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Unsupervised contrastive learning for indoor-scene point clouds has achieved great successes. However, unsupervised learning point clouds in outdoor scenes remains challenging because previous methods need to reconstruct the whole scene and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Runjian Chen , Yao Mu , Runsen Xu , Wenqi Shao , Chenhan Jiang , Hang Xu , Zhenguo Li , Ping Luo

Unseen object pose estimation methods often rely on CAD models or multiple reference views, making the onboarding stage costly. To simplify reference acquisition, we aim to estimate the unseen object's pose through a single unposed RGB-D…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Xingyu Liu , Gu Wang , Ruida Zhang , Chenyangguang Zhang , Federico Tombari , Xiangyang Ji

The interest in matching non-rigidly deformed shapes represented as raw point clouds is rising due to the proliferation of low-cost 3D sensors. Yet, the task is challenging since point clouds are irregular and there is a lack of intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Huajian Zeng , Maolin Gao , Daniel Cremers

Directly regressing all 6 degrees-of-freedom (6DoF) for the object pose (e.g. the 3D rotation and translation) in a cluttered environment from a single RGB image is a challenging problem. While end-to-end methods have recently demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yan Di , Fabian Manhardt , Gu Wang , Xiangyang Ji , Nassir Navab , Federico Tombari

On-board estimation of the pose of an uncooperative target spacecraft is an essential task for future on-orbit servicing and close-proximity formation flying missions. However, two issues hinder reliable on-board monocular vision based pose…

Computer Vision and Pattern Recognition · Computer Science 2018-09-20 Sumant Sharma , Connor Beierle , Simone D'Amico

Object pose distribution estimation is crucial in robotics for better path planning and handling of symmetric objects. Recent distribution estimation approaches employ contrastive learning-based approaches by maximizing the likelihood of a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Shishir Reddy Vutukur , Rasmus Laurvig Haugaard , Junwen Huang , Benjamin Busam , Tolga Birdal

Camouflaged Object Detection (COD), the task of identifying objects concealed within their environments, has seen rapid growth due to its wide range of practical applications. A key step toward developing trustworthy COD systems is the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Ziyue Yang , Kehan Wang , Yuhang Ming , Yong Peng , Han Yang , Qiong Chen , Wanzeng Kong

Estimating the 6D pose of objects using only RGB images remains challenging because of problems such as occlusion and symmetries. It is also difficult to construct 3D models with precise texture without expert knowledge or specialized…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Kiru Park , Timothy Patten , Markus Vincze

The two-stage object pose estimation paradigm first detects semantic keypoints on the image and then estimates the 6D pose by minimizing reprojection errors. Despite performing well on standard benchmarks, existing techniques offer no…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Heng Yang , Marco Pavone

Geometric feature extraction is a crucial component of point cloud registration pipelines. Recent work has demonstrated how supervised learning can be leveraged to learn better and more compact 3D features. However, those approaches'…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Mohamed El Banani , Justin Johnson

For many robotic manipulation and contact tasks, it is crucial to accurately estimate uncertain object poses, for which certain geometry and sensor information are fused in some optimal fashion. Previous results for this problem primarily…

Robotics · Computer Science 2023-05-29 Jeongmin Lee , Minji Lee , Dongjun Lee

In pose estimation for seen objects, a prevalent pipeline involves using neural networks to predict dense 3D coordinates of the object surface on 2D images, which are then used to establish dense 2D-3D correspondences. However, current…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Yulin Wang , Mengting Hu , Hongli Li , Chen Luo

Existing camouflaged object detection (COD) methods rely heavily on large-scale datasets with pixel-wise annotations. However, due to the ambiguous boundary, annotating camouflage objects pixel-wisely is very time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Ruozhen He , Qihua Dong , Jiaying Lin , Rynson W. H. Lau

3D pose estimation from sparse multi-views is a critical task for numerous applications, including action recognition, sports analysis, and human-robot interaction. Optimization-based methods typically follow a two-stage pipeline, first…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Tony Danjun Wang , Tolga Birdal , Nassir Navab , Lennart Bastian

In this paper, we investigate visual-based camera re-localization with neural networks for robotics and autonomous vehicles applications. Our solution is a CNN-based algorithm which predicts camera pose (3D translation and 3D rotation)…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Arthur Moreau , Nathan Piasco , Dzmitry Tsishkou , Bogdan Stanciulescu , Arnaud de La Fortelle

We present a new generalizable NeRF method that is able to directly generalize to new unseen scenarios and perform novel view synthesis with as few as two source views. The key to our approach lies in the explicitly modeled correspondence…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Yuedong Chen , Haofei Xu , Qianyi Wu , Chuanxia Zheng , Tat-Jen Cham , Jianfei Cai

Correspondence identification (CoID) is an essential capability in multi-robot collaborative perception, which enables a group of robots to consistently refer to the same objects within their respective fields of view. In real-world…

Robotics · Computer Science 2025-02-18 Peng Gao , Williard Joshua Jose , Hao Zhang

Intrinsic image decomposition aims to estimate physically based rendering (PBR) parameters such as albedo, roughness, and metallicity from images. While recent methods achieve strong single-view predictions, applying them independently to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Alara Dirik , Stefanos Zafeiriou

Extracting point correspondences from two or more views of a scene is a fundamental computer vision problem with particular importance for relative camera pose estimation and structure-from-motion. Existing local feature matching…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Dominik A. Kloepfer , João F. Henriques , Dylan Campbell

With the success of deep learning based approaches in tackling challenging problems in computer vision, a wide range of deep architectures have recently been proposed for the task of visual odometry (VO) estimation. Most of these proposed…

Robotics · Computer Science 2018-04-16 Ganesh Iyer , J. Krishna Murthy , Gunshi Gupta , K. Madhava Krishna , Liam Paull