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Deformable registration is ubiquitous in medical image analysis. Many deformable registration methods minimize sum of squared difference (SSD) as the registration cost with respect to deformable model parameters. In this work, we construct…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Sayan Ghosal , Nilanjan Ray

Classical deformable registration techniques achieve impressive results and offer a rigorous theoretical treatment, but are computationally intensive since they solve an optimization problem for each image pair. Recently, learning-based…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Adrian V. Dalca , Guha Balakrishnan , John Guttag , Mert R. Sabuncu

Recent works in medical image registration have proposed the use of Implicit Neural Representations, demonstrating performance that rivals state-of-the-art learning-based methods. However, these implicit representations need to be optimized…

图像与视频处理 · 电气工程与系统科学 2023-10-04 Louis D. van Harten , Jaap Stoker , Ivana Išgum

Objective: Deformable image registration is a fundamental problem in medical image analysis, with applications such as longitudinal studies, population modeling, and atlas based image segmentation. Registration is often phrased as an…

计算机视觉与模式识别 · 计算机科学 2018-10-22 Simon Ekström , Filip Malmberg , Håkan Ahlström , Joel Kullberg , Robin Strand

The incomplete sampling of data in complex polarization measurements from radio telescopes negatively affects both the rotation measure (RM) transfer function and the Faraday depth spectra derived from these data. Such gaps in polarization…

天体物理仪器与方法 · 物理学 2021-02-24 S. W. Ndiritu , A. M. M. Scaife , D. L. Tabb , M. Carcamo , J. Hanson

Medical image registration is critical for aligning anatomical structures across imaging modalities such as computed tomography (CT), magnetic resonance imaging (MRI), and ultrasound. Among existing techniques, non-rigid registration (NRR)…

图像与视频处理 · 电气工程与系统科学 2025-12-17 Sneha Sree C. , Dattesh Shanbhag , Sudhanya Chatterjee

Deformable image registration is one of the fundamental tasks in medical imaging. Classical registration algorithms usually require a high computational cost for iterative optimizations. Although deep-learning-based methods have been…

图像与视频处理 · 电气工程与系统科学 2022-09-30 Boah Kim , Inhwa Han , Jong Chul Ye

Deep Gaussian processes (DGPs) provide a Bayesian non-parametric alternative to standard parametric deep learning models. A DGP is formed by stacking multiple GPs resulting in a well-regularized composition of functions. The Bayesian…

机器学习 · 统计学 2018-06-06 Vinayak Kumar , Vaibhav Singh , P. K. Srijith , Andreas Damianou

This paper introduces a novel paradigm for the generalizable neural radiance field (NeRF). Previous generic NeRF methods combine multiview stereo techniques with image-based neural rendering for generalization, yielding impressive results,…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Jiaxu Wang , Ziyi Zhang , Renjing Xu

Video frame interpolation task has recently become more and more prevalent in the computer vision field. At present, a number of researches based on deep learning have achieved great success. Most of them are either based on optical flow…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Haoyue Tian , Pan Gao , Xiaojiang Peng

Research into object deformations using computer vision techniques has been under intense study in recent years. A widely used technique is 3D non-rigid registration to estimate the transformation between two instances of a deforming…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Marcelo Saval-Calvo , Jorge Azorin-Lopez , Andres Fuster-Guillo , Victor Villena-Martinez , Robert B. Fisher

Free Point Transformer (FPT) has been proposed as a data-driven, non-rigid point set registration approach using deep neural networks. As FPT does not assume constraints based on point vicinity or correspondence, it may be trained simply…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Zachary MC Baum , Tamas Ungi , Christopher Schlenger , Yipeng Hu , Dean C Barratt

We present GP-4DGS, a novel framework that integrates Gaussian Processes (GPs) into 4D Gaussian Splatting (4DGS) for principled probabilistic modeling of dynamic scenes. While existing 4DGS methods focus on deterministic reconstruction,…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Mijeong Kim , Jungtaek Kim , Bohyung Han

Disentangled representation is a powerful technique to tackle domain shift problem in medical image analysis in unsupervised domain adaptation setting.However, previous methods only focus on exacting domain-invariant feature and ignore…

图像与视频处理 · 电气工程与系统科学 2023-03-07 Shuai Wang , Rui Li

Diffusion Magnetic Resonance Imaging (dMRI) is a non-invasive tool for watching the microstructure of fibrous nerve and muscle tissue. From dMRI, it is possible to estimate 2-rank diffusion tensors imaging (DTI) fields, that are widely used…

计算机视觉与模式识别 · 计算机科学 2016-06-28 Hernan Dario Vargas Cardona , Mauricio A. Alvarez , Alvaro A. Orozco

Neural implicit representations, including Neural Distance Fields and Neural Radiance Fields, have demonstrated significant capabilities for reconstructing surfaces with complicated geometry and topology, and generating novel views of a…

图形学 · 计算机科学 2024-02-08 Lin Gao , Jie Yang , Bo-Tao Zhang , Jia-Mu Sun , Yu-Jie Yuan , Hongbo Fu , Yu-Kun Lai

Deformable registration is crucial in medical imaging. Several existing applications include lesion tracking, probabilistic atlas generation, and treatment response evaluation. However, current methods often lack robustness and…

图像与视频处理 · 电气工程与系统科学 2026-03-04 Yunzheng Zhu , Aichi Chien , Kimaya kulkarni , Luoting Zhuang , Stephen Park , Ricky Savjani , Daniel Low , William Hsu

Gaussian processes (GPs) are Bayesian nonparametric models for function approximation with principled predictive uncertainty estimates. Deep Gaussian processes (DGPs) are multilayer generalizations of GPs that can represent complex marginal…

机器学习 · 统计学 2024-09-20 Qiuxian Meng , Yongyou Zhang

A Gaussian Process GP based ground segmentation method is proposed in this paper which is fully developed in a probabilistic framework. The proposed method tends to obtain a continuous realistic model of the ground. The LiDAR…

机器人学 · 计算机科学 2021-11-23 Pouria Mehrabi , Hamid D. Taghirad

Point cloud registration is a fundamental problem for large-scale 3D scene scanning and reconstruction. With the help of deep learning, registration methods have evolved significantly, reaching a nearly-mature stage. As the introduction of…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Jiahao Chang , Yinglin Xu , Yihao Li , Yuantao Chen , Xiaoguang Han