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Anomaly detection in time series data is important for applications in finance, healthcare, sensor networks, and industrial monitoring. Traditional methods usually struggle with limited labeled data, high false-positive rates, and…

机器学习 · 计算机科学 2025-09-01 Bahareh Golchin , Banafsheh Rekabdar , Kunpeng Liu

Autonomous robot exploration (ARE) is the process of a robot autonomously navigating and mapping an unknown environment. Recent Reinforcement Learning (RL)-based approaches typically formulate ARE as a sequential decision-making problem…

机器人学 · 计算机科学 2025-09-17 Haozhan Ni , Jingsong Liang , Chenyu He , Yuhong Cao , Guillaume Sartoretti

Autonomous motion planning is challenging in multi-obstacle environments due to nonconvex collision avoidance constraints. Directly applying numerical solvers to these nonconvex formulations fails to exploit the constraint structures,…

机器人学 · 计算机科学 2023-04-06 Ruihua Han , Shuai Wang , Shuaijun Wang , Zeqing Zhang , Qianru Zhang , Yonina C. Eldar , Qi Hao , Jia Pan

This paper extends the RRT* algorithm, a recently developed but widely-used sampling-based optimal motion planner, in order to effectively handle nonlinear kinodynamic constraints. Nonlinearity in kinodynamic differential constraints often…

机器人学 · 计算机科学 2016-03-15 Jung-Su Ha , Han-Lim Choi , Jeong hwan Jeon

Autonomous robot exploration in large-scale or cluttered environments remains a central challenge in intelligent vehicle applications, where partial or absent prior maps constrain reliable navigation. This paper introduces FH-DRL, a novel…

机器人学 · 计算机科学 2025-02-14 Seunghyeop Nam , Tuan Anh Nguyen , Eunmi Choi , Dugki Min

Neighborhood finders and nearest neighbor queries are fundamental parts of sampling based motion planning algorithms. Using different distance metrics or otherwise changing the definition of a neighborhood produces different algorithms with…

机器人学 · 计算机科学 2025-06-17 Stav Ashur , Nancy M. Amato , Sariel Har-Peled

Robots operating in changing environments either predict obstacle changes and/or plan quickly enough to react to them. Predictive approaches require a strong prior about the position and motion of obstacles. Reactive approaches require no…

Fast, autonomous flight in unstructured, cluttered environments such as forests is challenging because it requires the robot to compute new plans in realtime on a computationally-constrained platform. In this paper, we enable this…

机器人学 · 计算机科学 2022-03-04 Laura Jarin-Lipschitz , Xu Liu , Yuezhan Tao , Vijay Kumar

Path planning is a fundamental capability of autonomous Unmanned Aerial Vehicles (UAVs), enabling them to efficiently navigate toward a target region or explore complex environments while avoiding obstacles. Traditional pathplanning…

机器人学 · 计算机科学 2025-05-30 Jianlin Ye , Savvas Papaioannou , Panayiotis Kolios

Physically disentangling entangled objects from each other is a problem encountered in waste segregation or in any task that requires disassembly of structures. Often there are no object models, and, especially with cluttered irregularly…

机器人学 · 计算机科学 2021-04-13 Joni Pajarinen , Oleg Arenz , Jan Peters , Gerhard Neumann

Sampling-based motion planning algorithms, like the Rapidly-Exploring Random Tree (RRT) and its widely used variant, RRT-Connect, provide efficient solutions for high-dimensional planning problems faced by real-world robots. However, these…

机器人学 · 计算机科学 2025-10-08 Chih H. Huang , Pranav Jadhav , Brian Plancher , Zachary Kingston

In autonomous robot exploration, the frontier is the border in the world map between the explored space and unexplored space. The frontier plays an important role when deciding where in the environment the robots should go explore next. We…

机器人学 · 计算机科学 2019-07-16 Juraj Oršulić , Damjan Miklić , Zdenko Kovačić

Autonomous driving vehicles aim to free the hands of vehicle operators, helping them to drive easier and faster, meanwhile, improving the safety of driving on the highway or in complex scenarios. Automated driving systems (ADS) are…

机器人学 · 计算机科学 2023-07-04 Yucheng LI

Cooperative path planning is gaining its importance due to the increasing demand on using multiple unmanned aerial vehicles (UAVs) for complex missions. This work addresses the problem by introducing a new algorithm named MultiRRT that…

机器人学 · 计算机科学 2025-04-17 Thu Hang Khuat , Duy-Nam Bui , Hoa TT. Nguyen , Mien L. Trinh , Minh T. Nguyen , Manh Duong Phung

Automotive radar has increasingly attracted attention due to growing interest in autonomous driving technologies. Acquiring situational awareness using multimodal data collected at high sampling rates by various sensing devices including…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Madhumitha Sakthi , Ahmed Tewfik , Marius Arvinte , Haris Vikalo

In this work, we propose a deep reinforcement learning (DRL) based reactive planner to solve large-scale Lidar-based autonomous robot exploration problems in 2D action space. Our DRL-based planner allows the agent to reactively plan its…

机器人学 · 计算机科学 2024-03-19 Yuhong Cao , Rui Zhao , Yizhuo Wang , Bairan Xiang , Guillaume Sartoretti

Despite the performance advantages of modern sampling-based motion planners, solving high dimensional planning problems in near real-time remains a challenge. Applications include hyper-redundant manipulators, snake-like and humanoid…

机器人学 · 计算机科学 2018-02-02 Marios P. Xanthidis , Joel M. Esposito , Ioannis Rekleitis , Jason M. O'Kane

Detecting objects efficiently from radar sensors has recently become a popular trend due to their robustness against adverse lighting and weather conditions compared with cameras. This paper presents an efficient object detection model for…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Zhiwei Lin , Weicheng Zheng , Yongtao Wang

This paper presents the Language Aided Subset Sampling Based Motion Planner (LASMP), a system that helps mobile robots plan their movements by using natural language instructions. LASMP uses a modified version of the Rapidly Exploring…

机器人学 · 计算机科学 2024-10-02 Saswati Bhattacharjee , Anirban Sinha , Chinwe Ekenna

This paper proposes a bidirectional rapidly-exploring random trees (RRT) algorithm to solve the motion planning problem for hybrid systems. The proposed algorithm, called HyRRT-Connect, propagates in both forward and backward directions in…

机器人学 · 计算机科学 2024-04-02 Nan Wang , Ricardo G. Sanfelice