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Unsupervised Learning based monocular visual odometry (VO) has lately drawn significant attention for its potential in label-free leaning ability and robustness to camera parameters and environmental variations. However, partially due to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-18 Yang Li , Yoshitaka Ushiku , Tatsuya Harada

Global localization of a mobile robot using planar surface segments extracted from depth images is considered. The robot's environment is represented by a topological map consisting of local models, each representing a particular location…

Computer Vision and Pattern Recognition · Computer Science 2013-10-02 Robert Cupec , Emmanuel Karlo Nyarko , Damir Filko , Andrej Kitanov , Ivan Petrović

Tracking locations is practical and speditive with smartphones, as they are omnipresent devices, relatively cheap, and have the necessary sensors for positioning and networking integrated in the same box. Nowadays recent models have GNSS…

Computers and Society · Computer Science 2022-01-20 Francesco Pirotti , Alberto Guarnieri , Marco Piragnolo , Marco Boscaro , Raffaele Cavalli

In this paper we present an extension of Direct Sparse Odometry (DSO) to a monocular visual SLAM system with loop closure detection and pose-graph optimization (LDSO). As a direct technique, DSO can utilize any image pixel with sufficient…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Xiang Gao , Rui Wang , Nikolaus Demmel , Daniel Cremers

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

Visual localization has traditionally been formulated as a pair-wise pose regression problem. Existing approaches mainly estimate relative poses between two images and employ a late-fusion strategy to obtain absolute pose estimates.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Tianchen Deng , Wenhua Wu , Kunzhen Wu , Guangming Wang , Siting Zhu , Shenghai Yuan , Xun Chen , Guole Shen , Zhe Liu , Hesheng Wang

The ability to recognize previously mapped locations is an essential feature for autonomous systems. Unstructured planetary-like environments pose a major challenge to these systems due to the similarity of the terrain. As a result, the…

3D Gaussian Splatting (3DGS) has gained significant attention for its application in dense Simultaneous Localization and Mapping (SLAM), enabling real-time rendering and high-fidelity mapping. However, existing 3DGS-based SLAM methods often…

Robotics · Computer Science 2024-09-18 Ziheng Xu , Qingfeng Li , Chen Chen , Xuefeng Liu , Jianwei Niu

Loop closure detection (LCD) is an indispensable part of simultaneous localization and mapping systems (SLAM); it enables robots to produce a consistent map by recognizing previously visited places. When robots operate over extended…

Robotics · Computer Science 2017-04-18 Dongdong Bai , Chaoqun Wang , Bo Zhang , Xiaodong Yi , Xuejun Yang

Robotic applications are continuously striving towards higher levels of autonomy. To achieve that goal, a highly robust and accurate state estimation is indispensable. Combining visual and inertial sensor modalities has proven to yield…

Robotics · Computer Science 2022-08-02 Simon Boche , Xingxing Zuo , Simon Schaefer , Stefan Leutenegger

Mobile robots rely on odometry to navigate through areas where localization fails. Visual odometry (VO) is a common solution for obtaining robust and consistent relative motion estimates of the vehicle frame. Contrarily, Global Positioning…

Robotics · Computer Science 2021-06-09 Benjamin Congram , Timothy D. Barfoot

Globally localizing in a given map is a crucial ability for robots to perform a wide range of autonomous navigation tasks. This paper presents OneShot - a global localization algorithm that uses only a single 3D LiDAR scan at a time, while…

Robotics · Computer Science 2020-04-01 Sebastian Ratz , Marcin Dymczyk , Roland Siegwart , Renaud Dubé

Navigation of a mobile robot is conditioned on the knowledge of its pose. In observer-based localisation configurations its initial pose may not be knowable in advance, leading to the need of its estimation. Solutions to the problem of…

Robotics · Computer Science 2024-07-08 Alexandros Filotheou

Commercial off-the-shelf (COTS) Global Navigation Satellite System (GNSS) receivers face significant limitations under high-dynamic conditions, particularly in high-acceleration environments such as those experienced by launch vehicles.…

Signal Processing · Electrical Eng. & Systems 2025-10-28 Laura Train , Rodrigo Castellanos , Miguel Gómez-López

The real-world deployment of an autonomous driving system requires its components to run on-board and in real-time, including the motion prediction module that predicts the future trajectories of surrounding traffic participants. Existing…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Zhejun Zhang , Alexander Liniger , Christos Sakaridis , Fisher Yu , Luc Van Gool

Tensegrity robots, which are composed of compressive elements (rods) and flexible tensile elements (e.g., cables), have a variety of advantages, including flexibility, low weight, and resistance to mechanical impact. Nevertheless, the…

Traffic forecasting is a key task in the field of Intelligent Transportation Systems. Recent research on traffic forecasting has mainly focused on combining graph neural networks (GNNs) with other models. However, GNNs only consider…

Artificial Intelligence · Computer Science 2026-04-21 Xiao Wang , Shun-Ren Yang

In this paper, the generalized regression neural network is used to predict the GNSS position time series. Using the IGS 24-hour final solution data for Bad Hamburg permanent GNSS station in Germany, it is shown that the larger the training…

Signal Processing · Electrical Eng. & Systems 2020-05-25 M. Kiani

Localization in topological maps is essential for image-based navigation using an RGB camera. Localization using only one camera can be challenging in medium-to-large-sized environments because similar-looking images are often observed…

Robotics · Computer Science 2022-04-29 Takahiro Niwa , Shun Taguchi , Noriaki Hirose

Reliable object grasping is one of the fundamental tasks in robotics. However, determining grasping pose based on single-image input has long been a challenge due to limited visual information and the complexity of real-world objects. In…

Robotics · Computer Science 2025-05-21 Yiming Li , Hanchi Ren , Yue Yang , Jingjing Deng , Xianghua Xie
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