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Recent advances in Vision-and-Language Navigation in Continuous Environments (VLN-CE) have leveraged multimodal large language models (MLLMs) to achieve zero-shot navigation. However, existing methods often rely on panoramic observations…

Robotics · Computer Science 2025-11-04 Xiangyu Shi , Zerui Li , Yanyuan Qiao , Qi Wu

Many modern simultaneous localization and mapping (SLAM) techniques rely on sparse landmark-based maps due to their real-time performance. However, these techniques frequently assert that these landmarks are fixed in position over time,…

Robotics · Computer Science 2020-08-04 Samuel Bateman , Kyle Harlow , Christoffer Heckman

Object-goal navigation (ObjNav) tasks an agent with navigating to the location of a specific object in an unseen environment. Embodied agents equipped with large language models (LLMs) and online constructed navigation maps can perform…

Robotics · Computer Science 2026-03-18 Zebin Yang , Sunjian Zheng , Tong Xie , Tianshi Xu , Bo Yu , Fan Wang , Jie Tang , Shaoshan Liu , Meng Li

In recent decades, visual simultaneous localization and mapping (vSLAM) has gained significant interest in both academia and industry. It estimates camera motion and reconstructs the environment concurrently using visual sensors on a moving…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Kunping Huang , Sen Zhang , Jing Zhang , Dacheng Tao

We proposed an end-to-end deep learning-based simultaneous localization and mapping (SLAM) system following conventional visual odometry (VO) pipelines. The proposed method completes the SLAM framework by including tracking, mapping, and…

Robotics · Computer Science 2019-05-10 Youngji Kim , Ayoung Kim

In this paper, we present an efficient visual SLAM system designed to tackle both short-term and long-term illumination challenges. Our system adopts a hybrid approach that combines deep learning techniques for feature detection and…

Robotics · Computer Science 2025-02-28 Kuan Xu , Yuefan Hao , Shenghai Yuan , Chen Wang , Lihua Xie

There has been extensive research on visual localization and odometry for autonomous robots and virtual reality during the past decades. Traditionally, this problem has been solved with the help of expensive sensors, such as lidars.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Ali Samadzadeh , Ahmad Nickabadi

A critical use case of SLAM for mobile assistive robots is to support localization during a navigation-based task. Current SLAM benchmarks overlook the significance of repeatability (precision), despite its importance in real-world…

Robotics · Computer Science 2025-08-08 Yanwei Du , Shiyu Feng , Carlton G. Cort , Patricio A. Vela

Navigation applications relying on the Global Navigation Satellite System (GNSS) are limited in indoor environments and GNSS-denied outdoor terrains such as dense urban or forests. In this paper, we present a novel accurate, robust and…

Robotics · Computer Science 2019-12-04 Qin Shi , Xiaowei Cui , Wei Li , Yu Xia , Mingquan Lu

Simultaneous localization and mapping (SLAM) are essential in numerous robotics applications, such as autonomous navigation. Traditional SLAM approaches infer the metric state of the robot along with a metric map of the environment. While…

Robotics · Computer Science 2023-02-20 Roee Mor , Vadim Indelman

Landmark localization in images and videos is a classic problem solved in various ways. Nowadays, with deep networks prevailing throughout machine learning, there are revamped interests in pushing facial landmark detection technologies to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Joseph P Robinson , Yuncheng Li , Ning Zhang , Yun Fu , and Sergey Tulyakov

We present a novel spectral learning algorithm for simultaneous localization and mapping (SLAM) from range data with known correspondences. This algorithm is an instance of a general spectral system identification framework, from which it…

Machine Learning · Computer Science 2012-07-12 Byron Boots , Geoffrey J. Gordon

Path planning algorithms for unmanned aerial or ground vehicles, in many surveillance applications, rely on Global Positioning System (GPS) information for localization. However, disruption of GPS signals, by intention or otherwise, can…

Optimization and Control · Mathematics 2018-07-12 Kaarthik Sundar , Shriram Srinivasan , Sohum Misra , Sivakumar Rathinam , Rajnikant Sharma

Visual localization is a core technology for augmented reality and autonomous navigation. Recent methods combine the efficient rendering of 3D Gaussian Splatting (3DGS) with feature-based localization. These methods rely on direct matching…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Yingdong Gu , Shaocheng Yan , Zhenjun Zhao , Yuan Kou , Jianxin Luo , Pengcheng Shi , Jiayuan Li

Localization of a radio frequency (RF) signal source has various use cases, ranging from search and rescue, identification and deactivation of jammers, and tracking hostile activity near borders or on the battlefield. The use of unmanned…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Hyeokjun Kwon , Ismail Guvenc

Map representations learned by expert demonstrations have shown promising research value. However, the field of visual navigation still faces challenges due to the lack of real-world human-navigation datasets that can support efficient,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Faith Johnson , Bryan Bo Cao , Kristin Dana , Shubham Jain , Ashwin Ashok

Multi-robot navigation in cluttered environments presents fundamental challenges in balancing reactive collision avoidance with long-range goal achievement. When navigating through narrow passages or confined spaces, deadlocks frequently…

Robotics · Computer Science 2025-12-22 Haoyi Wang , Licheng Luo , Yiannis Kantaros , Bruno Sinopoli , Mingyu Cai

Zero-shot object navigation (ZSON) in unseen environments remains a challenging problem for household robots, requiring strong perceptual understanding and decision-making capabilities. While recent methods leverage metric maps and Large…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Qunchao Jin , Yilin Wu , Changhao Chen

The evolving field of mobile robotics has indeed increased the demand for simultaneous localization and mapping (SLAM) systems. To augment the localization accuracy and mapping efficacy of SLAM, we refined the core module of the SLAM…

Robotics · Computer Science 2024-10-08 Ang He , Xi-mei Wu , Xiao-bin Guo , Li-bin Liu

Accurate localization of mobile terminals is a pivotal aspect of integrated sensing and communication systems. Traditional fingerprint-based localization methods, which infer coordinates from channel information within pre-set rectangular…