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In this paper, we advocate the adoption of metric preservation as a powerful prior for learning latent representations of deformable 3D shapes. Key to our construction is the introduction of a geometric distortion criterion, defined…

Machine Learning · Computer Science 2020-12-14 Luca Cosmo , Antonio Norelli , Oshri Halimi , Ron Kimmel , Emanuele Rodolà

The world is inherently dynamic, and continual learning aims to enable models to adapt to ever-evolving data streams. While pre-trained models have shown powerful performance in continual learning, they still require finetuning to adapt…

Machine Learning · Computer Science 2026-03-20 Haihua Luo , Xuming Ran , Tommi Kärkkäinen , Huiyan Xue , Zhonghua Chen , Qi Xu , Fengyu Cong

Large deformations of organs, caused by diverse shapes and nonlinear shape changes, pose a significant challenge for medical image registration. Traditional registration methods need to iteratively optimize an objective function via a…

Image and Video Processing · Electrical Eng. & Systems 2022-05-03 Ziwei Luo , Jing Hu , Xin Wang , Shu Hu , Bin Kong , Youbing Yin , Qi Song , Xi Wu , Siwei Lyu

Registration of brain MRI images requires to solve a deformation field, which is extremely difficult in aligning intricate brain tissues, e.g., subcortical nuclei, etc. Existing efforts resort to decomposing the target deformation field…

Image and Video Processing · Electrical Eng. & Systems 2022-04-27 Jinxin Lv , Zhiwei Wang , Hongkuan Shi , Haobo Zhang , Sheng Wang , Yilang Wang , Qiang Li

Accurate detection and segmentation of anatomical structures from ultrasound images are crucial for clinical diagnosis and biometric measurements. Although ultrasound imaging has been widely used with superiorities such as low cost and…

Computer Vision and Pattern Recognition · Computer Science 2016-07-08 Hao Chen , Yefeng Zheng , Jin-Hyeong Park , Pheng-Ann Heng , S. Kevin Zhou

Image forensics is a rising topic as the trustworthy multimedia content is critical for modern society. Like other vision-related applications, forensic analysis relies heavily on the proper image representation. Despite the importance,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Shuren Qi , Yushu Zhang , Chao Wang , Jiantao Zhou , Xiaochun Cao

Facial recognition systems have achieved remarkable success by leveraging deep neural networks, advanced loss functions, and large-scale datasets. However, their performance often deteriorates in real-world scenarios involving low-quality…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Sadaf Gulshad , Abdullah Aldahlawi

Learning a disentangled representation of the latent space has become one of the most fundamental problems studied in computer vision. Recently, many Generative Adversarial Networks (GANs) have shown promising results in generating high…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Kumar Shubham , Gopalakrishnan Venkatesh , Reijul Sachdev , Akshi , Dinesh Babu Jayagopi , G. Srinivasaraghavan

Longitudinal imaging allows for the study of structural changes over time. One approach to detecting such changes is by non-linear image registration. This study introduces Multi-Session Temporal Registration (MUSTER), a novel method that…

There remains an important need for the development of image reconstruction methods that can produce diagnostically useful images from undersampled measurements. In magnetic resonance imaging (MRI), for example, such methods can facilitate…

Image and Video Processing · Electrical Eng. & Systems 2021-06-28 Varun A. Kelkar , Sayantan Bhadra , Mark A. Anastasio

Medical image registration is a fundamental task in medical image analysis, enabling the alignment of images from different modalities or time points. However, intensity inconsistencies and nonlinear tissue deformations pose significant…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Eytan Kats , Christoph Grossbroehmer , Ziad Al-Haj Hemidi , Fenja Falta , Wiebke Heyer , Mattias P. Heinrich

Current approaches for deformable medical image registration often struggle to fulfill all of the following criteria: versatile applicability, small computation or training times, and the being able to estimate large deformations.…

Image and Video Processing · Electrical Eng. & Systems 2021-12-07 Hanna Siebert , Lasse Hansen , Mattias P. Heinrich

Deep learning has revolutionized medical and biological imaging, particularly in segmentation tasks. However, segmenting biological cells remains challenging due to the high variability and complexity of cell shapes. Addressing this…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Tianhao Zhang , Heather J. McCourty , Berardo M. Sanchez-Tafolla , Anton Nikolaev , Lyudmila S. Mihaylova

Deformable Image Registration (DIR) plays a significant role in quantifying deformation in medical data. Recent Deep Learning methods have shown promising accuracy and speedup for registering a pair of medical images. However, in 4D (3D +…

Image and Video Processing · Electrical Eng. & Systems 2023-05-26 Xiao Liang , Shan Lin , Fei Liu , Dimitri Schreiber , Michael Yip

Deep learning models for medical data are typically trained using task specific objectives that encourage representations to collapse onto a small number of discriminative directions. While effective for individual prediction problems, this…

Machine Learning · Computer Science 2026-02-10 Yuanyun Zhang , Mingxuan Zhang , Siyuan Li , Zihan Wang , Haoran Chen , Wenbo Zhou , Shi Li

Parameter inference for dynamical models of (bio)physical systems remains a challenging problem. Intractable gradients, high-dimensional spaces, and non-linear model functions are typically problematic without large computational budgets. A…

Quantitative Methods · Quantitative Biology 2023-09-29 Dominic Boutet , Sylvain Baillet

Medical Image Grounding (MIG), which involves localizing specific regions in medical images based on textual descriptions, requires models to not only perceive regions but also deduce spatial relationships of these regions. Existing…

Machine Learning · Computer Science 2025-07-08 Huihui Xu , Yuanpeng Nie , Hualiang Wang , Ying Chen , Wei Li , Junzhi Ning , Lihao Liu , Hongqiu Wang , Lei Zhu , Jiyao Liu , Xiaomeng Li , Junjun He

This paper presents a novel predictive model, MetaMorph, for metamorphic registration of images with appearance changes (i.e., caused by brain tumors). In contrast to previous learning-based registration methods that have little or no…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Jian Wang , Jiarui Xing , Jason Druzgal , William M. Wells , Miaomiao Zhang

Existing visual localization methods are typically either 2D image-based, which are easy to build and maintain but limited in effective geometric reasoning, or 3D structure-based, which achieve high accuracy but require a centralized…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Xudong Jiang , Fangjinhua Wang , Silvano Galliani , Christoph Vogel , Marc Pollefeys

While deep learning has achieved significant advances in accuracy for medical image segmentation, its benefits for deformable image registration have so far remained limited to reduced computation times. Previous work has either focused on…

Computer Vision and Pattern Recognition · Computer Science 2018-12-06 Alessa Hering , Sven Kuckertz , Stefan Heldmann , Mattias Heinrich