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Many object pose estimation algorithms rely on the analysis-by-synthesis framework which requires explicit representations of individual object instances. In this paper we combine a gradient-based fitting procedure with a parametric neural…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Xu Chen , Zijian Dong , Jie Song , Andreas Geiger , Otmar Hilliges

Camera localization aims to estimate 6 DoF camera poses from RGB images. Traditional methods detect and match interest points between a query image and a pre-built 3D model. Recent learning-based approaches encode scene structures into a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shitao Tang , Chengzhou Tang , Rui Huang , Siyu Zhu , Ping Tan

We devise a graph attention network-based approach for learning a scene triangle mesh representation in order to estimate an image camera position in a dynamic environment. Previous approaches built a scene-dependent model that explicitly…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Mohamed Amine Ouali , Mohamed Bouguessa , Riadh Ksantini

Vision-based regression tasks, such as hand pose estimation, have achieved higher accuracy and faster convergence through representation learning. However, existing representation learning methods often encounter the following issues: the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Kaiwen Ren , Lei Hu , Zhiheng Zhang , Yongjing Ye , Shihong Xia

Recovering camera poses from a set of images is a foundational task in 3D computer vision, which powers key applications such as 3D scene/object reconstructions. Classic methods often depend on feature correspondence, such as keypoints,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Hao Tang , Weiyao Wang , Pierre Gleize , Matt Feiszli

Human pose forecasting predicts future poses based on past observations, and has many significant applications in areas such as action recognition, autonomous driving or human-robot interaction. This paper evaluates a wide range of pose…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Daniel Bermuth , Alexander Poeppel , Wolfgang Reif

We consider the task of re-calibrating the 3D pose of a static surveillance camera, whose pose may change due to external forces, such as birds, wind, falling objects or earthquakes. Conventionally, camera pose estimation can be solved with…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Yan Xu , Vivek Roy , Kris Kitani

Multi-scene absolute pose regression addresses the demand for fast and memory-efficient camera pose estimation across various real-world environments. Nowadays, transformer-based model has been devised to regress the camera pose directly in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Miso Lee , Jihwan Kim , Jae-Pil Heo

In this work we present a novel approach to joint semantic localisation and scene understanding. Our work is motivated by the need for localisation algorithms which not only predict 6-DoF camera pose but also simultaneously recognise…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Ignas Budvytis , Marvin Teichmann , Tomas Vojir , Roberto Cipolla

In this paper, a computation efficient regression framework is presented for estimating the 6D pose of rigid objects from a single RGB-D image, which is applicable to handling symmetric objects. This framework is designed in a simple…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Ningkai Mo , Wanshui Gan , Naoto Yokoya , Shifeng Chen

Camera localization is a fundamental and key component of autonomous driving vehicles and mobile robots to localize themselves globally for further environment perception, path planning and motion control. Recently end-to-end approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Mi Tian , Qiong Nie , Hao Shen

This paper addresses the problem of 3D human pose estimation from a single image. We follow a standard two-step pipeline by first detecting the 2D position of the $N$ body joints, and then using these observations to infer 3D pose. For the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Francesc Moreno-Noguer

The regression of 3D Human Pose and Shape (HPS) from an image is becoming increasingly accurate. This makes the results useful for downstream tasks like human action recognition or 3D graphics. Yet, no regressor is perfect, and accuracy can…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Sai Kumar Dwivedi , Cordelia Schmid , Hongwei Yi , Michael J. Black , Dimitrios Tzionas

In this work, we propose HyperPose, which utilizes hyper-networks in absolute camera pose regressors. The inherent appearance variations in natural scenes, attributable to environmental conditions, perspective, and lighting, induce a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Ron Ferens , Yosi Keller

The Scene Representation Transformer (SRT) is a recent method to render novel views at interactive rates. Since SRT uses camera poses with respect to an arbitrarily chosen reference camera, it is not invariant to the order of the input…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Aleksandr Safin , Daniel Duckworth , Mehdi S. M. Sajjadi

With an aim to increase the capture range and accelerate the performance of state-of-the-art inter-subject and subject-to-template 3D registration, we propose deep learning-based methods that are trained to find the 3D position of…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Seyed Sadegh Mohseni Salehi , Shadab Khan , Deniz Erdogmus , Ali Gholipour

Landmark/pose estimation in single monocular images have received much effort in computer vision due to its important applications. It remains a challenging task when input images severe occlusions caused by, e.g., adverse camera views.…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Yu Chen , Chunhua Shen , Hao Chen , Xiu-Shen Wei , Lingqiao Liu , Jian Yang

This paper presents a new algorithm to estimate absolute camera pose given an axis of the camera's rotation matrix. Current algorithms solve the problem via algebraic solutions on limited input domains. This paper shows that the problem can…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Akshay Chandrasekhar

Accurate camera pose estimation result is essential for visual SLAM (VSLAM). This paper presents a novel pose correction method to improve the accuracy of the VSLAM system. Firstly, the relationship between the camera pose estimation error…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Zhaobing Kang , Wei Zou , Zheng Zhu

Absolute camera pose estimation is usually addressed by sequentially solving two distinct subproblems: First a feature matching problem that seeks to establish putative 2D-3D correspondences, and then a Perspective-n-Point problem that…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Hugo Germain , Vincent Lepetit , Guillaume Bourmaud