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Deep Implicit Functions (DIFs) represent 3D geometry with continuous signed distance functions learned through deep neural nets. Recently DIFs-based methods have been proposed to handle shape reconstruction and dense point correspondences…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Shanlin Sun , Kun Han , Deying Kong , Hao Tang , Xiangyi Yan , Xiaohui Xie

Deformable medical image registration plays an important role in clinical diagnosis and treatment. Recently, the deep learning (DL) based image registration methods have been widely investigated and showed excellent performance in…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Yibo Wang , Wen Qian , Xuming Zhang

A novel non-rigid image registration algorithm is built upon fully convolutional networks (FCNs) to optimize and learn spatial transformations between pairs of images to be registered in a self-supervised learning framework. Different from…

Computer Vision and Pattern Recognition · Computer Science 2018-01-15 Hongming Li , Yong Fan

Deformable image registration is crucial for aligning medical images in a nonlinear fashion across different modalities, allowing for precise spatial correspondence between varying anatomical structures. This paper presents NestedMorph, a…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Gurucharan Marthi Krishna Kumar , Janine Mendola , Amir Shmuel

In medical imaging, most of the image registration methods implicitly assume a one-to-one correspondence between the source and target images (i.e., diffeomorphism). However, this is not necessarily the case when dealing with pathological…

Image and Video Processing · Electrical Eng. & Systems 2022-02-03 Matthis Maillard , Anton François , Joan Glaunès , Isabelle Bloch , Pietro Gori

Deformable image registration aims to find a dense non-linear spatial correspondence between a pair of images, which is a crucial step for many medical tasks such as tumor growth monitoring and population analysis. Recently, Deep Neural…

Image and Video Processing · Electrical Eng. & Systems 2025-01-09 Mingyuan Meng , Michael Fulham , Dagan Feng , Lei Bi , Jinman Kim

Recent advances in deep learning-based medical image registration have shown that training deep neural networks~(DNNs) does not necessarily require medical images. Previous work showed that DNNs trained on randomly generated images with…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Junyu Chen , Shuwen Wei , Yihao Liu , Aaron Carass , Yong Du

Medical image registration is a challenging task involving the estimation of spatial transformations to establish anatomical correspondence between pairs or groups of images. Recently, deep learning-based image registration methods have…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Xiang Chen , Yan Xia , Nishant Ravikumar , Alejandro F Frangi

Deformable image registration is fundamental to longitudinal and population analysis. Geometric alignment of the infant brain MR images is challenging, owing to rapid changes in image appearance in association with brain development. In…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Dongming Wei , Sahar Ahmad , Yunzhi Huang , Lei Ma , Zhengwang Wu , Gang Li , Li Wang , Qian Wang , Pew-Thian Yap , Dinggang Shen

Deformable image registration can obtain dynamic information about images, which is of great significance in medical image analysis. The unsupervised deep learning registration method can quickly achieve high registration accuracy without…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Xiao Fan , Shuxin Zhuang , Zhemin Zhuang , Ye Yuan , Shunmin Qiu , Alex Noel Joseph Raj , Yibiao Rong

Reconstruction of deformable scenes from endoscopic videos is important for many applications such as intraoperative navigation, surgical visual perception, and robotic surgery. It is a foundational requirement for realizing autonomous…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Shreya Saha , Zekai Liang , Shan Lin , Jingpei Lu , Michael Yip , Sainan Liu

Deformable image registration is fundamental for many medical image analyses. A key obstacle for accurate image registration lies in image appearance variations such as the variations in texture, intensities, and noise. These variations are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Mingyuan Meng , Lei Bi , Michael Fulham , David Dagan Feng , Jinman Kim

Purpose: This study aims to explore training strategies to improve convolutional neural network-based image-to-image deformable registration for abdominal imaging. Methods: Different training strategies, loss functions, and transfer…

Image and Video Processing · Electrical Eng. & Systems 2023-02-28 Javier Pérez de Frutos , André Pedersen , Egidijus Pelanis , David Bouget , Shanmugapriya Survarachakan , Thomas Langø , Ole-Jakob Elle , Frank Lindseth

In this work we propose a deep learning network for deformable image registration (DIRNet). The DIRNet consists of a convolutional neural network (ConvNet) regressor, a spatial transformer, and a resampler. The ConvNet analyzes a pair of…

Computer Vision and Pattern Recognition · Computer Science 2017-12-08 Bob D. de Vos , Floris F. Berendsen , Max A. Viergever , Marius Staring , Ivana Išgum

Image registration is a fundamental step in medical image analysis. Ideally, the transformation that registers one image to another should be a diffeomorphism that is both invertible and smooth. Traditional methods like geodesic shooting…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Dongyang Kuang

Cortical surface registration is a fundamental tool for neuroimaging analysis that has been shown to improve the alignment of functional regions relative to volumetric approaches. Classically, image registration is performed by optimizing a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed A. Suliman , Logan Z. J. Williams , Abdulah Fawaz , Emma C. Robinson

Image registration, a critical process in medical imaging, involves aligning different sets of medical imaging data into a single unified coordinate system. Deep learning networks, such as the Convolutional Neural Network (CNN)-based…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Ziyang Wang , Jian-Qing Zheng , Chao Ma , Tao Guo

Deformable medical image registration is a crucial aspect of medical image analysis. In recent years, researchers have begun leveraging auxiliary tasks (such as supervised segmentation) to provide anatomical structure information for the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Hongchao Zhou , Shunbo Hu

We describe a diffeomorphic registration algorithm that allows groups of images to be accurately aligned to a common space, which we intend to incorporate into the SPM software. The idea is to perform inference in a probabilistic graphical…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Mikael Brudfors , Yaël Balbastre , Guillaume Flandin , Parashkev Nachev , John Ashburner

Deformable image registration is a fundamental task in medical image analysis, aiming to establish a dense and non-linear correspondence between a pair of images. Previous deep-learning studies usually employ supervised neural networks to…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Jun Zhang