , Justus Thies , Angela Dai , Matthias Nießner

Reconstruction of PET images is an ill-posed inverse problem and often requires iterative algorithms to achieve good image quality for reliable clinical use in practice, at huge computational costs. In this paper, we consider the PET…

计算机视觉与模式识别 · 计算机科学 2017-04-25 Jieqing Jiao , Sebastien Ourselin

Efficient and fast reconstruction of anatomical structures plays a crucial role in clinical practice. Minimizing retrieval and processing times not only potentially enhances swift response and decision-making in critical scenarios but also…

In this paper we propose a novel deep neural network that is able to jointly reason about 3D detection, tracking and motion forecasting given data captured by a 3D sensor. By jointly reasoning about these tasks, our holistic approach is…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Wenjie Luo , Bin Yang , Raquel Urtasun

Positron Emission Tomography (PET) enables functional imaging of deep brain structures, but the bulk and weight of current systems preclude their use during many natural human activities, such as locomotion. The proposed long-term solution…

机器人学 · 计算机科学 2023-12-07 Junxiang Wang , Ti Wu , Iulian I. Iordachita , Peter Kazanzides

Markerless motion capture has become an active field of research in computer vision in recent years. Its extensive applications are known in a great variety of fields, including computer animation, human motion analysis, biomedical…

计算机视觉与模式识别 · 计算机科学 2022-01-10 Doan Duy Vo , Russell Butler

Achieving high image quality for temporal frames in dynamic positron emission tomography (PET) is challenging due to the limited statistic especially for the short frames. Recent studies have shown that deep learning (DL) is useful in a…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Kuang Xiaodong , Li Bingxuan , Li Yuan , Rao Fan , Ma Gege , Xie Qingguo , Mok Greta S P , Liu Huafeng , Zhu Wentao