Book Chapters

1. Rafel Makrigiorgis, Shahid Siddiqui, Christos Kyrkou, Panagiotis Kolios, Theocharis Theocharides, "Efficient Deep Vision for Aerial Visual Understanding",  Contributed Book Chapter in Embedded Machine Learning for Cyber Physical, IoT, and Edge Computing, Springer International Publishing, ISBN: 9783031195679, 2023, (Accepted to Appear) 📰

2. Marios Pafitis, Antonis Savva, Christos Kyrkou, Panagiotis Kolios, Theocharis Theocharides, "MELETI: A Machine Learning-based Embedded System Architecture for Infrastructure Inspection with UAVs", Contributed Book Chapter in Embedded Machine Learning for Cyber Physical, IoT, and Edge Computing, Springer International Publishing, ISBN: 9783031195679, 2023, (Accepted to Appear) 📰

3. Petros Petrides, Panayiotis Kolios, Christos Kyrkou, Theocharis Theocharides, Christos Panayiotou, “Disaster Prevention and Emergency Response Using Unmanned Aerial Systems”, In Smart Cities in the Mediterranean, Springer, pp. 379-403, 2017.  📰

Peer-Reviewed Journals and Magazines

1. Christos Kyrkou, Panayiotis Kolios, Theocharis Theocharides, Marios Polycarpou, "Machine Learning for Emergency Management: A Survey and Future Outlook," in Proceedings of the IEEE, vol. 111, no. 1, pp. 19-41, Jan. 2023 📰 

2. Christos Kyrkou, “C^3Net: End-to-End deep learning for efficient real-time visual active camera control” , Journal of Real-Time Image Processing vol. 18, no. 4, pp. 1421-1433, August 2021.  Special Issue on Artificial Intelligence and Machine Learning for Real-Time Image Processing) https://doi.org/10.1007/s11554-021-01077-z  📰 📚 📘  💻  🎥 

3. Christos Kyrkou, “YOLOPeds: Efficient Single-Shot Pedestrian Detection for Smart Camera Applications”, IET Computer Vision, 2020, 14, (7), p. 417-425, DOI: 10.1049/iet-cvi.2019.0897  📰 📚 📘  💻  🎥 

4. Giuseppe Conti, Christos Kyrkou, Theocharis Theocharides, G.Hernandex-Penaloza, D. Jimenex, “A Novel FPGA-Based Test-Bench Framework for SDI Stream Verifcation”, EURASIP Journal on Image and Video Processing, p. 31, July 2020. 📰  📘

5. Christos Kyrkou and Theocharis Theocharides, "EmergencyNet: Efficient Aerial Image Classification for Drone-Based Emergency Monitoring Using Atrous Convolutional Feature Fusion," in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 13, pp. 1687-1699, 2020, doi: 10.1109/JSTARS.2020.2969809. 📰 📘  🎥   📦 📁  💻 ⌨ 🎮Live Demo 

6. M. Shafique, M. Naseer, T. Theocharides, Christos Kyrkou, et al, “Robust Machine Learning Systems: Challenges, Current Trends, Perspectives, and the Road Ahead” in IEEE Design & Test, vol. 37, no. 2, pp. 30-57, April 2020, doi: 10.1109/MDAT.2020.2971217. 📰  📘 

7. Christos Kyrkou, Stelios Timotheou, Panayiotis Kolios, Theocharis Theocharides and Christos G. Panayiotou,  "Drones: Augmenting Our Quality of Life," in IEEE Potentials, vol. 38, no. 1, pp. 30-36, Jan.-Feb. 2019. 📰 📘 

8. Christos Kyrkou, Eftychios Christoforou, Stelios Timotheou, Theocharis Theocharides, Christos Panayiotou, Marios Polycarpou, “Optimizing the Detection Performance of Smart Camera Networks Through a Probabilistic Image-Based Model”, IEEE Transactions on Circuits and Systems for Video Technology,  vol. 28, no. 5, pp. 1197-1211, May 2018. 📰  📘  📥  🎥

9. Christos Kyrkou, Christos-Savvas Bouganis, Theocharis Theocharides, Marios Polycarpou, "Boosting the Hardware-Efficiency of Cascade Support Vector Machines for Embedded Classification Applications", International Journal of Parallel Programming, vol. 46, no. 6, pp. 1220-1246, December 2018. https://doi.org/10.1007/s10766-017-0514-1   📰  📘  📥  🎥

10. Christos Kyrkou, Theocharis Theocharides, "Accelerating object detection via a visual-feature-directed search cascade: Algorithm and Field Programmable Gate Array Implementation", J. Electron. Imaging, 25(4), 041013 (2016), doi: 10.1117/1.JEI.25.4.041013.  

11. Christos Kyrkou, Christos Laoudias, Theocharis Theocharides, Christos Panayiotou, Marios Polycarpou, "Adaptive Energy-Oriented Multi-Task Allocation in Smart Camera Networks", IEEE Embedded Systems Letters, vol. 8, no. 2, pp. 37-40, June 2016. (top-five accessed article from IEEE Embedded Systems Letters in July 2016)  📰  📘  📥  🎥

12. Christos Ttofis, Christos Kyrkou, and Theocharis Theocharides, "A Low-Cost Real-Time Embedded Stereo Vision System for Accurate Disparity Estimation Based on Guided Image Filtering", IEEE Transactions on Computers, vol. 65, no. 9, pp. 2678-2693, Sept. 1 2016. (doi: 10.1109/TC.2015.2506567) 📰

13. Christos Kyrkou, Christos-Savvas Bouganis, Theocharis Theocharides, Marios Polycarpou, "Embedded Hardware-Efficient Real-Time Classification with Cascade Support Vector Machines", IEEE Transactions on Neural Networks and Learning Systems, vol. 27, no. 1, pp. 99-112, January 2016.  📰  📘  📥  🎥

14. Christos Ttofis, Christos Kyrkou, and Theocharis Theocharides, "A Hardware-Efficient Architecture for Accurate Real-Time Disparity Map Estimation", ACM Transactions on Embedded Computing Systems, vol. 14, no. 2, p. 36, 2015. 📖

15. Christos Kyrkou, Christos Ttofis, and Theocharis Theocharides, "A Hardware Architecture for Real-Time Object Detection Using Depth and Edge Information", ACM Transactions on Embedded Computing Systems, vol. 13, no. 3, pp. 54:1-54:19, December 2013. 📰  📘  📥  

16. Christos Kyrkou, and Theocharis  Theocharides,  "A Parallel Hardware Architecture for Real-Time Object Detection with Support Vector Machines", IEEE Transactions on Computers, vol.61, no.6, pp.831-842, June 2012.  📰  📥  🎥  📹

17.  Christos Kyrkou and Theocharis Theocharides, "A Flexible Parallel Hardware Architecture for AdaBoost-Based Real-Time Object Detection", IEEE Transactions on Very Large Scale Integration (TVLSI) Systems, vol.19, no.6, pp. 1034-1047, June 2011. 📰  📘  📥

18. Christos Kyrkou, and Theocharis Theocharides, "SCoPE: Towards a Systolic Array for SVM Object Detection", IEEE Embedded System Letters, vol. 1, no. 2, pp. 46-49, August 2009. 📰  📘  📥  🎥

Conference Proceedings

1. Rafael Makrigiorgis, Christos Kyrkou, Panagiotis Kolios, "How High Can You Detect? Improved Accuracy and Efficiency at Varying Altitudes for Aerial Vehicle Detection", ICUAS2023 (to appear).

2. Antonis Savva, Manos Papageorgiou, Christos Kyrkou, Panagiotis Kolios, Theocharis Theocharides, Christos Panayiotou "A LiDAR-Based Method to Identify Vegetation Encroachment in Power Networks with UAVs", ICUAS2023 (to appear).

3. Mohsin Kamal, Christos Kyrkou, et al. "A Comprehensive Solution for Securing Connected and Autonomous Vehicles", D2022 Design, Automation & Test in Europe Conference & Exhibition (DATE), 2022, pp. 790-795, doi: 10.23919/DATE54114.2022.9774594. 📰

4. Rafael Makrigiorgis, Nicolas Hadjittoouli, Christos Kyrkou, Theocharis Theocharides, "AirCamRTM: Enhancing Vehicle Detection for Efficient Aerial Camera-based Road Traffic Monitoring",Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), pp. 2119-2128, 2022. 📰  📓 🎥 🎥

5. Andrey Ignatov and Grigory Malivenko and Radu Timofte and Sheng Chen and Xin Xia and Zhaoyan Liu and Yuwei Zhang and Feng Zhu and Jiashi Li and Xuefeng Xiao and Yuan Tian and Xinglong Wu and Christos Kyrkou, et. al. "Fast and Accurate Quantized Camera Scene Detection on Smartphones, Mobile AI 2021 Challenge: Report", Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, 2021, pp. 2558-2568.  📰 📓 📚 💻

6. Antonis Savva, Angelos Zacharia, Rafael Makrigiorgis, Andreas Anastasiou, Christos Kyrkou, Panayiotis Kolios, Christos Panayiotou, Theocharis Theocharides, "ICARUS: Automatic Autonomous Power Infrastructure Inspection with UAVs", International Conference on Unmanned Aircraft Systems  (ICUAS), June 2021, pp. 918-926. 

7. Shahid Siddiqui, Christos Kyrkou, Theocharis Theocharides, "Operation and Topology Aware Fast Differentiable Architecture Search", 25th International Conference on Pattern Recognition (ICPR), January 2021, pp. 9666-9673.  📰, 📘, 🎥, 

8. Andreas  Papachristodoulou, Christos Kyrkou, Theocharis Theocharides, "DriveGuard: Robustification of Automated Driving Systems with Deep Spatio-Temporal Convolutional Autoencoder", IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) Workshops, January 2021, pp. 107-116. 📰 📘 📚 📓 🎥  

9. Christos Kyrkou, "Imitation-Based Active Camera Control with Deep Convolutional Neural Network", IEEE International Conference on Image Processing Applications and Systems (IPAS), December 2020. Best Paper Award🌟 📰 📘 📚  🎥  

10. Christos Kyrkou, Andreas  Papachristodoulou, Andreas  Kloukiniotis, Andreas Papandreou, Aris Lalos, Konstantinos Moustakas, Theocharis Theocharides, "Towards Artificial-Intelligence-Based Cybersecurity for Robustifying Automated Driving Systems Against Camera Sensor Attacks," 2020 IEEE Computer Society Annual Symposium on VLSI (ISVLSI), Limassol, Cyprus, 2020, pp. 476-481. 📰 📘 🎥

11. George Plastiras, Mohamed Shahid, Christos Kyrkou, Theocharis Theocharides, "Efficient Embedded Deep Neural-Network-based Object Detection Via Joint Quantization and Tiling," 2020 2nd IEEE International Conference on Artificial Intelligence Circuits and Systems (AICAS), Genova, Italy, 2020, pp. 6-10. 📰

12. Alexandros Kourris, Christos Kyrkou, Christos-Savvas .Bouganis, “Informed Region Selection for Efficient UAV-based Object Detectors: Altitude-aware Vehicle Detection with CyCAR Dataset”, 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Macau, China, 2019, pp. 51-58, 3rd place in the 4th IEEE UK&I Robotics and Automation Society (RAS) Conference’s Poster Competition 📰  📘   📦 🎥  📥

13. George Plastiras, Christos Kyrkou, Theocharis Theocharides, “EdgeNet - Balancing Accuracy and Performance for Edge-based Convolutional Neural Network Object Detectors”, In Proceedings of the 13th International Conference on Distributed Smart Cameras (ICDSC 2019). ACM, New York, NY, USA, Article 8, 6 pages. DOI: https://doi.org/10.1145/3349801.3349809  📰 📚 📥

14. Alberto Marchisio, Muhammad Abdullah Hanif, Faiq Khalid, George Plastiras, Christos Kyrkou, Theocharis Theocharides, Muhammad Shafique, “Deep Learning for Edge Computing: Current Trends, Cross-Layer Optimizations, and Open Research Challenges”, 2019 IEEE Computer Society Annual Symposium on VLSI (ISVLSI), Miami, FL, USA, 2019, pp. 553-559. doi: 10.1109/ISVLSI.2019.00105 (Invited Paper)  📰

15. Christos Kyrkou, Theocharis Theocharides "Deep-Learning-Based Aerial Image Classification for Emergency Response Applications using Unmanned Aerial Vehicles", CVPR 3d International Workshop in Computer Vision for UAVs, Long Beach, CA, 16-20 June, 2019, pp. 517-525. 📰  📘 📚  📓  📥 🎥  📦

16. George Plastiras, Christos Kyrkou, and Theocharis Theocharides, “Efficient ConvNet-based Object Detection for Unmanned Aerial Vehicles by Selective Tile Processing”, International Conference on Distributed Smart Cameras (ICDSC), Netherlands, Article 3, 6 pages, 3-4 September 2018.  📰, 📘  🎥

17. George Plastiras, Maria Terzi, Christos Kyrkou, Theocharis Theocharides,  "Edge Intelligence: Challenges and Opportunities of Near-Sensor Machine Learning Applications," 2018 IEEE 29th International Conference on Application-specific Systems, Architectures and Processors (ASAP), Milano, Italy, pp. 1-7, 2018. (Invited Paper) 📰  📘

18. Christos Kyrkou, George Plastiras, Stylianos Venieris, Theocharis Theocharides, Christos-Savvas Bouganis, "DroNet: Efficient convolutional neural network detector for real-time UAV applications," 2018 Design, Automation & Test in Europe Conference & Exhibition (DATE), Dresden, Germany, pp. 967-972, March 2018. 📰  📘, 📚 📥  💻  ⌨  

19. Christos Kyrkou, Stelios Timotheou, Panayiotis Kolios, Theocharis Theocharides, Christos Panayiotou, "Optimized vision-directed deployment of UAVs for rapid traffic monitoring",  2018 IEEE International Conference on Consumer Electronics (ICCE), Las Vegas, NV, pp. 1-6. January, 2018.   📰  📘  📥  🎥

20. Christos Kyrkou, Stelios Timotheou, Theocharis Theocharides, Christos Panayiotou, Marios Polycarpou, " Optimizing Multi-Target Detection in Stochastic Environments with Active Smart Camera Networks", In Proceedings of the 11th International Conference on Distributed Smart Cameras (ICDSC 2017), ACM, New York, NY, USA, 63-68, September, 2017.  📰  📘  📥  🎥

21. Petros Petrides, Panayiotis Kolios, Christos Kyrkou, Theocharis Theocharides, Christos Panayiotou, "Towards a Holistic Performance Evaluation Framework for Drone-Based Object Detection", In Proceedings of the 2017 International Conference on Unmanned Aircraft Systems (ICUAS), Miami, FL, USA, 2017, pp. 1785-1793. 📰

22. Christos Kyrkou, Stelios Timotheou, Eftychios Christoforou, Theocharis Theocharides, Christos Panayiotou, Marios Polycarpou, "Towards Improving the Detection Performance in Collaborative Visual Sensor Networks", in proceedings of 10th International Conference on Distributed Smart Cameras (ICDSC '16), pp. 8-13, 12-15 September, 2016.  📰  📘  📥  🎥

23.  Petros Petrides, Panayiotis Kolios, Christos Kyrkou, Theocharis Theocharides, Christos Panayiotou, "Needs Assessment of Unmanned Aerial Vehicles in Emergency Response", Smart Blue City: 1st Euro-Mediterranean Conference and Exhibition, 14-16 April, 2016.

24. Ioannis Chadjiminas, Ioannis Savva, Christos Kyrkou, Maria K. Michael, Theocharis Theocharides, "Emulation-Based Hierarchical Fault-Injection Framework for Coarse-to-Fine Vulnerability Analysis of Hardware-Accelerated Approximate Applications", In proceedings of Design, Automation, and Test in Europe (DATE), 14-18 March 2016. 📰

25. Christos Kyrkou and Theocharis Theocharides, "Accelerating FPGA-based Object Detection via a Visual Information Extraction Cascade", 9th International Conference on Distributed Smart Cameras (ICDSC'15), pp. 140-145, 8-11 September 2015. (Invited Paper) 📰

26. Christos Kyrkou, Theocharis Theocharides, Christos Panayiotou, Marios Polycarpou, "Distributed Adaptive Task Allocation for Energy Conservation in Camera Sensor Networks", 9th International Conference on Distributed Smart Cameras (ICDSC'15), pp.  92-97, 8-11 September 92-97, 2015. 📰  📘  📥  🎥

27.   Christos Kyrkou, Eftychios Christoforou, Theocharis Theocharides, Christos Panayiotou, Marios Polycarpou, "A Camera Uncertainty Model for Collaborative Visual Sensor Network Applications",  9th International Conference on Distributed Smart Cameras (ICDSC'15), pp. 86-91,  92-97 September 2015. 📰   📘  📥

28. Ioannis Chadjiminas, Christos Kyrkou, Christos Ttofis, Theocharis Theocharides, Maria K. Michael, "In-field Vulnerability Analysis of Hardware-Accelerated Computer Vision Applications", In proceedings of International Conference on Field Programmable Logic and Applications (FPL), pp. 1-4, 2-4 Sept. 2015. 📰

29. Christos Laoudias, Panayiotis Tsangaridis, Marios Polycarpou, Christos Panayiotou, Christos Kyrkou, Theocharis Theocharides, "Fault Tolerant Tracking of Multiple Targets in Collaborative Camera Networks", In Proceedings of European Control Conference, pp. 3191-3196, 15-17 July 2015. 📰

30. Christos Laoudias, Panayiotis Tsangaridis, Marios Polycarpou, Christos Panayiotou, Christos Kyrkou, Theocharis Theocharides, "Cooperative Fault-Tolerant Target Tracking in Camera Sensor Networks", IEEE International Communication Conference (ICC), pp. 6634-6639, 8-12 June 2015. 📰

31. Martinianos Papadopoulos, Christos Ttofis, Christos Kyrkou and Theocharis Theocharides, "Real-Time Obstacle Avoidance for Mobile Robots via Stereoscopic Vision Using Reconfigurable Hardware", ACM/SIGDA International Symposium on Field-Programmable Gate Arrays (FPGA 2015), p. 262, February 2015. 📰

32. Christos Kyrkou, Christos-Savvas Bouganis, Theocharis Theocharides, "An Embedded Hardware-Efficient Architecture for Real-Time Cascade Support Vector Machine Classification", International Conference on Embedded Computer Systems: Architectures, Modeling, and Simulation (SAMOS XIII), Samos, Greece, pp. 129-136, 15-18 July 2013. 📰

33. Christos Kyrkou, Christos-Savvas Bouganis, Theocharis Theocharides, " A Hardware-Efficient Architecture for Embedded Real-Time Cascaded Support Vector Machines Classification", ACM/IEEE Great Lakes Symposium on VLSI - GLSVLSI, pp. 341-342, May 2-4 2013. 📰

34. Christos Kyrkou, Christos-Savvas Bouganis, Theocharis Theocharides, "FPGA-based Acceleration of Cascaded Support Vector Machines for Embedded Applications", 21st ACM/SIGDA International Symposium on Field-Programmable Gate Arrays (FPGA 2013), 11-13 February 2013. 📰

35. Alina Gavrijaseva, Ago Mõlder, Olev Märtens, Christos Kyrkou, Theocharis Theocharides "Cross-Correlation-based Image Matching of Coins", The Baltic Electronics Conference (BEC), Tallinn, Estonia, October 3-5, 2012. IEEE, 2012, 319 - 322.  📰  🎥

36.  Christos Kyrkou, Christos Ttofis, Theocharis Theocharides, "FPGA-Accelerated Object Detection using edge information", International Conference on Field Programmable Logic and Applications (FPL), pp.167-170, 5-7 Sept. 2011. 📰

37. Christos Kyrkou, Christos Ttofis, Theocharis Theocharides, "Depth-Directed Hardware Object Detection", Design Automation & Test in Europe Conference & Exhibition (DATE), 2011, 14-18 March 2011. 📰 

38. Christos Ttofis, Christos Kyrkou, Theocharis Theocharides and Maria. K. Michael, "FPGA-Based NoC-Driven Sequence of Lab Assignments for Manycore Systems", in the Proceedings of the IEEE International Conference on Microelectronic Systems Education (MSE 2009), co-located with the 46th Design Automation Conference, San Francisco, USA, July, 2009. Best Paper Award  🌟 📰 

Other Publications (Technical Reports, Demos, Posters,Workshops,Keynotes)

1. Christos Kyrkou, “Efficient Convolutional Neural Network for Aerial Image Classification for Drone-Based Emergency Monitoring”, tinyML EMEA Innovation Forum, October 10-12, 2022.

2. Christos Kyrkou, Theocharis Theocharides, “tinyEOD: Small Deep Neural Networks and Beyond for Embedded Vision Applications”, tinyML summit, February 12-13, 2020,   📥

3. Christos Kyrkou, “Efficient Deep-Learning-Based Object Detection for Unmanned Aerial Vehicles”, 12th Cyprus Workshop on Signal Processing and Informatics, 10 July 2019. (Keynote) 📥

4. Petros Petrides, Christos Kyrkou, Theocharis Theocharides, Panayiotis Kolios, Christos Panayiotou, "Real-time Vehicle Detection using Unmanned Aircraft Systems (UAS)", 9th Cyprus Workshop on Signal Processing and Informatics (CWSPI), June 29, 2016.

5. Christos Kyrkou “FPGA-based Hardware Accelerators for Embedded Object Detection Systems”, part of PhD Dissertation presented in PhD Forum,  IEEE Design Automation and Test in Europe (DATE) Conference, Grenoble, France, March 2013.

6. Christos Kyrkou and Theocharis Theocharides, "Hardware Object Detection using Depth Information", Proceedings of the 4th Cyprus Workshop on Signal Processing and Informatics, Nicosia, Cyprus, July 2011. 

7. Christos Kyrkou and Theocharis Theocharides, "Towards a Systolic Array for SVM Object Detection ", Proceedings of the 2nd Cyprus Workshop on Signal Processing and Informatics, Nicosia, Cyprus, July 2009.  🎥

8. Christos Kyrkou, "Hardware Architectures for Pattern Recognition to reduce energy consumption", Workshop on Energy Efficient Embedded and Mobile Multiprocessor System-on-Chip Architectures, Nicosia Cyprus, December, 2010.

9. Christos Kyrkou and Theocharis Theocharides, "Neural Network-Based Face Detector Implementation on a Virtex2 Pro FPGA Platform", Proceedings of the 3rd Greek National Student Conference of Electrical and Computer Engineering, page 62, Salonica, Greece, April 2009.  📥

10. Christos Kyrkou and Theocharis Theocharides, "Design-Space Exploration of Hardware Architectures for Classification and Pattern Recognition on FPGA Systems", HiPEAC Conference, Paphos, Cyprus, 2009.

1. Christos Kyrkou, “Real-Time Hardware Acceleration of Object Detection for Intelligent Embedded Vision Systems”, PhD Thesis, University of Cyprus, Nicosia, January 2014.  📥

2. Christos Kyrkou, “Embedded Hardware Architectures for Object Detection”, MSc Thesis, University of Cyprus, Nicosia, June 2010. 📥

3. Christos Kyrkou,“Neural-Network-Based Face Detector Implementation on a Virtex II PRO FPGA Platform”, BSc Thesis, University of Cyprus, Nicosia, June 2008. 📥