CV
🚧 Under Construction 🚧
💼 Work experience
Sep 2022 – Present
- Topic: Efficient and Robust Localization and Mapping for Large-Scale and Long-Term Multi-Robot Missions
- Supervisor: Prof. George Nikolakopoulos
- Teaching Assistant: Advanced Robotics R7021E, Computer Vision and Image Processing R7020E, Robotics Course R7010E, Industrial Automation R7008E. Assisted in instructing laboratory exercises, aided in course material preparation and delivery, provided individual and group support to students, graded assignments, and collaborated with instructors and other TAs to enhance the course.
- Project acquired: AI enabled Data Driven Change Detection (Wallenberg Launchpad (WALP) | WASP, financed by the Knut and Alice Wallenberg (KAW) Foundation)
- Projects involved: National (Swedish) and European Projects
- CIRCULess: Upcycling mineral and timber-based waste from construction & manufacturing process industries (European Union Grant Agreement No:101138330)
- PERSEPHONE: Autonomous Exploration and Extraction of Deep Mineral Deposits (European Union’s Horizon Research and Innovation Programme)
- SP14: Sustainable Mining of the future (Sustainable Underground Mining (SUM) Academy Programme)
- NEXGEN SIMS: Efficient, safe, and sustainable mining (European Union’s Horizon 2020 Research and Innovation Programme)
- illuMINEation: Bright concepts for a safe and sustainable digital mining future (European Union’s Horizon 2020 Research and Innovation Programme)
Jun 2022 – Jul 2022
- Project title: Global localization for mobile robots in GNSS-denied environments
- Tools: ROS, Python, PyTorch, Open3D
Mar 2022 – Jun 2022
- Course: Advance Deep Learning D7047E
- Supervisors: Pedro Alonso, Prof. Marcus Liwicki
🎓 Education
- Robotics and AI Group
- Research: Localization and Mapping, 3D Perception, Place Recognition, Loop Closures, Pose Graph Optimization, LiDAR compression, Multi-Robot Systems
- Integrated Master, Electrical and Computer Engineering (ECE)
- Major: Signal, Systems and Automatic Control
- Thesis: Decentralized Exploration and Map Building using Multiple UAVs
- Supervisor: Prof. George Nikolakopoulos
- Erasmus+ for Exchange Studies, 45 ECTS
- Courses: Biorobotics, Industrial Automation, Advanced Deep Learning, Digital Communications, Mechatronics, Project in Electrical Engineering
- Project: Obstacle avoidance with Q-Learning and stereo camera for mobile robotics
- Supervisors: Assist. Prof. Anton Koval, Prof. George Nikolakopoulos
- Department of Electrical and Computer Engineering (ECE)
Skills
- Soft Skills: Project management, Teamwork, Problem Solving
- Languages: Python, MATLAB, C (limited use), C++ (limited use)
- Libraries: PyTorch, Open3D, OpenCV, NumPy, GTSAM
- Dev. Tools: ROS, Git, Conda
🏆 Awards and Grants
The Travel Member Support intention is to support, through prepaid accommodation, the travel to the 2025 IEEE International Conference on Robotics and Automation (ICRA) in Atlanta, GA, USA for presenting publication.
Listed in IVA's top 100 List for the AI enabled Data Driven Change Detection. IVA's annual 100 List highlights current research with the potential to create value through commercialization, business and method development or societal impact.
Does Sample Space Matter? Preliminary Results on Keyframe Sampling Optimization for LiDAR-based Place Recognition
N. Stathoulopoulos, V. Sumathy, C. Kanellakis and G. Nikolakopoulos
Standing the Test of Time Workshop: Retrospective and Future of World Representations for Lifelong Robotics, 2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Abu Dhabi, UAE, 2024.
Awarded to doctoral students for travel to a conference abroad where their own contribution is to be presented. Awarded for presenting a publication at the 2024 IEEE International Conference on Robotics and Automation (ICRA) in Yokohama, Japan.
Phase 2 of the WALP project was initiated after the successful pitch of the idea where we showcased the potential to impact the industry. This phase centers on further developing and implementing an evolved iteration of the concept outlined in previously published work.
Publications
📚 Journals
Publications in International Journals in the field of Robotics
[J8] A Minimal Subset Approach for Informed Keyframe Sampling in Large-scale SLAM
N. Stathoulopoulos, C. Kanellakis and G. Nikolakopoulos
IEEE Robotics and Automation Letters, vol. 11, no. 1, pp. 738-745, 2026 | DOI: 10.1109/LRA.2025.3636035[J7] Have We Scene It All? Scene Graph-Aware Deep Point Cloud Compression
N. Stathoulopoulos, C. Kanellakis and G. Nikolakopoulos
IEEE Robotics and Automation Letters, vol. 10, no. 12, pp. 12477-12484, 2025 | DOI: 10.1109/LRA.2025.3623045[J6] Deployment of an Aerial Multi-agent System for Automated Task Execution in Large-scale Underground Mining Environments
N. Dahlquist, S. Nordström, N. Stathoulopoulos, B. Lindqvist, A. Saradagi and G. Nikolakopoulos
IEEE Transactions on Field Robotics, vol. 2, pp. 2997-1101, 2025 | DOI: 10.1109/TFR.2025.3580068[J5] Safety Inspections and Gas Monitoring in Hazardous Mining Areas After Blasting Using Autonomous UAVs
S. Nordström, N. Stathoulopoulos, N. Dahlquist, B. Lindqvist, I. Tevetzidis, C. Kanellakis and G. Nikolakopoulos
Journal of Field Robotics | DOI: 10.22541/au.171027386.64290736/v1[J4] FRAME: A Modular Framework for Autonomous Map Merging: Advancements in the Field
N. Stathoulopoulos, B. Lindqvist, A. Koval, A. -A. Agha-Mohammadi and G. Nikolakopoulos
IEEE Transactions on Field Robotics, vol. 1, pp. 1-26, 2024 | DOI: 10.1109/TFR.2024.3419439[J3] Communication-Aware Control of Large Data Transmissions via Centralized Cognition and 5G Networks for Multi-Robot Map merging
G. Damigos, N. Stathoulopoulos, A. Koval, T. Lindgren and G. Nikolakopoulos
Journal of Intelligent & Robotic Systems 110, 22, 2024 | DOI: 10.1007/s10846-023-02045-4[J2] 3DEG: Data-driven Descriptor Extraction for Global re-localization in subterranean environments
N. Stathoulopoulos, A. Koval and G. Nikolakopoulos
Expert Systems with Applications, Volume 237, Part B, 2024, 121508 | DOI: 10.1016/j.eswa.2023.121508[J1] A Comparative Field Study of Global Pose Estimation Algorithms in Subterranean Environments
N. Stathoulopoulos, A. Koval and G. Nikolakopoulos
International Journal of Control, Automation and Systems 22, 690–704, 2024 | DOI: 10.1007/s12555-023-0026-2
🎯 Conferences
Publications in National and International Conferences in the field of Robotics and Informatics
[C8] Real-time Point Cloud Data Transmission via L4S for 5G-Edge-Assisted Robotics
G. Damigos, N. Stathoulopoulos, A. S. Seisa, S. Sandberg and G. Nikolakopoulos
Submitted to IFAC World Congress 2026[C7] A Hierarchical Graph-Based Terrain-Aware Autonomous Navigation Approach for Complementary Multimodal Ground-Aerial Exploration
A. Patel, M. A. V. Saucedo, N. Stathoulopoulos, V. Sankaranarayanan, I. Tevetzidis, C. Kanellakis, G. Nikolakopoulos
2025 IEEE International Conference on Robotics and Automation (ICRA), Atlanta, GA, USA[C6] Leveraging Computation of Expectation Models for Commonsense Affordance Estimation on 3D Scene Graphs
M. A. V. Saucedo, N. Stathoulopoulos, A. Patel, C. Kanellakis and G. Nikolakopoulos
2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Abu Dhabi, UAE, 2024, pp. 9797-9802 | DOI: 10.1109/IROS58592.2024.10802560[C5] RecNet: An Invertible Point Cloud Encoding through Range Image Embeddings for Multi-Robot Map Sharing and Reconstruction
N. Stathoulopoulos, M.A.V Saucedo, A. Koval, and G. Nikolakopoulos
2024 IEEE International Conference on Robotics and Automation (ICRA), Yokohama, Japan, 2024, pp. 4883-4889 | DOI: 10.1109/ICRA57147.2024.10611602[C4] Redundant and Loosely Coupled LiDAR-Wi-Fi Integration for Robust Global Localization in Autonomous Mobile Robotics
N. Stathoulopoulos, E. Pagliari, L. Davoli and G. Nikolakopoulos
21st International Conference on Advanced Robotics (ICAR), Abu Dhabi, United Arab Emirates, 2023, pp. 121-127 | DOI: 10.1109/ICAR58858.2023.10406402[C3] Irregular Change Detection in Sparse Bi-Temporal Point Clouds Using Learned Place Recognition Descriptors and Point-to-Voxel Comparison
N. Stathoulopoulos, A. Koval and G. Nikolakopoulos
2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Detroit, MI, USA, 2023, pp. 8077-8083 | DOI: 10.1109/IROS55552.2023.10342248[C2] FRAME: Fast and Robust Autonomous 3D Point Cloud Map-Merging for Egocentric Multi-Robot Exploration
N. Stathoulopoulos, A. Koval, A. -A. Agha-Mohammadi and G. Nikolakopoulos
2023 IEEE International Conference on Robotics and Automation (ICRA), London, United Kingdom, 2023, pp. 3483-3489 | DOI: 10.1109/ICRA48891.2023.10160771[C1] School Hackerspaces: Supporting Informatics in Secondary Education
D. Dimitropoulos, N. Stathoulopoulos, E. Rompola, et al.
12th Conference on Informatics in Education (CIE), 2020, pp. 88-95
🔐 Patents
Filed by Ericsson AB:
- [P1] Control of Information Transmission for Real-time Map Merging
G. Damigos, N. Stathoulopoulos, T. Lindgren, G. Nikolakopoulos, S. Sandberg
Patent pending | Application No. PCT/EP2023/062812 | Filed May 2023