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Registration of diffusion MRI tractography is an essential step for analyzing group similarities and variations in the brain's white matter (WM). Streamline-based registration approaches can leverage the 3D geometric information of fiber…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Junyi Wang , Mubai Du , Ye Wu , Yijie Li , William M. Wells , Lauren J. O'Donnell , Fan Zhang

Multiparametric mapping MRI has become a viable tool for myocardial tissue characterization. However, misalignment between multiparametric maps makes pixel-wise analysis challenging. To address this challenge, we developed a generalizable…

图像与视频处理 · 电气工程与系统科学 2025-10-31 Xinqi Li , Yi Zhang , Li-Ting Huang , Hsiao-Huang Chang , Thoralf Niendorf , Min-Chi Ku , Qian Tao , Hsin-Jung Yang

This paper introduces GeoMorph, a novel geometric deep-learning framework designed for image registration of cortical surfaces. The registration process consists of two main steps. First, independent feature extraction is performed on each…

机器学习 · 计算机科学 2023-11-23 Mohamed A. Suliman , Logan Z. J. Williams , Abdulah Fawaz , Emma C. Robinson

We study the performance of CLAIRE -- a diffeomorphic multi-node, multi-GPU image-registration algorithm, and software -- in large-scale biomedical imaging applications with billions of voxels. At such resolutions, most existing software…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Naveen Himthani , Malte Brunn , Jae-Youn Kim , Miriam Schulte , Andreas Mang , George Biros

This paper reviews several Riemannian metrics and evolution equations in the context of diffeomorphic shape analysis. After a short review of of various approaches at building Riemannian spaces of shapes, with a special focus on the…

微分几何 · 数学 2022-05-04 Nicolas Charon , Laurent Younes

Many existing learning-based deformable image registration methods impose constraints on deformation fields to ensure they are globally smooth and continuous. However, this assumption does not hold in cardiac image registration, where…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Hang Zhang , Xiang Chen , Renjiu Hu , Dongdong Liu , Gaolei Li , Rongguang Wang

Accurate segmentation of tubular structures in medical images, such as vessels and airway trees, is crucial for computer-aided diagnosis, radiotherapy, and surgical planning. However, significant challenges exist in algorithm design when…

图像与视频处理 · 电气工程与系统科学 2025-04-11 Yi Huang , Ke Zhang , Wei Liu , Yuanyuan Wang , Vishal M. Patel , Le Lu , Xu Han , Dakai Jin , Ke Yan

Multispectral transmission imaging provides strong benefits for early breast cancer screening. The frame accumulation method addresses the challenge of low grayscale and signal-to-noise ratio resulting from the strong absorption and…

图像与视频处理 · 电气工程与系统科学 2024-04-04 Jiatong Li , Gang Li , Nan Su Su Win , Ling Lin

Photoacoustic tomography is an emerging medical imaging technology whose primary aim is to map the high-contrast optical properties of biological tissues by leveraging high-resolution ultrasound measurements. Mathematically, this can be…

偏微分方程分析 · 数学 2025-02-14 Alessandro Felisi

Tagged magnetic resonance imaging (tMRI) has been employed for decades to measure the motion of tissue undergoing deformation. However, registration-based motion estimation from tMRI is difficult due to the periodic patterns in these…

图像与视频处理 · 电气工程与系统科学 2023-08-08 Zhangxing Bian , Shuwen Wei , Yihao Liu , Junyu Chen , Jiachen Zhuo , Fangxu Xing , Jonghye Woo , Aaron Carass , Jerry L. Prince

Medical image registration is a difficult problem. Not only a registration algorithm needs to capture both large and small scale image deformations, it also has to deal with global and local image intensity variations. In this paper we…

计算机视觉与模式识别 · 计算机科学 2009-07-14 Ulas Bagci , Li Bai

Under the fluctuation of the electric charge and atomic mass, this paper considers the theory of the thin film depletion layer formation of an ensemble of finitely excited, non-empty $d/f$-orbital heavy materials, from the thermodynamic…

统计力学 · 物理学 2015-05-20 S. Bellucci , B. N. Tiwari

This paper addresses the task of time separated aerial image registration. The ability to solve this problem accurately and reliably is important for a variety of subsequent image understanding applications. The principal challenge lies in…

计算机视觉与模式识别 · 计算机科学 2015-04-22 Ognjen Arandjelovic , Duc-Son Pham , Svetha Venkatesh

The goal of image registration is to establish spatial correspondence between two or more images, traditionally through dense displacement fields (DDFs) or parametric transformations (e.g., rigid, affine, and splines). Rethinking the…

计算机视觉与模式识别 · 计算机科学 2024-05-20 Shiqi Huang , Tingfa Xu , Ziyi Shen , Shaheer Ullah Saeed , Wen Yan , Dean Barratt , Yipeng Hu

Recent successes in deep learning based deformable image registration (DIR) methods have demonstrated that complex deformation can be learnt directly from data while reducing computation time when compared to traditional methods. However,…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Sharib Ali , Jens Rittscher

This work proposes NePhi, a generalizable neural deformation model which results in approximately diffeomorphic transformations. In contrast to the predominant voxel-based transformation fields used in learning-based registration…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Lin Tian , Hastings Greer , Raúl San José Estépar , Roni Sengupta , Marc Niethammer

This paper aims at providing multi-source remote sensing images registered in geometric space for image fusion. Focusing on the characteristics and differences of multi-source remote sensing images, a feature-based registration algorithm is…

图像与视频处理 · 电气工程与系统科学 2021-04-27 Chenzhong Gao , Wei Li

This paper introduces a novel computational framework for modeling and analyzing the spatiotemporal shape variability of tree-like 4D structures whose shapes deform and evolve over time. Tree-like 3D objects, such as botanical trees and…

The ability to register image data to a common coordinate system is a critical feature of virtually all imaging studies that require multiple subject analysis, combining single subject data from multiple modalities, or both. However, in…

计算机视觉与模式识别 · 计算机科学 2017-06-19 Vitaly L. Galinsky , Lawrence R. Frank

In this paper, we propose a new approach to deformable image registration that captures sliding motions. The large deformation diffeomorphic metric mapping (LDDMM) registration method faces challenges in representing sliding motion since it…

最优化与控制 · 数学 2023-03-15 Lili Bao , Jiahao Lu , Shihui Ying , Stefan Sommer