English
Related papers

Related papers: Reliev3R: Relieving Feed-forward Reconstruction fr…

200 papers

We present a framework, called MVG-NeRF, that combines classical Multi-View Geometry algorithms and Neural Radiance Fields (NeRF) for image-based 3D reconstruction. NeRF has revolutionized the field of implicit 3D representations, mainly…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Marco Orsingher , Paolo Zani , Paolo Medici , Massimo Bertozzi

In the past few years, significant advancements were made in reconstruction of observed natural images from fMRI brain recordings using deep-learning tools. Here, for the first time, we show that dense 3D depth maps of observed 2D natural…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Guy Gaziv , Michal Irani

Robots often rely on RGB images for tasks like manipulation and navigation. However, reliable interaction typically requires a 3D scene representation that is metric-scaled and aligned with the robot reference frame. This depends on…

Robotics · Computer Science 2025-09-11 Davide Allegro , Matteo Terreran , Stefano Ghidoni

In many practical fluid dynamics experiments, measuring variables such as velocity and pressure is possible only at a limited number of sensor locations, \textcolor{black}{for a few two-dimensional planes, or for a small 3D domain in the…

Fluid Dynamics · Physics 2023-07-14 Ali Girayhan Özbay , Sylvain Laizet

We present NOVA3R, an effective approach for non-pixel-aligned 3D reconstruction from a set of unposed images in a feed-forward manner. Unlike pixel-aligned methods that tie geometry to per-ray predictions, our formulation learns a global,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Weirong Chen , Chuanxia Zheng , Ganlin Zhang , Andrea Vedaldi , Daniel Cremers

3D neural implicit representations play a significant component in many robotic applications. However, reconstructing neural radiance fields (NeRF) from realistic event data remains a challenge due to the sparsities and the lack of…

Robotics · Computer Science 2024-01-31 Jiaxu Wang , Junhao He , Ziyi Zhang , Renjing Xu

Deploying visual reinforcement learning (RL) policies in real-world manipulation is often hindered by camera viewpoint changes. A policy trained from a fixed front-facing camera may fail when the camera is shifted -- an unavoidable…

Robotics · Computer Science 2026-03-13 Zheng Li , Pei Qu , Yufei Jia , Shihui Zhou , Haizhou Ge , Jiahang Cao , Jinni Zhou , Guyue Zhou , Jun Ma

In this work, we focus on synthesizing high-fidelity novel view images for arbitrary human performers, given a set of sparse multi-view images. It is a challenging task due to the large variation among articulated body poses and heavy…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Jianchuan Chen , Wentao Yi , Liqian Ma , Xu Jia , Huchuan Lu

Foundation models pre-trained on massive unlabeled datasets have revolutionized natural language and computer vision, exhibiting remarkable generalization capabilities, thus highlighting the importance of pre-training. Yet, efforts in…

Robotics · Computer Science 2025-05-20 Dantong Niu , Yuvan Sharma , Haoru Xue , Giscard Biamby , Junyi Zhang , Ziteng Ji , Trevor Darrell , Roei Herzig

Multi-view 3D reconstruction has achieved remarkable progress with the advent of feed-forward 3D reconstruction models. However, these models are typically trained and evaluated under ideal, degradation-free imaging conditions, whereas…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Jin Hyeon Kim , Jaeeun Lee , Claire Kim , Kyoungjin Oh , Paul Hyunbin Cho , Jaewon Min , Yeji Choi , Jihye Park , Hyunhee Park , Minkyu Park , Seungryong Kim

Active 3D reconstruction enables an agent to autonomously select viewpoints to efficiently obtain accurate and complete scene geometry, rather than passively reconstructing scenes from pre-collected images. However, existing active…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Tianling Xu , Shengzhe Gan , Leslie Gu , Yuelei Li , Fangneng Zhan , Hanspeter Pfister

Quantitative magnetic resonance imaging (qMRI) provides tissue-specific parameters vital for clinical diagnosis. Although simultaneous multi-parametric qMRI (MP-qMRI) technologies enhance imaging efficiency, robustly reconstructing qMRI…

Image and Video Processing · Electrical Eng. & Systems 2025-06-12 Haonan Zhang , Guoyan Lao , Yuyao Zhang , Hongjiang Wei

Recent learning-based approaches, in which models are trained by single-view images have shown promising results for monocular 3D face reconstruction, but they suffer from the ill-posed face pose and depth ambiguity issue. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Jiaxiang Shang , Tianwei Shen , Shiwei Li , Lei Zhou , Mingmin Zhen , Tian Fang , Long Quan

Large Language Models (LLMs) such as ChatGPT demonstrate strong few-shot adaptability without requiring fine-tuning, positioning them ideal for data-limited and real-time applications. However, this adaptability has not yet been replicated…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Zixuan Hu , Yongxian Wei , Li Shen , Chun Yuan , Dacheng Tao

Understanding 3D scenes from multi-view inputs has been proven to alleviate the view discrepancy issue in 3D visual grounding. However, existing methods normally neglect the view cues embedded in the text modality and fail to weigh the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Zoey Guo , Yiwen Tang , Ray Zhang , Dong Wang , Zhigang Wang , Bin Zhao , Xuelong Li

3D face reconstruction plays a very important role in many real-world multimedia applications, including digital entertainment, social media, affection analysis, and person identification. The de-facto pipeline for estimating the parametric…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Jialiang Zhang , Lixiang Lin , Jianke Zhu , Steven C. H. Hoi

Accurate and computationally efficient 3D medical image segmentation remains a critical challenge in clinical workflows. Transformer-based architectures often demonstrate superior global contextual modeling but at the expense of excessive…

Image and Video Processing · Electrical Eng. & Systems 2026-02-19 Kavyansh Tyagi , Vishwas Rathi , Puneet Goyal

Recent advances in dense 3D reconstruction have led to significant progress, yet achieving accurate unified geometric prediction remains a major challenge. Most existing methods are limited to predicting a single geometry quantity from…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Xianze Fang , Jingnan Gao , Zhe Wang , Zhuo Chen , Xingyu Ren , Jiangjing Lyu , Qiaomu Ren , Zhonglei Yang , Xiaokang Yang , Yichao Yan , Chengfei Lyu

Structure-from-Motion (SfM), a task aiming at jointly recovering camera poses and 3D geometry of a scene given a set of images, remains a hard problem with still many open challenges despite decades of significant progress. The traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Bardienus Duisterhof , Lojze Zust , Philippe Weinzaepfel , Vincent Leroy , Yohann Cabon , Jerome Revaud

Recent advances in 3D Gaussian Splatting (3DGS) present two main directions: feed-forward models offer fast inference in sparse-view settings, while per-scene optimization yields high-quality renderings but is computationally expensive. To…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Yueh-Cheng Liu , Jozef Hladký , Matthias Nießner , Angela Dai