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Large Reconstruction Models have made significant strides in the realm of automated 3D content generation from single or multiple input images. Despite their success, these models often produce 3D meshes with geometric inaccuracies,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Ruikai Cui , Xibin Song , Weixuan Sun , Senbo Wang , Weizhe Liu , Shenzhou Chen , Taizhang Shang , Yang Li , Nick Barnes , Hongdong Li , Pan Ji

We present a novel 3D mapping method leveraging the recent progress in neural implicit representation for 3D reconstruction. Most existing state-of-the-art neural implicit representation methods are limited to object-level reconstructions…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Stefan Lionar , Lukas Schmid , Cesar Cadena , Roland Siegwart , Andrei Cramariuc

3D object detection and dense depth estimation are one of the most vital tasks in autonomous driving. Multiple sensor modalities can jointly attribute towards better robot perception, and to that end, we introduce a method for jointly…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Shubham Shrivastava

Learning effective multi-modal 3D representations of objects is essential for numerous applications, such as augmented reality and robotics. Existing methods often rely on task-specific embeddings that are tailored either for semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Gaia Di Lorenzo , Federico Tombari , Marc Pollefeys , Daniel Barath

Cross-modal 3D retrieval is a critical yet challenging task, aiming to achieve bi-directional retrieval between 3D and text modalities. Current methods predominantly rely on a certain 3D representation (e.g., point cloud), with few…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Junlong Ren , Hao Wang

Generative reconstruction methods compute the 3D configuration (such as pose and/or geometry) of a shape by optimizing the overlap of the projected 3D shape model with images. Proper handling of occlusions is a big challenge, since the…

Computer Vision and Pattern Recognition · Computer Science 2016-02-12 Helge Rhodin , Nadia Robertini , Christian Richardt , Hans-Peter Seidel , Christian Theobalt

Inspired by the recent success of methods that employ shape priors to achieve robust 3D reconstructions, we propose a novel recurrent neural network architecture that we call the 3D Recurrent Reconstruction Neural Network (3D-R2N2). The…

Computer Vision and Pattern Recognition · Computer Science 2016-04-05 Christopher B. Choy , Danfei Xu , JunYoung Gwak , Kevin Chen , Silvio Savarese

The 3D reconstruction of simultaneous localization and mapping (SLAM) is an important topic in the field for transport systems such as drones, service robots and mobile AR/VR devices. Compared to a point cloud representation, the 3D…

Robotics · Computer Science 2023-09-12 Quentin Picard , Stephane Chevobbe , Mehdi Darouich , Jean-Yves Didier

Despite significant progress in monocular depth estimation in the wild, recent state-of-the-art methods cannot be used to recover accurate 3D scene shape due to an unknown depth shift induced by shift-invariant reconstruction losses used in…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Wei Yin , Jianming Zhang , Oliver Wang , Simon Niklaus , Long Mai , Simon Chen , Chunhua Shen

Our perceptions are guided both by the bottom-up information entering our eyes, as well as our top-down expectations of what we will see. Although bottom-up visual processing has been extensively studied, comparatively little is known about…

Computer Vision and Pattern Recognition · Computer Science 2014-11-20 Michelle R. Greene , Abraham P. Botros , Diane M. Beck , Li Fei-Fei

Recently, arbitrary-scale point cloud upsampling mechanism became increasingly popular due to its efficiency and convenience for practical applications. To achieve this, most previous approaches formulate it as a problem of surface…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Hang Du , Xuejun Yan , Jingjing Wang , Di Xie , Shiliang Pu

The task of vision-based 3D occupancy prediction aims to reconstruct 3D geometry and estimate its semantic classes from 2D color images, where the 2D-to-3D view transformation is an indispensable step. Most previous methods conduct forward…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Yuan Wu , Zhiqiang Yan , Zhengxue Wang , Xiang Li , Le Hui , Jian Yang

Solving image-to-3D from a single view is an ill-posed problem, and current neural reconstruction methods addressing it through diffusion models still rely on scene-specific optimization, constraining their generalization capability. To…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Christian Simon , Sen He , Juan-Manuel Perez-Rua , Mengmeng Xu , Amine Benhalloum , Tao Xiang

3D reconstruction from a single-RGB image in unconstrained real-world scenarios presents numerous challenges due to the inherent diversity and complexity of objects and environments. In this paper, we introduce Anything-3D, a methodical…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Qiuhong Shen , Xingyi Yang , Xinchao Wang

This article presents a mathematical framework to simultaneously tackle the problems of 3D reconstruction, pose estimation and object classification, from a single 2D image. In sharp contrast with state of the art methods that rely…

Computer Vision and Pattern Recognition · Computer Science 2011-09-28 Diego Rother , Siddharth Mahendran , René Vidal

Learning 3D scene geometry and semantics from images is a core challenge in computer vision and a key capability for autonomous driving. Since large-scale 3D annotation is prohibitively expensive, recent work explores self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Adam Lilja , Ji Lan , Junsheng Fu , Lars Hammarstrand

We introduce UPose3D, a novel approach for multi-view 3D human pose estimation, addressing challenges in accuracy and scalability. Our method advances existing pose estimation frameworks by improving robustness and flexibility without…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Vandad Davoodnia , Saeed Ghorbani , Marc-André Carbonneau , Alexandre Messier , Ali Etemad

Multi-view implicit scene reconstruction methods have become increasingly popular due to their ability to represent complex scene details. Recent efforts have been devoted to improving the representation of input information and to reducing…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Edward J. Smith , Michal Drozdzal , Derek Nowrouzezahrai , David Meger , Adriana Romero-Soriano

Implicit neural representations have shown compelling results in offline 3D reconstruction and also recently demonstrated the potential for online SLAM systems. However, applying them to autonomous 3D reconstruction, where a robot is…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Yunlong Ran , Jing Zeng , Shibo He , Lincheng Li , Yingfeng Chen , Gimhee Lee , Jiming Chen , Qi Ye

We present a 3D-aware one-shot head reenactment method based on a fully volumetric neural disentanglement framework for source appearance and driver expressions. Our method is real-time and produces high-fidelity and view-consistent output,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Phong Tran , Egor Zakharov , Long-Nhat Ho , Anh Tuan Tran , Liwen Hu , Hao Li
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