English
Related papers

Related papers: SpaRP: Fast 3D Object Reconstruction and Pose Esti…

200 papers

Underwater image restoration algorithms seek to restore the color, contrast, and appearance of a scene that is imaged underwater. They are a critical tool in applications ranging from marine ecology and aquaculture to underwater…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Jiayi Wu , Tianfu Wang , Md Abu Bakr Siddique , Md Jahidul Islam , Cornelia Fermuller , Yiannis Aloimonos , Christopher A. Metzler

Estimating the 3D shape of an object from a single or multiple images has gained popularity thanks to the recent breakthroughs powered by deep learning. Most approaches regress the full object shape in a canonical pose, possibly…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Riccardo Spezialetti , David Joseph Tan , Alessio Tonioni , Keisuke Tateno , Federico Tombari

Reconstructing detailed 3D scenes from single-view images remains a challenging task due to limitations in existing approaches, which primarily focus on geometric shape recovery, overlooking object appearances and fine shape details. To…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Yixin Chen , Junfeng Ni , Nan Jiang , Yaowei Zhang , Yixin Zhu , Siyuan Huang

Pose estimation of 3D objects in monocular images is a fundamental and long-standing problem in computer vision. Existing deep learning approaches for 6D pose estimation typically rely on the assumption of availability of 3D object models…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Fu Li , Hao Yu , Ivan Shugurov , Benjamin Busam , Shaowu Yang , Slobodan Ilic

Single image 3D reconstruction is an important but challenging task that requires extensive knowledge of our natural world. Many existing methods solve this problem by optimizing a neural radiance field under the guidance of 2D diffusion…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Minghua Liu , Chao Xu , Haian Jin , Linghao Chen , Mukund Varma T , Zexiang Xu , Hao Su

Recent works on text-to-3d generation show that using only 2D diffusion supervision for 3D generation tends to produce results with inconsistent appearances (e.g., faces on the back view) and inaccurate shapes (e.g., animals with extra…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Cheng Chen , Xiaofeng Yang , Fan Yang , Chengzeng Feng , Zhoujie Fu , Chuan-Sheng Foo , Guosheng Lin , Fayao Liu

Current multi-view 3D reconstruction methods rely on accurate camera calibration and pose estimation, requiring complex and time-intensive pre-processing that hinders their practical deployment. To address this challenge, we introduce…

Graphics · Computer Science 2025-08-07 Haodong Zhu , Changbai Li , Yangyang Ren , Zichao Feng , Xuhui Liu , Hanlin Chen , Xiantong Zhen , Baochang Zhang

Estimating the pose of objects from images is a crucial task of 3D scene understanding, and recent approaches have shown promising results on very large benchmarks. However, these methods experience a significant performance drop when…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Tianfu Wang , Guosheng Hu , Hongguang Wang

Single-view 3D shape retrieval is a fundamental yet challenging task that is increasingly important with the growth of available 3D data. Existing approaches largely fall into two categories: those using contrastive learning to map point…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Jiaxin Shi , Guofeng Zhang , Wufei Ma , Naifu Liang , Adam Kortylewski , Alan Yuille

We introduce a novel, training-free system for reconstructing, understanding, and rendering 3D indoor scenes from a sparse set of unposed RGB images. Unlike traditional radiance field approaches that require dense views and per-scene…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Jiatong Xia , Lingqiao Liu

The paper studies planar surface reconstruction of indoor scenes from two views with unknown camera poses. While prior approaches have successfully created object-centric reconstructions of many scenes, they fail to exploit other…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Linyi Jin , Shengyi Qian , Andrew Owens , David F. Fouhey

Reconstructing an accurate 3D object model from a few image observations remains a challenging problem in computer vision. State-of-the-art approaches typically assume accurate camera poses as input, which could be difficult to obtain in…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Zhenpei Yang , Zhile Ren , Miguel Angel Bautista , Zaiwei Zhang , Qi Shan , Qixing Huang

This paper studies the challenging two-view 3D reconstruction in a rigorous sparse-view configuration, which is suffering from insufficient correspondences in the input image pairs for camera pose estimation. We present a novel Neural…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Bin Tan , Nan Xue , Tianfu Wu , Gui-Song Xia

3D human articulated pose recovery from monocular image sequences is very challenging due to the diverse appearances, viewpoints, occlusions, and also the human 3D pose is inherently ambiguous from the monocular imagery. It is thus critical…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Mude Lin , Liang Lin , Xiaodan Liang , Keze Wang , Hui Cheng

We propose a Pose-Free Large Reconstruction Model (PF-LRM) for reconstructing a 3D object from a few unposed images even with little visual overlap, while simultaneously estimating the relative camera poses in ~1.3 seconds on a single A100…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Peng Wang , Hao Tan , Sai Bi , Yinghao Xu , Fujun Luan , Kalyan Sunkavalli , Wenping Wang , Zexiang Xu , Kai Zhang

Decompositional reconstruction of 3D scenes, with complete shapes and detailed texture of all objects within, is intriguing for downstream applications but remains challenging, particularly with sparse views as input. Recent approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Junfeng Ni , Yu Liu , Ruijie Lu , Zirui Zhou , Song-Chun Zhu , Yixin Chen , Siyuan Huang

Unified image restoration is a significantly challenging task in low-level vision. Existing methods either make tailored designs for specific tasks, limiting their generalizability across various types of degradation, or rely on training…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Huaqiu Li , Yong Wang , Tongwen Huang , Hailang Huang , Haoqian Wang , Xiangxiang Chu

We introduce S2C-3D, a novel sparse-view 3D reconstruction framework for high-fidelity and complete scene reconstruction from as few as six to eight images. Our framework features three components: a specialized diffusion model for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Yiyang Shen , Yin Yang , Kun Zhou , Tianjia Shao

3D reconstruction of a scene from Synthetic Aperture Radar (SAR) images mainly relies on interferometric measurements, which involve strict constraints on the acquisition process. These last years, progress in deep learning has…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Emile Barbier--Renard , Florence Tupin , Nicolas Trouvé , Loïc Denis

This paper presents a new system to obtain dense object reconstructions along with 6-DoF poses from a single image. Geared towards high fidelity reconstruction, several recent approaches leverage implicit surface representations and deep…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Aniket Pokale , Aditya Aggarwal , K. Madhava Krishna