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Simultaneous Localization and Mapping (SLAM) presents a formidable challenge in robotics, involving the dynamic construction of a map while concurrently determining the precise location of the robotic agent within an unfamiliar environment.…

Artificial Intelligence · Computer Science 2024-02-21 Tianrui Liu , Changxin Xu , Yuxin Qiao , Chufeng Jiang , Jiqiang Yu

Real-time high-accuracy optical flow estimation is a crucial component in various applications, including localization and mapping in robotics, object tracking, and activity recognition in computer vision. While recent learning-based…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Zhiyong Zhang , Huaizu Jiang , Hanumant Singh

Visual Simultaneous Localization and Mapping (vSLAM) is a widely used technique in robotics and computer vision that enables a robot to create a map of an unfamiliar environment using a camera sensor while simultaneously tracking its…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Yasaman Haghighi , Suryansh Kumar , Jean-Philippe Thiran , Luc Van Gool

Existing underwater SLAM systems are difficult to work effectively in texture-sparse and geometrically degraded underwater environments, resulting in intermittent tracking and sparse mapping. Therefore, we present Water-DSLAM, a novel…

Robotics · Computer Science 2025-05-01 Yaming Ou , Junfeng Fan , Chao Zhou , Pengju Zhang , Zongyuan Shen , Yichen Fu , Xiaoyan Liu , Zengguang Hou

We present a dense-indirect SLAM system using external dense optical flows as input. We extend the recent probabilistic visual odometry model VOLDOR [Min et al. CVPR'20], by incorporating the use of geometric priors to 1) robustly bootstrap…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Zhixiang Min , Enrique Dunn

Real time outdoor navigation in highly dynamic environments is an crucial problem. The recent literature on real time static SLAM don't scale up to dynamic outdoor environments. Most of these methods assume moving objects as outliers or…

Computer Vision and Pattern Recognition · Computer Science 2016-08-04 N Dinesh Reddy , Iman Abbasnejad , Sheetal Reddy , Amit Kumar Mondal , Vindhya Devalla

The concept of continuous-time trajectory representation has brought increased accuracy and efficiency to multi-modal sensor fusion in modern SLAM. However, regardless of these advantages, its offline property caused by the requirement of…

Robotics · Computer Science 2018-03-06 Chanoh Park , Peyman Moghadam , Soohwan Kim , Alberto Elfes , Clinton Fookes , Sridha Sridharan

Conventional autonomous Unmanned Air Vehicle (abbr. UAV) autopilot systems use Global Navigation Satellite System (abbr. GNSS) signal for navigation. However, autopilot systems fail to navigate due to lost or jammed GNSS signal. To solve…

Robotics · Computer Science 2019-10-29 Rokas Jurevičius , Virginijus Marcinkevičius , Justinas Šeibokas

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…

Robotics · Computer Science 2020-09-24 Huajian Huang , Wen-Yan Lin , Siying Liu , Dong Zhang , Sai-Kit Yeung

Self-supervised monocular depth estimation enables robots to learn 3D perception from raw video streams. This scalable approach leverages projective geometry and ego-motion to learn via view synthesis, assuming the world is mostly static.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Vitor Guizilini , Kuan-Hui Lee , Rares Ambrus , Adrien Gaidon

Underwater monocular SLAM is a challenging problem with applications from autonomous underwater vehicles to marine archaeology. However, existing underwater SLAM methods struggle to produce maps with high-fidelity rendering. In this paper,…

Robotics · Computer Science 2026-04-07 Kangxu Wang , Shaofeng Zou , Chenxing Jiang , Yixiang Dai , Siang Chen , Shaojie Shen , Guijin Wang

Traditional Visual Simultaneous Localization and Mapping (vSLAM) systems focus solely on static scene structures, overlooking dynamic elements in the environment. Although effective for accurate visual odometry in complex scenarios, these…

Robotics · Computer Science 2025-11-24 Jesse Morris , Yiduo Wang , Mikolaj Kliniewski , Viorela Ila

LiDAR odometry can achieve accurate vehicle pose estimation for short driving range or in small-scale environments, but for long driving range or in large-scale environments, the accuracy deteriorates as a result of cumulative estimation…

Robotics · Computer Science 2023-03-16 Lizhou Liao , Chunyun Fu , Binbin Feng , Tian Su

The real-world deployment of fully autonomous mobile robots depends on a robust SLAM (Simultaneous Localization and Mapping) system, capable of handling dynamic environments, where objects are moving in front of the robot, and changing…

We present UrbanFly: an uncertainty-aware real-time planning framework for quadrotor navigation in urban high-rise environments. A core aspect of UrbanFly is its ability to robustly plan directly on the sparse point clouds generated by a…

Unsupervised optical flow methods typically lack reliable uncertainty estimation, limiting their robustness and interpretability. We propose U$^{2}$Flow, the first recurrent unsupervised framework that jointly estimates optical flow and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Xunpei Sun , Wenwei Lin , Yi Chang , Gang Chen

Significant attention has been attracted to deep learning-based depth estimates. Dynamic objects become the most hard problems in inter-frame-supervised depth estimates due to the uncertainty in adjacent frames. Thus, integrating optical…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Zhengyang Lu , Ying Chen

The process of simultaneously mapping the environment in three dimensional (3D) space and localizing a moving vehicle's pose (orientation and position) is termed Simultaneous Localization and Mapping (SLAM). SLAM is a core task in robotics…

Systems and Control · Electrical Eng. & Systems 2021-09-13 Trevor P. Drayton , Abdul A. Jaiyeola , Nazmul Hoque , Mikhayla Maurer , Hashim A. Hashim

Object SLAM introduces the concept of objects into Simultaneous Localization and Mapping (SLAM) and helps understand indoor scenes for mobile robots and object-level interactive applications. The state-of-art object SLAM systems face…

Robotics · Computer Science 2021-09-13 Ziwei Liao , Yutong Hu , Jiadong Zhang , Xianyu Qi , Xiaoyu Zhang , Wei Wang

Simultaneous Localization and Mapping (SLAM) is considered to be a fundamental capability for intelligent mobile robots. Over the past decades, many impressed SLAM systems have been developed and achieved good performance under certain…

Robotics · Computer Science 2019-02-19 Chao Yu , Zuxin Liu , Xinjun Liu , Fugui Xie , Yi Yang , Qi Wei , Qiao Fei
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