Search Results for author: Panayiotis Kolios

Found 20 papers, 1 papers with code

Edge-Assisted ML-Aided Uncertainty-Aware Vehicle Collision Avoidance at Urban Intersections

no code implementations22 Apr 2024 Dinesh Cyril Selvaraj, Christian Vitale, Tania Panayiotou, Panayiotis Kolios, Carla Fabiana Chiasserini, Georgios Ellinas

Intersection crossing represents one of the most dangerous sections of the road infrastructure and Connected Vehicles (CVs) can serve as a revolutionary solution to the problem.

Collision Avoidance Decoder +1

Hierarchical Fault-Tolerant Coverage Control for an Autonomous Aerial Agent

no code implementations15 Apr 2024 Savvas Papaioannou, Christian Vitale, Panayiotis Kolios, Christos G. Panayiotou, Marios M. Polycarpou

The second-stage fault-tolerant controller then aims to follow this reference plan, even in the presence of erroneous control inputs caused by non-Gaussian disturbances.

Synergising Human-like Responses and Machine Intelligence for Planning in Disaster Response

no code implementations15 Apr 2024 Savvas Papaioannou, Panayiotis Kolios, Christos G. Panayiotou, Marios M. Polycarpou

In the rapidly changing environments of disaster response, planning and decision-making for autonomous agents involve complex and interdependent choices.

Decision Making Disaster Response +1

Pandemic infection forecasting through compartmental model and learning-based approaches

no code implementations12 Jan 2024 Marianna Karapitta, Andreas Kasis, Charithea Stylianides, Kleanthis Malialis, Panayiotis Kolios

Motivated by this, we present a hybrid pandemic infection forecasting methodology that integrates compartmental model and learning-based approaches.

A Study of Data-driven Methods for Adaptive Forecasting of COVID-19 Cases

no code implementations18 Sep 2023 Charithea Stylianides, Kleanthis Malialis, Panayiotis Kolios

Severe acute respiratory disease SARS-CoV-2 has had a found impact on public health systems and healthcare emergency response especially with respect to making decisions on the most effective measures to be taken at any given time.

Decision Making Incremental Learning

A Multi-task Learning Framework for Drone State Identification and Trajectory Prediction

no code implementations13 Sep 2023 Antreas Palamas, Nicolas Souli, Tania Panayiotou, Panayiotis Kolios, Georgios Ellinas

The rise of unmanned aerial vehicle (UAV) operations, as well as the vulnerability of the UAVs' sensors, has led to the need for proper monitoring systems for detecting any abnormal behavior of the UAV.

Multi-Task Learning Trajectory Prediction

Joint Estimation and Control for Multi-Target Passive Monitoring with an Autonomous UAV Agent

no code implementations13 Jul 2023 Savvas Papaioannou, Christos Laoudias, Panayiotis Kolios, Theocharis Theocharides, Christos G. Panayiotou

This work considers the problem of passively monitoring multiple moving targets with a single unmanned aerial vehicle (UAV) agent equipped with a direction-finding radar.

Integrated Guidance and Gimbal Control for Coverage Planning With Visibility Constraints

no code implementations22 May 2023 Savvas Papaioannou, Panayiotis Kolios, Theocharis Theocharides, Christos G. Panayiotou, Marios M. Polycarpou

This work proposes an integrated guidance and gimbal control coverage path planning (CPP) approach, in which the mobility and gimbal inputs of an autonomous UAV agent are jointly controlled and optimized to achieve full coverage of a given object of interest, according to a specified set of optimality criteria.

Distributed Search Planning in 3-D Environments With a Dynamically Varying Number of Agents

no code implementations18 Apr 2023 Savvas Papaioannou, Panayiotis Kolios, Theocharis Theocharides, Christos G. Panayiotou, Marios M. Polycarpou

In this work, a novel distributed search-planning framework is proposed, where a dynamically varying team of autonomous agents cooperate in order to search multiple objects of interest in three-dimension (3-D).

Model Predictive Control

Downing a Rogue Drone with a Team of Aerial Radio Signal Jammers

no code implementations17 Mar 2023 Savvas Papaioannou, Panayiotis Kolios, Georgios Ellinas

This work proposes a novel distributed control framework in which a team of pursuer agents equipped with a radio jamming device cooperate in order to track and radio-jam a rogue target in 3D space, with the ultimate purpose of disrupting its communication and navigation circuitry.

Jointly-Optimized Searching and Tracking with Random Finite Sets

no code implementations1 Feb 2023 Savvas Papaioannou, Panayiotis Kolios, Theocharis Theocharides, Christos G. Panayiotou, Marios M. Polycarpou

In this paper, we investigate the problem of joint searching and tracking of multiple mobile targets by a group of mobile agents.

Probabilistic Search and Track with Multiple Mobile Agents

no code implementations1 Feb 2023 Savvas Papaioannou, Panayiotis Kolios, Theocharis Theocharides, Christos G. Panayiotou, Marios M. Polycarpou

In this paper we are interested in the task of searching and tracking multiple moving targets in a bounded surveillance area with a group of autonomous mobile agents.

Decentralized Search and Track with Multiple Autonomous Agents

no code implementations1 Feb 2023 Savvas Papaioannou, Panayiotis Kolios, Theocharis Theocharides, Christos G. Panayiotou, Marios M. Polycarpou

Based on this, we develop decentralized cooperative look-ahead strategies for efficient searching and tracking of an unknown number of targets inside a bounded surveillance area.

Adaptive Frequency Band Selection for Accurate and Fast Positioning utilizing SOPs

no code implementations9 Jun 2022 Nicolas Souli, Panayiotis Kolios, Georgios Ellinas

Signals of opportunity (SOPs) are a promising technique that can be used for relative positioning in areas where global navigation satellite system (GNSS) information is unreliable or unavailable.

Learning Theory Position

An Autonomous Drone System with Jamming and Relative Positioning Capabilities

no code implementations9 Jun 2022 Nicolas Souli, Panayiotis Kolios, Georgios Ellinas

As the number of unauthorized operations of Unmanned Aerial Vehicles (UAVs) is rising, the implementation of a versatile counter-drone system is becoming a necessity.

Scheduling Aerial Vehicles in an Urban Air Mobility Scheme

no code implementations3 Aug 2021 Emmanouil S. Rigas, Panayiotis Kolios, Georgios Ellinas

Highly populated cities face several challenges, one of them being the intense traffic congestion.

Scheduling

Extracting the fundamental diagram from aerial footage

1 code implementation7 Jul 2020 Rafael Makrigiorgis, Panayiotis Kolios, Stelios Timotheou, Theocharis Theocharides, Christos G. Panayiotou

At large, this system behavior is characterized through the fundamental diagram of a road segment, a region or the network.

Relative Positioning of Autonomous Systems using Signals of Opportunity

no code implementations15 Apr 2020 Nicolas Souli, Panayiotis Kolios, Georgios Ellinas

For reliable operation, next generation autonomous agents will need enhanced situational perception as well as precise navigation capabilities.

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