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Estimating metric relative camera pose from a pair of images is of great importance for 3D reconstruction and localisation. However, conventional two-view pose estimation methods are not metric, with camera translation known only up to a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yumin Li , Dylan Campbell

Conventional 3D human pose estimation relies on first detecting 2D body keypoints and then solving the 2D to 3D correspondence problem.Despite the promising results, this learning paradigm is highly dependent on the quality of the 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Jue Wang , Shaoli Huang , Xinchao Wang , Dacheng Tao

Standard Vision Transformers flatten 2D images into 1D sequences, disrupting the natural spatial topology. While Rotary Positional Embedding (RoPE) excels in 1D, it inherits this limitation, often treating spatially distant patches (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Yupu Yao , Bowen Yang

Global visual localization estimates the absolute pose of a camera using a single image, in a previously mapped area. Obtaining the pose from a single image enables many robotics and augmented/virtual reality applications. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Mohammad Altillawi , Shile Li , Sai Manoj Prakhya , Ziyuan Liu , Joan Serrat

Human has an incredible ability to effortlessly perceive the viewpoint difference between two images containing the same object, even when the viewpoint change is astonishingly vast with no co-visible regions in the images. This remarkable…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Yujing Sun , Caiyi Sun , Yuan Liu , Yuexin Ma , Siu Ming Yiu

Pose Graph Optimization (PGO) is the problem of estimating a set of poses from pairwise relative measurements. PGO is a nonconvex problem, and currently no known technique can guarantee the computation of an optimal solution. In this paper,…

Robotics · Computer Science 2015-05-14 Giuseppe Calafiore , Luca Carlone , Frank Dellaert

Estimating the 6D pose of unseen objects from monocular RGB images remains a challenging problem, especially due to the lack of prior object-specific knowledge. To tackle this issue, we propose RefPose, an innovative approach to object pose…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Jaeguk Kim , Jaewoo Park , Keuntek Lee , Nam Ik Cho

Reconstructing 3D geometry and appearance from a sparse set of fixed cameras is a foundational task with broad applications, yet it remains fundamentally constrained by the limited viewpoints. We show that this bound can be broken by…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Ryosuke Hirai , Kohei Yamashita , Antoine Guédon , Ryo Kawahara , Vincent Lepetit , Ko Nishino

Recently, multiple formulations of vision problems as probabilistic inversions of generative models based on computer graphics have been proposed. However, applications to 3D perception from natural images have focused on low-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2014-07-08 Tejas D. Kulkarni , Vikash K. Mansinghka , Pushmeet Kohli , Joshua B. Tenenbaum

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

Object pose recovery has gained increasing attention in the computer vision field as it has become an important problem in rapidly evolving technological areas related to autonomous driving, robotics, and augmented reality. Existing…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Caner Sahin , Guillermo Garcia-Hernando , Juil Sock , Tae-Kyun Kim

3D face reconstruction is a fundamental Computer Vision problem of extraordinary difficulty. Current systems often assume the availability of multiple facial images (sometimes from the same subject) as input, and must address a number of…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Aaron S. Jackson , Adrian Bulat , Vasileios Argyriou , Georgios Tzimiropoulos

Estimating 3D from 2D is one of the central tasks in computer vision. In this work, we consider the monocular setting, i.e. single-view input, for 3D human pose estimation (HPE). Here, the task is to predict a 3D point set of human skeletal…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Pavlo Melnyk , Cuong Le , Urs Waldmann , Per-Erik Forssén , Bastian Wandt

Understanding the geometry and pose of objects in 2D images is a fundamental necessity for a wide range of real world applications. Driven by deep neural networks, recent methods have brought significant improvements to object pose…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Jogendra Nath Kundu , Rahul M. V. , Aditya Ganeshan , R. Venkatesh Babu

Visual localization is the task of accurate camera pose estimation in a known scene. It is a key problem in computer vision and robotics, with applications including self-driving cars, Structure-from-Motion, SLAM, and Mixed Reality.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Torsten Sattler , Qunjie Zhou , Marc Pollefeys , Laura Leal-Taixe

The estimation of the relative pose of two camera views is a fundamental problem in computer vision. Kneip et al. proposed to solve this problem by introducing the normal epipolar constraint (NEC). However, their approach does not take into…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Dominik Muhle , Lukas Koestler , Nikolaus Demmel , Florian Bernard , Daniel Cremers

We address the challenges in estimating 3D human poses from multiple views under occlusion and with limited overlapping views. We approach multi-view, single-person 3D human pose reconstruction as a regression problem and propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Olivier Moliner , Sangxia Huang , Kalle Åström

Camera pose estimation is a key step in standard 3D reconstruction pipelines that operate on a dense set of images of a single object or scene. However, methods for pose estimation often fail when only a few images are available because…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Samarth Sinha , Jason Y. Zhang , Andrea Tagliasacchi , Igor Gilitschenski , David B. Lindell

Estimating camera pose from a single image is a fundamental problem in computer vision. Existing methods for solving this task fall into two distinct categories, which we refer to as direct and indirect. Direct methods, such as PoseNet,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Hunter Blanton , Scott Workman , Nathan Jacobs

Relative pose estimation is crucial for various computer vision applications, including Robotic and Autonomous Driving. Current methods primarily depend on selecting and matching feature points prone to incorrect matches, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Zherong Zhang , Chunyu Lin , Shujuan Huang , Shangrong Yang , Yao Zhao