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相关论文: Partial Hierarchical Pose Graph Optimization for S…

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SLAM (Simultaneous Localization And Mapping) seeks to provide a moving agent with real-time self-localization. To achieve real-time speed, SLAM incrementally propagates position estimates. This makes SLAM fast but also makes it vulnerable…

机器人学 · 计算机科学 2020-09-24 Huajian Huang , Wen-Yan Lin , Siying Liu , Dong Zhang , Sai-Kit Yeung

We propose a novel approach for fast and accurate stereo visual Simultaneous Localization and Mapping (SLAM) independent of feature detection and matching. We extend monocular Direct Sparse Odometry (DSO) to a stereo system by optimizing…

机器人学 · 计算机科学 2021-12-06 Jiawei Mo , Md Jahidul Islam , Junaed Sattar

This paper presents the first certifiably correct algorithm for distributed pose-graph optimization (PGO), the backbone of modern collaborative simultaneous localization and mapping (CSLAM) and camera network localization (CNL) systems. Our…

最优化与控制 · 数学 2021-05-20 Yulun Tian , Kasra Khosoussi , David M. Rosen , Jonathan P. How

Initialization is essential to monocular Simultaneous Localization and Mapping (SLAM) problems. This paper focuses on a novel initialization method for monocular SLAM based on planar features. The algorithm starts by homography estimation…

机器人学 · 计算机科学 2020-05-26 Sicong Du , Hengkai Guo , Yao Chen , Yilun Lin , Xiangbing Meng , Linfu Wen , Fei-Yue Wang

This paper considers the collaborative graph exploration problem in GPS-denied environments, where a group of robots are required to cover a graph environment while maintaining reliable pose estimations in collaborative simultaneous…

机器人学 · 计算机科学 2024-07-02 Ruofei Bai , Shenghai Yuan , Hongliang Guo , Pengyu Yin , Wei-Yun Yau , Lihua Xie

Recent 2D-to-3D human pose estimation works tend to utilize the graph structure formed by the topology of the human skeleton. However, we argue that this skeletal topology is too sparse to reflect the body structure and suffer from serious…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Han Li , Bowen Shi , Wenrui Dai , Yabo Chen , Botao Wang , Yu Sun , Min Guo , Chenlin Li , Junni Zou , Hongkai Xiong

Operating in previously visited environments is becoming increasingly crucial for autonomous systems, with direct applications in autonomous driving, surveying, and warehouse or household robotics. This repeated exposure to observing the…

机器人学 · 计算机科学 2026-02-20 Lorenzo Montano-Olivan , Julio A. Placed , Luis Montano , Maria T. Lazaro

Multi-person pose estimation is challenging because it localizes body keypoints for multiple persons simultaneously. Previous methods can be divided into two streams, i.e. top-down and bottom-up methods. The top-down methods localize…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Sheng Jin , Wentao Liu , Enze Xie , Wenhai Wang , Chen Qian , Wanli Ouyang , Ping Luo

In commercial autonomous service robots with several form factors, simultaneous localization and mapping (SLAM) is an essential technology for providing proper services such as cleaning and guidance. Such robots require SLAM algorithms…

机器人学 · 计算机科学 2024-07-01 DongKi Noh , Hyungtae Lim , Gyuho Eoh , Duckyu Choi , Jeongsik Choi , Hyunjun Lim , SeungMin Baek , Hyun Myung

Pose graph optimization (PGO) is fundamental to robot perception and navigation systems, serving as the mathematical backbone for solving simultaneous localization and mapping (SLAM). Existing solvers suffer from polynomial growth in…

最优化与控制 · 数学 2026-01-23 Xin Chen , Chunfeng Cui , Deren Han , Liqun Qi

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,…

机器人学 · 计算机科学 2015-05-14 Giuseppe Calafiore , Luca Carlone , Frank Dellaert

Deploying autonomous robots capable of exploring unknown environments has long been a topic of great relevance to the robotics community. In this work, we take a further step in that direction by presenting an open-source active visual SLAM…

机器人学 · 计算机科学 2022-09-09 Julio A. Placed , Juan J. Gómez Rodríguez , Juan D. Tardós , José A. Castellanos

Distributed optimization aims to leverage the local computation and communication capabilities of each agent to achieve a desired global objective. This paper addresses the distributed pose graph optimization (PGO) problem under non-convex…

系统与控制 · 电气工程与系统科学 2025-03-11 Zeinab Ebrahimi , Mohammad Deghat

In this paper, we present an evolved version of Situational Graphs, which jointly models in a single optimizable factor graph (1) a pose graph, as a set of robot keyframes comprising associated measurements and robot poses, and (2) a 3D…

机器人学 · 计算机科学 2023-05-29 Hriday Bavle , Jose Luis Sanchez-Lopez , Muhammad Shaheer , Javier Civera , Holger Voos

In this paper, we present a motion planning framework for multi-modal vehicle dynamics. Our proposed algorithm employs transcription of the optimization objective function, vehicle dynamics, and state and control constraints into sparse…

机器人学 · 计算机科学 2021-07-07 L. Lao Beyer , N. Balabanska , E. Tal , S. Karaman

Simultaneous localization and mapping (SLAM) in slowly varying scenes is important for long-term robot task completion. Failing to detect scene changes may lead to inaccurate maps and, ultimately, lost robots. Classical SLAM algorithms…

This paper presents a semantic planar SLAM system that improves pose estimation and mapping using cues from an instance planar segmentation network. While the mainstream approaches are using RGB-D sensors, employing a monocular camera with…

计算机视觉与模式识别 · 计算机科学 2022-06-23 Fangwen Shu , Yaxu Xie , Jason Rambach , Alain Pagani , Didier Stricker

We present a real-time semantic mapping approach for mobile vision systems with a 2D to 3D object detection pipeline and rapid data association for generated landmarks. Besides the semantic map enrichment the associated detections are…

机器人学 · 计算机科学 2022-03-25 Thorsten Hempel , Ayoub Al-Hamadi

Creating mobile robots which are able to find and manipulate objects in large environments is an active topic of research. These robots not only need to be capable of searching for specific objects but also to estimate their poses often…

机器人学 · 计算机科学 2022-03-09 Jascha Hellwig , Mark Baierl , Joao Carvalho , Julen Urain , Jan Peters

Multilevel strategies are an integral part of many image registration algorithms. These strategies are very well-known for avoiding undesirable local minima, providing an outstanding initial guess, and reducing overall computation time.…

信号处理 · 电气工程与系统科学 2020-01-22 Hari Om Aggrawal , Jan Modersitzki