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Although a wide variety of deep neural networks for robust Visual Odometry (VO) can be found in the literature, they are still unable to solve the drift problem in long-term robot navigation. Thus, this paper aims to propose novel deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Yimin Lin , Zhaoxiang Liu , Jianfeng Huang , Chaopeng Wang , Guoguang Du , Jinqiang Bai , Shiguo Lian , Bill Huang

Object pose estimation is a fundamental task in 3D vision with applications in robotics, AR/VR, and scene understanding. We address the challenge of category-level 9-DoF pose estimation (6D pose + 3Dsize) from RGB-D input, without relying…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Rachit Agarwal , Abhishek Joshi , Sathish Chalasani , Woo Jin Kim

Monocular Visual Odometry (MVO) provides a cost-effective, real-time positioning solution for autonomous vehicles. However, MVO systems face the common issue of lacking inherent scale information from monocular cameras. Traditional methods…

Robotics · Computer Science 2025-02-28 Yufei Wei , Sha Lu , Wangtao Lu , Rong Xiong , Yue Wang

Accurate 6D object pose estimation is fundamental to robotic manipulation and grasping. Previous methods follow a local optimization approach which minimizes the distance between closest point pairs to handle the rotation ambiguity of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Meng Tian , Liang Pan , Marcelo H Ang , Gim Hee Lee

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

This paper proposes a new and efficient method to estimate 6-DoF ego-states: attitudes and positions in real time. The proposed method extract information of ego-states by observing a feature called "TROVE" (Three Rays and One VErtex).…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Yuance Liu , Michael Z. Q. Chen

Estimation of the human pose from a monocular camera has been an emerging research topic in the computer vision community with many applications. Recently, benefited from the deep learning technologies, a significant amount of research…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Wu Liu , Qian Bao , Yu Sun , Tao Mei

Existing deep learning based visual servoing approaches regress the relative camera pose between a pair of images. Therefore, they require a huge amount of training data and sometimes fine-tuning for adaptation to a novel scene.…

Robotics · Computer Science 2020-03-10 Y V S Harish , Harit Pandya , Ayush Gaud , Shreya Terupally , Sai Shankar , K. Madhava Krishna

Inferring the 6DoF pose of an object from a single RGB image is an important but challenging task, especially under heavy occlusion. While recent approaches improve upon the two stage approaches by training an end-to-end pipeline, they do…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Anshul Gupta , Joydeep Medhi , Aratrik Chattopadhyay , Vikram Gupta

Sparse-view camera pose estimation, which aims to estimate the 6-Degree-of-Freedom (6-DoF) poses from a limited number of images captured from different viewpoints, is a fundamental yet challenging problem in remote sensing applications.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Qingyu Xian , Weiqin Jiao , Hao Cheng , Berend Jan van der Zwaag , Yanqiu Huang

We present a direct method to calculate a 6DoF pose change of a monocular camera for mobile navigation. The calculated pose is estimated up to a constant unknown scale parameter that is kept constant over the entire reconstruction process.…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Darius Burschka , Elmar Mair

We address the visual relocalization problem of predicting the location and camera orientation or pose (6DOF) of the given input scene. We propose a method based on how humans determine their location using the visible landmarks. We define…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Soham Saha , Girish Varma , C. V. Jawahar

Monocular depth estimation has improved significantly in recent years, driven by increasingly powerful models and large-scale training data. Predicted depth is increasingly used as an input signal for downstream tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Viktor Kocur , Sithu Aung , Gabrielle Flood , Yaqing Ding , Lukas Bujnak , Torsten Sattler , Zuzana Kukelova

We present a robust and real-time monocular six degree of freedom visual relocalization system. We use a Bayesian convolutional neural network to regress the 6-DOF camera pose from a single RGB image. It is trained in an end-to-end manner…

Computer Vision and Pattern Recognition · Computer Science 2016-02-19 Alex Kendall , Roberto Cipolla

6DOF camera relocalization is an important component of autonomous driving and navigation. Deep learning has recently emerged as a promising technique to tackle this problem. In this paper, we present a novel relative geometry-aware Siamese…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Qing Li , Jiasong Zhu , Rui Cao , Ke Sun , Jonathan M. Garibaldi , Qingquan Li , Bozhi Liu , Guoping Qiu

This paper addresses the task of estimating the 6 degrees of freedom pose of a known 3D object from depth information represented by a point cloud. Deep features learned by convolutional neural networks from color information have been the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-27 Ge Gao , Mikko Lauri , Yulong Wang , Xiaolin Hu , Jianwei Zhang , Simone Frintrop

6D pose estimation of textureless objects is a valuable but challenging task for many robotic applications. In this work, we propose a framework to address this challenge using only RGB images acquired from multiple viewpoints. The core…

Robotics · Computer Science 2023-02-23 Jun Yang , Wenjie Xue , Sahar Ghavidel , Steven L. Waslander

Modern deep learning techniques that regress the relative camera pose between two images have difficulty dealing with challenging scenarios, such as large camera motions resulting in occlusions and significant changes in perspective that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Kefan Chen , Noah Snavely , Ameesh Makadia

We propose an accurate and interpretable fine-grained cross-view localization method that estimates the 3 Degrees of Freedom (DoF) pose of a ground-level image by matching its local features with a reference aerial image. Unlike prior…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zimin Xia , Chenghao Xu , Alexandre Alahi

Even though 3D face reconstruction has achieved impressive progress, most orthogonal projection-based face reconstruction methods can not achieve accurate and consistent reconstruction results when the face is very close to the camera due…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Jia Guo , Jinke Yu , Alexandros Lattas , Jiankang Deng