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A fundamental concern in real-time planning is the presence of dead-ends in the state space, from which no goal is reachable. Recently, the SafeRTS algorithm was proposed for searching in such spaces. SafeRTS exploits a user-provided…

Artificial Intelligence · Computer Science 2019-05-17 Bence Cserna , Kevin C. Gall , Wheeler Ruml

This paper proposes KC-TSS: K-Clustered-Traveling Salesman Based Search, a failure resilient path planning algorithm for heterogeneous robot teams performing target search in human environments. We separate the sample path generation…

Robotics · Computer Science 2022-03-03 Minkyu Kim , Ryan Gupta , Luis Sentis

Obstacle avoidance for small unmanned aircraft is vital for the safety of future urban air mobility (UAM) and Unmanned Aircraft System (UAS) Traffic Management (UTM). There are many techniques for real-time robust drone guidance, but many…

Robotics · Computer Science 2021-11-16 Jueming Hu , Xuxi Yang , Weichang Wang , Peng Wei , Lei Ying , Yongming Liu

3D Gaussian splatting has demonstrated impressive performance in real-time novel view synthesis. However, achieving successful reconstruction from RGB images generally requires multiple input views captured under static conditions. To…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Wei Sun , Qi Zhang , Yanzhao Zhou , Qixiang Ye , Jianbin Jiao , Yuan Li

In outdoor environments, mobile robots are required to navigate through terrain with varying characteristics, some of which might significantly affect the integrity of the platform. Ideally, the robot should be able to identify areas that…

Robotics · Computer Science 2018-02-20 Rafael Oliveira , Lionel Ott , Vitor Guizilini , Fabio Ramos

Autonomous agents rely on sensor data to construct representations of their environments, essential for predicting future events and planning their actions. However, sensor measurements suffer from limited range, occlusions, and sensor…

Active target sensing is the task of discovering and classifying an unknown number of targets in an environment and is critical in search-and-rescue missions. This paper develops a deep reinforcement learning approach to plan informative…

Robotics · Computer Science 2022-12-19 Harsh Goel , Laura Jarin Lipschitz , Saurav Agarwal , Sandeep Manjanna , Vijay Kumar

Robots can rapidly acquire new skills from demonstrations. However, during generalisation of skills or transitioning across fundamentally different skills, it is unclear whether the robot has the necessary knowledge to perform the task.…

Machine Learning · Statistics 2018-08-08 Nutan Chen , Alexej Klushyn , Alexandros Paraschos , Djalel Benbouzid , Patrick van der Smagt

As humanity prepares for new missions to the Moon and Mars, astronauts will need to operate with greater autonomy, given the communication delays that make real-time support from Earth difficult. For instance, messages between Mars and…

Artificial Intelligence · Computer Science 2024-10-23 Oliver Bensch , Leonie Bensch , Tommy Nilsson , Florian Saling , Wafa M. Sadri , Carsten Hartmann , Tobias Hecking , J. Nathan Kutz

We present an active visual search model for finding objects in unknown environments. The proposed algorithm guides the robot towards the sought object using the relevant stimuli provided by the visual sensors. Existing search strategies…

Robotics · Computer Science 2021-02-08 Amir Rasouli , Pablo Lanillos , Gordon Cheng , John K. Tsotsos

Knowledge-intensive language tasks (KILTs) benefit from retrieving high-quality relevant contexts from large external knowledge corpora. Learning task-specific retrievers that return relevant contexts at an appropriate level of semantic…

Information Retrieval · Computer Science 2023-05-01 Jiangui Chen , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Yiqun Liu , Yixing Fan , Xueqi Cheng

For autonomous mobile robots, uncertainties in the environment and system model can lead to failure in the motion planning pipeline, resulting in potential collisions. In order to achieve a high level of robust autonomy, these robots should…

Robotics · Computer Science 2024-02-05 Nicholas Mohammad , Jacob Higgins , Nicola Bezzo

Safely deploying robots in uncertain and dynamic environments requires a systematic accounting of various risks, both within and across layers in an autonomy stack from perception to motion planning and control. Many widely used motion…

Systems and Control · Electrical Eng. & Systems 2020-02-10 Venkatraman Renganathan , Iman Shames , Tyler H. Summers

A key drawback of the current generation of artificial decision-makers is that they do not adapt well to changes in unexpected situations. This paper addresses the situation in which an AI for aerial dog fighting, with tunable parameters…

Machine Learning · Statistics 2016-12-14 Brett Israelsen , Nisar Ahmed

This paper addresses an Optimal Transport (OT)-based efficient multi-robot exploration problem, considering the energy constraints of a multi-robot system. The efficiency in this problem implies how a team of robots (agents) covers a given…

Systems and Control · Electrical Eng. & Systems 2020-09-03 Rabiul Hasan Kabir , Kooktae Lee

Deep visual Simultaneous Localization and Mapping (SLAM) techniques, e.g., DROID, have made significant advancements by leveraging deep visual odometry on dense flow fields. In general, they heavily rely on global visual similarity…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Yucheng Huang , Luping Ji , Hudong Liu , Mao Ye

Thompson Sampling has generated significant interest due to its better empirical performance than upper confidence bound based algorithms. In this paper, we study Thompson Sampling based algorithm for Unsupervised Sequential Selection (USS)…

Machine Learning · Computer Science 2020-09-17 Arun Verma , Manjesh K. Hanawal , Nandyala Hemachandra

This paper develops a stochastic programming framework for multi-agent systems where task decomposition, assignment, and scheduling problems are simultaneously optimized. The framework can be applied to heterogeneous mobile robot teams with…

Robotics · Computer Science 2022-11-15 Bo Fu , William Smith , Denise Rizzo , Matthew Castanier , Maani Ghaffari , Kira Barton

This paper addresses the problem of target detection and localisation in a limited area using multiple coordinated agents. The swarm of Unmanned Aerial Vehicles (UAVs) determines the position of the dispersion of stack effluents to a gas…

Robotics · Computer Science 2019-07-18 Daniele Facinelli , Matteo Larcher , Davide Brunelli , Daniele Fontanelli

Machine learning (ML) systems often encounter Out-of-Distribution (OoD) errors when dealing with testing data coming from a distribution different from training data. It becomes important for ML systems in critical applications to…

Machine Learning · Computer Science 2020-06-12 Randy Ardywibowo , Shahin Boluki , Xinyu Gong , Zhangyang Wang , Xiaoning Qian