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Simultaneous Localization and Mapping (SLAM) is a critical task for autonomous navigation. However, due to the computational complexity of SLAM algorithms, it is very difficult to achieve real-time implementation on low-power platforms.We…

信号处理 · 电气工程与系统科学 2019-06-13 Runze Liu , Jianlei Yang , Yiran Chen , Weisheng Zhao

In recent years, visual SLAM has achieved great progress and development, but in complex scenes, especially rotating scenes, the error of mapping will increase significantly, and the slam system is easy to lose track. In this article, we…

机器人学 · 计算机科学 2021-10-07 Zhenkun Zhu , Jikai Wang

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…

We present ORB-SLAM2 a complete SLAM system for monocular, stereo and RGB-D cameras, including map reuse, loop closing and relocalization capabilities. The system works in real-time on standard CPUs in a wide variety of environments from…

机器人学 · 计算机科学 2020-07-24 Raul Mur-Artal , Juan D. Tardos

Visual odometry (VO) and SLAM have been using multi-view geometry via local structure from motion for decades. These methods have a slight disadvantage in challenging scenarios such as low-texture images, dynamic scenarios, etc. Meanwhile,…

计算机视觉与模式识别 · 计算机科学 2023-09-11 Akankshya Kar , Sajal Maheshwari , Shamit Lal , Vinay Sameer Raja Kad

The paper focuses on the algorithm for improving the quality of 3D reconstruction and segmentation in DSP-SLAM by enhancing the RGB image quality. SharpSLAM algorithm developed by us aims to decrease the influence of high dynamic motion on…

Multi-camera SLAM systems offer a plethora of advantages, primarily stemming from their capacity to amalgamate information from a broader field of view, thereby resulting in heightened robustness and improved localization accuracy. In this…

机器人学 · 计算机科学 2024-04-02 Han Song , Cong Liu , Huafeng Dai

Moving objects in scenes are still a severe challenge for the SLAM system. Many efforts have tried to remove the motion regions in the images by detecting moving objects. In this way, the keypoints belonging to motion regions will be…

计算机视觉与模式识别 · 计算机科学 2020-10-15 Xudong Lv , Boya Wang , Dong Ye , Shuo Wang

We propose a novel angular velocity estimation method to increase the robustness of Simultaneous Localization And Mapping (SLAM) algorithms against gyroscope saturations induced by aggressive motions. Field robotics expose robots to various…

When fine-tuning zero-shot models like CLIP, our desideratum is for the fine-tuned model to excel in both in-distribution (ID) and out-of-distribution (OOD). Recently, ensemble-based models (ESM) have been shown to offer significant…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Beier Zhu , Jiequan Cui , Hanwang Zhang

The fusion of camera sensor and inertial data is a leading method for ego-motion tracking in autonomous and smart devices. State estimation techniques that rely on non-linear filtering are a strong paradigm for solving the associated…

机器人学 · 计算机科学 2022-05-30 Arno Solin , Rui Li , Andrea Pilzer

We propose a novel feature re-identification method for real-time visual-inertial SLAM. The front-end module of the state-of-the-art visual-inertial SLAM methods (e.g. visual feature extraction and matching schemes) relies on feature tracks…

计算机视觉与模式识别 · 计算机科学 2021-03-01 Xiongfeng Peng , Zhihua Liu , Qiang Wang , Yun-Tae Kim , Myungjae Jeon

Previous attempts to integrate Neural Radiance Fields (NeRF) into the Simultaneous Localization and Mapping (SLAM) framework either rely on the assumption of static scenes or require the ground truth camera poses, which impedes their…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Chengyao Duan , Zhiliu Yang

Robust SLAM in large-scale environments requires fault resilience and awareness at multiple stages, from sensing and odometry estimation to loop closure. In this work, we present TBV (Trust But Verify) Radar SLAM, a method for radar SLAM…

机器人学 · 计算机科学 2023-04-17 Daniel Adolfsson , Mattias Karlsson , Vladimír Kubelka , Martin Magnusson , Henrik Andreasson

We propose a visual SLAM method by predicting and updating line flows that represent sequential 2D projections of 3D line segments. While feature-based SLAM methods have achieved excellent results, they still face problems in challenging…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Qiuyuan Wang , Zike Yan , Junqiu Wang , Fei Xue , Wei Ma , Hongbin Zha

Reliability-based optimization (RBO) is crucial for identifying optimal risk-informed decisions for designing and operating engineering systems. However, its computation remains challenging as it requires a concurrent task of optimization…

最优化与控制 · 数学 2022-10-10 Ji-Eun Byun , Welington de Oliveira , Johannes O. Royset

In this paper, we present BAMF-SLAM, a novel multi-fisheye visual-inertial SLAM system that utilizes Bundle Adjustment (BA) and recurrent field transforms (RFT) to achieve accurate and robust state estimation in challenging scenarios.…

机器人学 · 计算机科学 2025-08-06 Wei Zhang , Sen Wang , Xingliang Dong , Rongwei Guo , Norbert Haala

To accomplish task efficiently in a multiple robots system, a problem that has to be addressed is Simultaneous Localization and Mapping (SLAM). LiDAR (Light Detection and Ranging) has been used for many SLAM solutions due to its superb…

Recently there has been a growing interest in category-level object pose and size estimation, and prevailing methods commonly rely on single view RGB-D images. However, one disadvantage of such methods is that they require accurate depth…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Jiaqi Yang , Yucong Chen , Xiangting Meng , Chenxin Yan , Min Li , Ran Cheng , Lige Liu , Tao Sun , Laurent Kneip

Simultaneous localisation and mapping (SLAM) play a vital role in autonomous robotics. Robotic platforms are often resource-constrained, and this limitation motivates resource-efficient SLAM implementations. While sparse visual SLAM…

机器人学 · 计算机科学 2023-07-06 Christiaan J. Müller , Corné E. van Daalen