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Δρ. Δημήτριος Ζαρπαλάς -
Δημοσιεύσεις

Δημοσιεύσεις Σε Περιοδικά

  1. M. Antoun, I. H. Elhajj, M. Sayour, P. K. Papadopoulos, D. Zarpalas, A. Rizk, A. T. Islam, I. Huerta, L. Toledo, G. Arvanitis, K. Moustakas, A. Jevtić, I. Agustí, F. Vona, J. N. Voigt-Antons, M. Warsinke, W. Bailer, G. Thallinger, B. Howkins, I. Poder, M. Ruess, D. Asmar, "Interactive digital twins enabling responsible extended reality applications.", Scientific Reports, vol. 15, October 2025.
  2. G. Papadopoulos, P. Drakoulis, A. Ntovas, A. Doumanoglou, D. Zarpalas, "SADAMB: Advancing Spatially-Aware Vision-Language Modeling Through Datasets, Metrics, and Benchmarks.",Computers, vol. 14, no. 10, 29 September, 2025. https://doi.org/10.3390/computers14100413
  3. G. Petmezas, V. Vanian, M. P. Rufete, E. E. I. Almaloglou, D. Zarpalas, "A Dual-Branch Fusion Model for Deepfake Detection Using Video Frames and Microexpression Features.", Journal of Imaging, vol. 11, no. 7, July 2025. https://doi.org/10.3390/jimaging11070231
  4. G. Petmezas, V. Vanian, K. Konstantoudakis, E. E. I. Almaloglou, D. Zarpalas, "Video deepfake detection using a hybrid CNN-LSTM-Transformer model for identity verification.", Multimed Tools Appl, vol. 84, pp. 40617 – 40636, March 2025. https://doi.org/10.1007/s11042-024-20548-6
  5. D. Dahlke, P. Drakoulis, A. Fernández García, S. Kaiser, S. Karavarsamis, M. Mallis, W. Oliff, G. Sakellari, A. Belmonte-Hernández, F. Alvarez, D. Zarpalas, "Seamless Fusion: Multi-Modal Localization for First Responders in Challenging Environments.",Sensors, vol. 24, no. 9, 2024. https://doi.org/10.3390/s24092864
  6. A. Doumanoglou, S. Asteriadis, D. Zarpalas, "Unsupervised Interpretable Basis Extraction for Concept-Based Visual Explanations.",In IEEE Transactions on Artificial Intelligence, vol. 5, no. 4, pp. 1496-1510, April 2024. doi: 10.1109/TAI.2023.3338169
  7. A. Coluccia, A. Fascista, L. Sommer, A. Schumann, A. Dimou, D. Zarpalas, "The Drone-vs-Bird Detection Grand Challenge at ICASSP 2023: A Review of Methods and Results.", IEEE Open Journal of Signal Processing, vol. 5, pp. 766-779, 2024, doi: 10.1109/OJSP.2024.3379073
  8. A. F. García, X. O. Biain, K. Lingos, K. Konstantoudakis, A. B. Hernández, I. A. Iragorri, D. Zarpalas, "Smart Helmet: Combining Sensors, AI, Augmented Reality, and Personal Protection to Enhance First Responders’ Situational Awareness.",IT Professional, vol. 25, no. 6, pp. 45-53, 2023.
  9. A. Doumanoglou, S. Asteriadis, D. Zarpalas, "Unsupervised Interpretable Basis Extraction for Concept–Based Visual Explanations.",IEEE Transactions on Artificial Intelligence, vol. 5, no. 4, pp. 1496-1510, April 2024.
  10. S. Karavarsamis, I. Gkika, V. Gkitsas, K. Konstantoudakis, D. Zarpalas, "A Survey of Deep Learning-Based Image Restoration Methods for Enhancing Situational Awareness at Disaster Sites: The Cases of Rain, Snow and Haze.",Sensors, vol. 22, no. 13, 2022. https://doi.org/10.3390/s22134707
  11. K. Konstantoudakis, D. Breitgand, A. Doumanoglou, N. Zioulis, A. Weit, K. Christaki, P. Drakoulis, E. Christakis, D. Zarpalas, P. Daras, "Serverless streaming for emerging media: towards 5G network-driven cost optimization.", Multimedia Tools & Applications, vol. 81, no. 9, pp. 12211-12250, 2022. https://doi.org/10.1007/s11042-020-10219-7
  12. N. Zioulis, F. Alvarez, D. Zarpalas, P. Daras, "Monocular Spherical Depth Estimation with Explicitly Connected Weak Layout Cues.",ISPRS Journal of Photogrammetry and Remote Sensing, vol. 183, pp. 269-285, 2022. https://doi.org/10.1016/j.isprsjprs.2021.10.016
  13. N. Zioulis, G. Albanis, P. Drakoulis, F. Alvarez, D. Zarpalas, P. Daras, "Hybrid Skip: A Biologically Inspired Skip Connection for the UNet Architecture.", IEEE Access, vol. 10, 2022. https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9775970
  14. N. Zioulis, F. Alvarez, D. Zarpalas, P. Daras, "Monocular spherical depth estimation with explicitly connected weak layout cues.", ISPRS Journal of Photogrammetry and Remote Sensing, vol. 183, pp. 269-285, Elsevier, 2022.
  15. A. Chatzitofis, D. Zarpalas, P. Daras, S. Kollias, "DeMoCap: Low-Cost Marker-Based Motion Capture.",International Journal of Computer Vision, vol. 129, pp. 3338–3366, 2021.
  16. N. Zioulis, F. Alvarez, D. Zarpalas, P. Daras, "Single-Shot Cuboids: Geodesics-based End-to-end Manhattan Aligned Layout Estimation from Spherical Panoramas.",Image and Vision Computing, vol. 110, June 2021.
  17. G. Albanis, N. Zioulis, A. Chatzitofis, A. Dimou, D. Zarpalas, P. Daras, "On End-To-End 6DoF Object Pose Estimation and Robustness to Object Scale.", RESCIENCE C, 2021.
  18. A. Coluccia, A. Fascista, A. Schumann, L. Sommer, A. Dimou, D. Zarpalas, M. Méndez, D. de la Iglesia, I. González, J. Mercier, "Drone vs. Bird Detection: Deep Learning Algorithms and Results from a Grand Challenge.",Sensors, vol. 21, no. 8, 2021. https://doi.org/10.3390/s21082824
  19. K. Konstantoudakis, D. Breitgand, A. Doumanoglou, N. Zioulis, A. Weit, K. Christaki, P. Drakoulis, E. Christakis, D. Zarpalas, P. Daras, "Serverless Streaming for Emerging Media: Towards 5G Network-driven Cost Optimization.",Multimedia Tools and Applications, vol. 81, pp. 12211–12250, 2021. https://doi.org/10.1007/s11042-020-10219-7
  20. A. Chatzitofis, L. Saroglou, P. Boutis, P. Drakoulis, N. Zioulis, S. Subramanyam, B. Kevelham, C. Charbonnier, P. Cesar, D. Zarpalas, S. Kollias, P. Daras, "HUMAN4D: A Human-Centric Multimodal Dataset for Motions & Immersive Media.",IEEE Access, vol. 8, pp. 176241 - 176262, 2020. https://doi.org/10.1109/ACCESS.2020.3026276
  21. R. F. Ustok, U. Acar, S. Keskin, D. Breitgand, A. Weit, P. Drakoulis, A. Doumanoglou, N. Zioulis, D. Zarpalas, P. Daras, F. Iadanza, "Service Development Kit for Media-Type Virtualized Network Services in 5G Networks.", IEEE Communications Magazine, vol. 58, no. 7, pp. 51-57, 2020. https://doi.org/10.1109/MCOM.001.1900613
  22. S. Samaras, E. Diamantidou, D. Ataloglou, N. Sakellariou, A. Vafeiadis, V. Magoulianitis, A. Lalas, A. Dimou, D. Zarpalas, K. Votis, P. Daras, D. Tzovaras, "Deep Learning on Multi Sensor Data for Counter UAV Applications – A Systematic Review",Sensors 2019, 19 (22), 4837, Special Issue: Deep Learning for Multi-Sensor Fusion. DOI: https://doi.org/10.3390/s19224837
  23. B. Takacs, Z. Vincze, H. Fassold, A. Karakottas, N. Zioulis, D. Zarpalas, P. Daras, "Hyper 360—Towards a Unified Tool Set Supporting Next Generation VR Film and TV Productions",Journal of Software Engineering and Applications (JSEA), Vol 12, Number 5, May 2019
  24. F. Alvarez, D. Breitgand, D. Griffin, P. Adriani, S. Rizou, N. Zioulis, F. Moscatelli, J. Serrano, M. Keltsch, P. Trakadas, T. Khoa Phan, A. Weit, U. Acar, O. Prieto, F. Iadanza, G. Carrozzo, H. Koumaras, D. Zarpalas, D. Jimenez, "An Edge-to-Cloud Virtualized Multimedia Service Platform for 5G Networks",IEEE Transactions on Broadcasting, Special issue on 5G for Broadband Multimedia Systems and Broadcasting, 2019.
  25. D. Ataloglou, A. Dimou, D. Zarpalas, P. Daras, "Fast and Precise Hippocampus Segmentation Through Deep Convolutional Neural Network Ensembles and Transfer Learning",, Neuroinform (2019).
  26. M. Tsourma, S. Zikos, G. Albanis, K. Apostolakis, E. Lithoxoidou, A. Drosou, D. Zarpalas, P. Daras, D. Tzovaras, "Gamification concepts for leveraging knowledge sharing in Industry 4.0",to International Journal of Serious Games, Volume 6, Issue 2, ISSN: 2384-8766, , June 2019 http://dx.doi.org/10.17083/ijsg.v6i2.273
  27. A. Doumanoglou, P. Drakoulis, N. Zioulis, D. Zarpalas, P. Daras, "Benchmarking Open-Source Static 3D Mesh Codecs for Immersive Media Interactive Live Streaming",IEEE Journal on Emerging and Selected Topics in Circuits and Systems, Feb 2019, DOI: https://doi.org/10.1109/JETCAS.2019.2898768
  28. A. Chatzitofis, D. Zarpalas, S. Kollias, P. Daras, "DeepMoCap: Deep Optical Motion Capture Using Multiple Depth Sensors and Retro-Reflectors", Sensors 2019, 19, 282, Special Issue: Depth Sensors and 3D Vision, https://doi.org/10.3390/s19020282
  29. A. Triantafyllidis, D. Filos, R. Buys, J. Claes, V. Cornelissen, E. Kouidi, A. Chatzitofis, D. Zarpalas, P. Daras, D. Walsh, C. Woods, K. Moran, N. Maglaveras, I. Chouvarda, "Computerized decision support for beneficial home-based exercise rehabilitation in patients with cardiovascular disease",, Computer Methods and Programs in Biomedicine, Volume 162, Pages 1-10, August 2018
  30. A. Doumanoglou, D. Griffin, J. Serrano, N. Zioulis, T.K. Phan, D. Jimenez, D. Zarpalas, F. Alvarez, M. Rio, P. Daras, "Quality of Experience for 3D Immersive Media Streaming",IEEE Transactions on Broadcasting, Special Issue on Quality of Experience for Advanced Broadcast Service, Volume: 64, Issue: 2, pp 379-391, June 2018.
  31. D. Alexiadis, N. Zioulis, D. Zarpalas, P. Daras, "Fast deformable model-based human performance capture and FVV using consumer-grade RGB-D sensors",ELSEVIER, Pattern Recognition, Volume 79, Pages 260-278, July 2018
  32. F. Patrona, A. Chatzitofis, D. Zarpalas, P. Daras, "Motion Analysis: Action Detection, Recognition and Evaluation based on motion capture data",Pattern Recognition, Special Issue on Articulated Motion and Deformable Objects, , Pages 612-622, April 2018 Volume 76
  33. D. Alexiadis, A. Chatzitofis, N. Zioulis, O. Zoidi, G. Louizis, D. Zarpalas, P. Daras, "An integrated platform for live 3D human reconstruction and motion capturing",IEEE Transactions on Circuits and Systems for Video Technology, 27(4), 798 – 813, April 2017
  34. A. Doumanoglou, D. Alexiadis, D. Zarpalas, P. Daras, "Towards Real-Time and Efficient Compression of Human Time-Varying-Meshes",IEEE Transactions on Circuits and Systems for Video Technology, Vol: 24, Issue: 12, Dec 2014
  35. D. Zarpalas, P. Gkontra, P. Daras, N. Maglaveras, "Accurate and fully Automatic Hippocampus Segmentation using subject-specific 3D Optimal Local Maps into a hybrid Active Contour Model",, IEEE Journal of Translational Engineering in Health and Medicine, Vol. 2, June 2014, doi: 10.1109/JTEHM.2014.2297953
  36. D. Zarpalas, P. Gkontra, P. Daras, N. Maglaveras, "Gradient based Reliability Maps for ACM based Segmentation of Hippocampus",, IEEE Transactions on BioMedical Engineering, Vol: 61, Issue: 4, April 2014, doi: 10.1109/TBME.2013.2293023
  37. D. Alexiadis, D. Zarpalas, P. Daras, "Real-time, full 3-D reconstruction of moving foreground objects from multiple consumer depth cameras",IEEE Transactions on Multimedia, VOL. 15, NO. 2, pp. 339-358, February 2013, IEEE Distinguished paper, IEEE MMTC R-Letter Vol 4, No 3, June2013
  38. A. Aggoun, E. Tsekleves, D. Zarpalas, P. Daras, A. Dimou, L. Soares, P. Nunes, "Immersive 3D Holoscopic Video System",IEEE Multimedia Magazine, Special Issue on 3D Imaging Techniques and Multimedia Applications, Vol. 20, Issue 1, pp. 28-37, Jan-Mar 2013
  39. D. Zarpalas, E. Fotiadou, I. Biperis, P. Daras, "Anchoring Graph Cuts towards Accurate Depth Estimation in Integral Images",IEEE/OSA Journal of Display Technology, IEEE/OSA Journal of Display Technology, VOL. 8, NO. 7, Pages: 405 - 417, July 2012
  40. D. Zarpalas, P. Daras, A. Axenopoulos, D. Tzovaras, M. G. Strintzis, "3D Model Search and Retrieval Using the Spherical Trace Transform",Eurasip Journal on Advances in Signal Processing, Vol.2007, article ID 23912, pp. 1-14, Jan 2007, doi:10.1155/2007/23912
  41. P. Daras, D. Zarpalas, A. Axenopoulos, D. Tzovaras, M. G. Strintzis, "3D Shape-Structure Comparison Method for Protein Classification",IEEE/ACM transactions on Computational Biology and Bioinformatics, Vol. 3, No. 3, pp. 193-207, Jul 2006
  42. P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "Efficient 3D model search and retrieval using generalized 3D radon transforms", IEEE Transactions on Multimedia, Volume 8, No 1, pp. 101-114, Feb 2006.

Δημοσιεύσεις Σε Συνέδρια

  1. P. Frasiolas, G. A. Cheimariotis, P. K. Papadopoulos, D. Zarpalas, "HAME-NeRF: High Accuracy Mesh Extraction Leveraging Neural Radiance Fields.", in Proceedings of the 21st International Conference, CAIP 2025, Las Palmas de Gran Canaria, Spain, September 22–25, 2025, pp 330–340. https://doi.org/10.1007/978-3-032-04968-1_28
  2. G. A. Cheimariotis, A. Karakottas, V. Chatzis, A. Kanlis, D. Zarpalas, "Image Valuation in NeRF-Based 3D Reconstruction.", in Proceedings of the 21st International Conference, CAIP 2025, Las Palmas de Gran Canaria, Spain, September 22–25, 2025, pp 375–385. https://doi.org/10.1007/978-3-032-04968-1_32
  3. Y. Kaltampanidis, A. Doumanoglou, D. Zarpalas, "Which Direction to Choose? An Analysis on the Representation Power of Self-Supervised ViTs in Downstream Tasks.",in Proceedings of the 3rd World Conference on eXplainable Artificial Intelligence (XAI), Instabul, Turkey, 2025. https://zenodo.org/records/15148769
  4. V. Vanian, G. Petmezas, K. Konstantoudakis, D. Zarpalas, "XDF: A Large-Scale Dataset for Evaluating Video Deepfake Detection Across Multiple Manipulation Techniques.", in Proceedings of the 4th ACM International Workshop on Multimedia AI against Disinformation (MAD' 25), Chicago, USA, 30 June - 3 July, 2025, pp. 37–44. https://doi.org/10.1145/3733567.3735569
  5. V. Vanian, G. Petmezas, E. E. I. Almaloglou, D. Zarpalas, "MGAMNET: A Mask-Guided Attention Network for Deepfake Detection.", in Proceedings of the 25th International Conference on Digital Signal Processing (DSP), Pylos (Messinia, Southwest Peloponnese), Greece, June 2025, pp. 1-5, doi: 10.1109/DSP65409.2025.11075024
  6. V. Vazgken, G. Petmezas, K. Konstantoudakis, D. Zarpalas, "ReenactFaces: A Specialized Dataset for Reenactment-Based Deepfake Detection.", in Proceedings of the International Conference on Advanced Information Networking and Applications, Barcelona, Spain, April 2025, pp. 385-394.
  7. A. Reppas, G. A. Cheimariotis, P. K. Papadopoulos, P. Frasiolas, D. Zarpalas, "HAL-NeRF: High Accuracy Localization Leveraging Neural Radiance Fields.", in Proceedings of the 2025 IEEE International Conference on Artificial Intelligence and eXtended and Virtual Reality (AIxVR), Lisbon, Portugal, January 2025, pp. 117-124, doi: 10.1109/AIxVR63409.2025.00024
  8. P. Frasiolas, A. Reppas, K. Konstantoudakis, D. Zarpalas, "Lightweight single image dehazing utilizing relative depth information.", in Proceedings of the WSCG 2024–32nd International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision.
  9. A. Doumanoglou, D. Zarpalas, K. Driessens, "Concept Basis Extraction for Latent Space Interpretation of Image Classifiers.",in Proceedings of the 19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2024), vol. 3: VISAPP, pp. 417-424.
  10. G. Papadopoulos, A. Doumanoglou, D. Zarpalas, "VRGestures: Controller and Hand Gesture Datasets for Virtual Reality.", in Proceedings of the CGI2023, Shanghai, China, 2023. https://zenodo.org/records/8027807
  11. I. Gkika, D. Pattas, K. Konstantoudakis, D. Zarpalas, "Object detection and augmented reality annotations for increased situational awareness in light smoke conditions.",in Proceedings of the 20th International ISCRAM Conference, J. Radianti, I. Dokas, N. Lalone, and D. Khazanchi, Eds., Omaha, USA: University of Nebraska at Omaha, 2023, pp. 231–241.
  12. A. Kanlis, V. Vanian, S. Karvarsamis, I. Gkika, K. Konstantoudakis, D. Zarpalas, "SynthRSF: A Novel Photorealistic Synthetic Dataset for Adverse Weather Condition Denoising.", in Proceedings of the VISAPP: 19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, 2023. https://www.scitepress.org/Papers/2024/123977/123977.pdf
  13. S. Karavarsamis, A. Doumanoglou, K. Konstantoudakis, D. Zarpalas, "Cross-Stitched Multi-task Dual Recursive Networks for Unified Single Image Deraining and Desnowing.", in Proceedings of the 8th IEEE World Forum on Internet of Things 2022,15 November 2022. https://arxiv.org/abs/2211.08290
  14. A. Coluccia, A. Fascista, A. Schumann, L. Sommer, A. Dimou, D. Zarpalas, N. Sharma, M. Nalamati, O. Eryuksel, K. Ozfuttu, F. Akyon, K. Sahin, E. Buyukborekci, D. Cavusoglu, S. Altinuc, D. Xing, H. Unlu, N. Evangeliou, A. Tzes, A. Nayak, M. Bouazizi, T. Ahmad, A. Gonçalves, B. Rigault, R. Jain, Y. Matsuo, H. Prendinger, E. Jajaga, V. Rushiti, B. Ramadani, D. Pavleski, "Drone-vs-Bird Detection Challenge at ICIAP 2021.", in Proceedings of the ICIAP 2022 Workshops: ICIAP International Workshops, Lecce, Italy, May 23–27, 2022, Revised Selected Papers, Part II, pp. 410–421.
  15. R. Whitehand, G. Albanis, N. Zioulis, W. Bailer, D. Zarpalas, P. Daras, "Towards User Generated AR Experiences: Enable consumers to generate their own AR experiences for planning indoor spaces.", in Proceedings of the IMX 2021: ACM International Conference on Interactive Media Experiences, Virtual, 2022. https://dl.acm.org/doi/pdf/10.1145/3452918.3465495
  16. W. Bailer, V. Gkitsas, P. Drakoulis, R. Huemer, D. Zarpalas, "Indoor Planning Using Diminished and Augmented Reality.", in Proceedings of the 1st Int. Workshop on Analytics, Learning & Collaboration in eXtended Reality, IMX XRWALC 2022, Virtual, 2022.
  17. G. Albanis, V. Gkitsas, N. Zioulis, S. Onsori-Wechtitsch, R. Whitehand, P. Ström, D. Zarpalas, "An AI-based system offering automatic DR-enhanced AR for indoor scenes.",in Proceedings of the International Conference on Artificial Intelligence and Virtual Reality (AIVR) 2022, Virtual, 2022.
  18. V. Gkitsas, N. Zioulis, V. Sterzentsenko, A. Doumanoglou, D. Zarpalas, "Towards Full-to-Empty Room Generation with Structure-Aware Feature Encoding and Soft Semantic Region-Adaptive Normalization.", in Proceedings of the VISIGRAPP 2021: International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications., Virtual, 2022. https://arxiv.org/pdf/2112.05396.pdf
  19. A. Doumanoglou, N. Zioulis, V. Sterzentsenko, A. Karakottas, D. Zarpalas, P. Daras, "Benchmarking Gradient-Free Optimizers for 3D Performance Capture in the Nevergrad Platform.", in Proceedings of the Genetic and Evolutionary Computation Conference, July 10-14, 2021.
  20. A. Doumanoglou, P. Drakoulis, K. Christaki, N. Zioulis, V. Sterzentsenko, A. Karakottas, D. Zarpalas, P. Daras, "Zeroth-Order Optimizer Benchmarking for 3D Performance Capture.",in Proceedings of the Genetic and Evolutionary Computation Conference, July 10-14, 2021.
  21. G. Albanis, N. Zioulis, P. Drakoulis, V. Gkitsas, V. Sterzentsenko, F. Alvarez, D. Zarpalas, P. Daras, "Pano3D: A Holistic Benchmark and a Solid Baseline for 360 Depth Estimation.",in Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), June, 2021.
  22. V. Gkitsas, V. Sterzentsenko, N. Zioulis, G. Albanis, D. Zarpalas, "PanoDR: Spherical Panorama Diminished Reality for Indoor Scenes.",in Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), June, 2021.
  23. G. Albanis, N. Zioulis, P. Drakoulis, F. Alvarez, D. Zarpalas, P. Daras, "A Benchmark with Decomposed Distribution Shifts for 360 Monocular Depth Estimation.", in Proceedings of the Conference on Neural Information Processing Systems, 2021.
  24. E. Zell, F. Castan, S. Gasparini, A. Hilsmann, M. Kazhdan, A. Tagliasacchi, D. Zarpalas, N. Zioulis, "Volumetric Video - Acquisition, Compression, Interaction and Perception.",in Proceedings of the Eurographics Conferences (Virtual), 2021. https://doi.org/10.2312/egt.20211035
  25. H. Yuan, R. Veltkamp, G. Albanis, N. Zioulis, D. Zarpalas, P. Daras, "SHREC 2020 Track: 6D Object Pose Estimation.",in Proceedings of the Eurographics Workshop on 3D Object Retrieval, 2020. https://doi.org/10.2312/3dor.20201164
  26. G. Albanis, N. Zioulis, A. Dimou, D. Zarpalas, P. Daras, "DronePose: Photorealistic UAV-Assistant Dataset Synthesis for 3D Pose Estimation via a Smooth Silhouette Loss.",in Proceedings of the European Conference on Computer Vision Workshops (ECCVW), Glasgow, UK, August 23-28, 2020.
  27. V. Gkitsas, N. Zioulis, F. Alvarez, D. Zarpalas, P. Daras, "Deep Lighting Environment Map Estimation from Spherical Panoramas.",in Proceedings of the 2020 Conference on Computer Vision and Pattern Recognition (CVPR), IEEE, June 2020.
  28. A. Karakottas, N. Zioulis, A. Doumanglou, V. Sterzentsenko, V. Gkitsas, D. Zarpalas, P. Daras, "XR360: A toolkit for mixed 360 and 3D productions.",in Proceedings of the IEEE International Conference on Multimedia and Expo (ICME), June 2020.
  29. K. Konstantoudakis, G. Albanis, E. Christakis, N. Zioulis, A. Dimou, D. Zarpalas, P. Daras, "Single-handed Gesture UAV Control for First Responders – A Usability and Performance User Study.",in Proceedings of the International Conference on Information Systems for Crisis Response and Management (ISCRAM), 2020.
  30. V. Sterzentsenko, A. Doumanoglou, S. Thermos, N. Zioulis, D. Zarpalas, P. Daras, "Deep Soft Procrustes for Markerless Volumetric Sensor Alignment.",in Proceedings of the 2020 International Conference on Virtual Reality (IEEE VR), March 2020.
  31. R. Athanasoulas, P. Boutis, A. Chatzitofis, A. Doumanoglou, P. Drakoulis, L. Saroglou, V. Sterzentsenko, N. Zioulis, D. Zarpalas, P. Daras, "AVoidX: An Augmented VR Game.",in Proceedings of the 2020 International Conference on Virtual Reality (IEEE VR), March 2020.
  32. P. Athanasoulis, E. Christakis, K. Konstantoudakis, P. Drakoulis, S. Rizou, A. Weitz, A. Doumanoglou, N. Zioulis, D. Zarpalas, "Optimizing QoE and Cost in a 3D Immersive Media Platform: A Reinforcement Learning Approach.",in Proceedings of the International Conference on Advances in Multimedia (MMEDIA), Februrary 2020.
  33. V. Sterzentsenko, L. Saroglou, A. Chatzitofis, S. Thermos, N. Zioulis, A. Doumanoglou, D. Zarpalas, P. Daras, "Self-Supervised Deep Depth Denoising",In Proceedings of the IEEE International Conference on Computer Vision, 2019 (pp. 1242-1251)
  34. S. Samaras, V. Magoulianitis, A. Dimou, D. Zarpalas, P. Daras, "UAV Classification With Deep Learning Using Surveillance Radar Data",In Proceedings of the 12th International Conference on Computer Vision Systems (ICVS), Springer, Cham, 2019.
  35. A. Coluccia, A. Fascista, A. Schumann, L. Sommer, M. Ghenescu, T. Piatrik, G. De Cubber, M. Nalamati, A. Kapoor, M. Saqib, N. Sharma, M. Blumenstein, V. Magoulianitis, D. Ataloglou, A. Dimou, D. Zarpalas, P. Daras, C. Craye, S. Ardjoune, D. De la Iglesia, M. Mandez, R.l Dosil, I. Gonzalez, "Drone-vs-Bird Detection Challenge at IEEE AVSS2019",16th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS), Taipei, Taiwan, 18-21 Sept. 2019
  36. V. Magoulianitis, D. Ataloglou, A. Dimou, D. Zarpalas, P. Daras, "Does Deep Super-Resolution Enhance UAV Detection?",16th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS), Taipei, Taiwan, 18-21 Sept. 2019
  37. N. Zioulis, A. Karakottas, D. Zarpalas, F. Alvarez, P. Daras, "Spherical View Synthesis for 360o Self-Supervised Depth Estimation",The 7th International Conference on 3D Vision (3DV), Quebec City, Canada, 16-19 September 2019
  38. A. Karakottas, N. Zioulis, S. Samaras, D. Ataloglou, V. Gkitsas, D. Zarpalas, P. Daras, "360o Surface Regression with a Hyper-Sphere Loss",The 7th International Conference on 3D Vision (3DV), Quebec City, Canada, 16-19 September 2019
  39. K. Christaki, K. Apostolakis, A. Doumanoglou, N. Zioulis, D. Zarpalas, P. Daras, "Space Wars: An AugmentedVR Game",25th International Conference on MultiMedia Modeling (MMM), Thessaloniki, Greece, January 8-11, 2019.
  40. K. Christaki, E. Christakis, P. Drakoulis, A. Doumanoglou, N. Zioulis, D. Zarpalas, P. Daras, "Subjective Visual Quality Assessment of Immersive 3D Media Compressed by Open-Source Static 3D Mesh Codecs",25th International Conference on MultiMedia Modeling (MMM), Thessaloniki, Greece, January 8-11, 2019.
  41. V. Sterzentsenko, A. Karakottas, A. Papachristou, N. Zioulis, A. Doumanoglou, D. Zarpalas, P. Daras, "A low-cost, flexible and portable volumetric capturing system",The 14th International Conference on Signal Image Technology & Internet based Systems (SITIS 2018), Las Palmas de Gran Canaria, Spain, 26-29 November 2018.
  42. K. Konstantoudakis, E. Christakis, P. Drakoulis, A. Doumanoglou, N. Zioulis, D. Zarpalas, P. Daras, "Comparing CNNs and JPEG for Real-Time Multi-view Streaming in Tele-Immersive Scenarios",The 14th International Conference on Signal Image Technology & Internet based Systems (SITIS 2018), Las Palmas de Gran Canaria, Spain, 26-29 November 2018.
  43. S. Aromaa, M. Liinasuo, E. Kaasinen, M. Bojko, F. Schmalfuß, K. Apostolakis, D. Zarpalas, P. Daras, C. Ozturk, M. Boubekeuer, "User Evaluation of Industry 4.0 Concepts for Worker Engagement.",In International Conference on Human Systems Engineering and Design: Future Trends and Applications (pp. 34-40), 2018, October. Springer, Cham.
  44. N. Zioulis, A. Karakottas, D. Zarpalas, P. Daras, "OmniDepth: Dense Depth Estimation for Indoors Spherical Panoramas",European Conference on Computer Vision (ECCV), Munich, Germany, 8 – 14 September 2018
  45. A. Karakottas, N. Zioulis, D. Zarpalas, P. Daras, "360D: A dataset and baseline for dense depth estimation from 360 images",1st Workshop on 360o Perception and Interaction, European Conference on Computer Vision (ECCV) , Munich, Germany, 8 – 14 September 2018
  46. G. Albanis, K. Apostolakis, C. Ozturk, D. Zarpalas, P. Daras, "Adaptive web-based tools for capability-driven workforce management and task sequencing optimization",International Conference on Industrial Internet of Things and Smart Manufacturing (IoTsm 2018), London, UK, 5-6 Sep. 2018.
  47. X. Chen, M. Bojko, R. Riedel, K. Apostolakis, D. Zarpalas, P. Daras, "Human-centred Adaptation and Task Distribution utilizing Levels of Automation",16th IFAC Symposium on Information Control Problems in Manufacturing (INCOM 2018) 11-13 June 2018, Bergamo, Italy
  48. A. Doumanoglou, N. Zioulis, D. Griffin, J. Serrano, T. Khoa Phan, D. Jimenez, D. Zarpalas, F. Alvarez, M. Rio, P. Daras, "A System Architecture for Live Immersive 3D-Media Transcoding over 5G Networks", Workshop on Media delivery innovations using flexible network models in 5G, IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB18), Valencia, Spain, 6th – 8th June 2018
  49. A. Doumanoglou, N. Zioulis, E. Christakis, D. Zarpalas, P. Daras, "Subjective quality assessment of textured human full-body 3D-reconstructions", International Conference on Quality of Multimedia Experience (QoMEX 2018), Sardinia, Italy, 29 May - 1 June 2018
  50. A. Papachristou, N. Zioulis, D. Zarpalas, P. Daras, "Markerless Structure-based Multi-sensor Calibration for Free Viewpoint Video Capture",the 26th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG 2018), Pilsen, Czech Republic, May 28 - June 1, 2018
  51. A. Karakottas, A. Papachristou, A. Doumanoglou, N. Zioulis, D. Zarpalas, P. Daras, "Augmented VR",IEEE VR, Reutlingen, Germany, 18-22 March 2018, https://www.youtube.com/watch?v=7O_TrhtmP5Q
  52. A. Chatzitofis, D. Zarpalas, P. Daras, "A computerized system for real-time exercise performance monitoring and e-coaching using motion capture data",International Conference on Biomedical and Health Informatics Thessaloniki, Greece, 18-21 November 2017
  53. A. Triantafyllidis, D. Filos, R. Buys, J. Claes, V. Cornelissen, E. Kouidi, A. Chatzitofis, D. Zarpalas, P. Daras, I. Chouvarda, N. Maglaveras, "A Computer-Assisted System with Kinect Sensors and Wristband Heart Rate Monitors for Group Classes of Exercise-based Rehabilitation",International Conference on Biomedical and Health Informatics Thessaloniki, Greece, 18-21 November 2017
  54. N. Zioulis, A. Papachristou, D. Zarpalas, P. Daras, "Improving Camera Pose Estimation via Temporal EWA Surfel Splatting",IEEE International Symposium on Mixed and Augmented Reality (ISMAR 2017), Nantes, France, October 9–13, 2017
  55. A. Chatzitofis, D. Zarpalas, D. Filos, A. Triantafyllidis, I. Chouvarda, N. Maglaveras, P. Daras, "Technological module for unsupervised, personalized cardiac rehabilitation exercising",Proceedings of the 2017 IEEE 41st Annual Computer Software and Applications Conference (COMPSAC 2017), July 4-8, 2017, Turin, Italy.
  56. K. Moran, H. Wei, D.S. Monaghan, C. Woods, N.E. O’Connor, D. Zarpalas, A. Chatzitofis, P. Daras, J. Piesk, A. Pomazanskyi, "A Technology Platform for Enabling Behavioural Change as a “PATHway” Towards Better Self-management of CVD",Proceedings of the 2016 ACM Workshop on Multimedia for Personal Health and Health Care (MMHealth 2016), Oct 16, 2016 - Oct 16, 2016, Amsterdam, the Netherlands
  57. N. Zioulis, D. Alexiadis, A. Doumanoglou, G. Louizis, K. Apostolakis, D. Zarpalas, P. Daras, "3D Tele-Immersion Platform For Interactive Immersive Experiences Between Remote Users",IEEE International Conference on Image Processing, ICIP 2016, Sept 25-28, Phoenix, Arizona, USA
  58. N. Vretos, D. Alexiadis, D. Zarpalas, P. Daras, "Enhancing Real Time 3D reconstruction with pre scanned meshes",IEEE International Conference on Image Processing, ICIP 2016, Sept 25-28, Phoenix, Arizona, USA
  59. A. Chatzitofis, D. Zarpalas, P. Daras, "Low-cost Motion Analysis for Cardiovascular Disease Patients",IET Human Motion Analysis for Healthcare Applications Event, 19 May 2016, London, United Kingdom
  60. D. Monaghan, F. Honohan, E. Mitchell, N. O’Connor, A. Chatzitofis, D. Zarpalas, P. Daras, "HeartHealth: New Adventures in Serious Gaming",ACMMULTIMEDIA 2015, 26 - 30 October 2015, Brisbane, Australia
  61. F. Destelle, A. Ahmadi, K. Moran, N. E. O'Connor, N. Zioulis, A. Chatzitofis, D. Zarpalas, P. Daras, L. Unzueta, J. Goenetxea, M. Rodriguez, M. T. Linaza, Y. Tisserand, N. Magnenat-Thalmann, "A Multi-Modal 3D Capturing Platform for Learning and Preservation of Traditional Sports and Games",23rd ACM Multimedia Conference 2015, 26-30 Oct 2015, Brisbane, Australia
  62. A. Chatzitofis, D. Monaghan, E. Mitchell, F. Honohan, D. Zarpalas, N. O’Connor, P. Daras, "HeartHealth: A Cardiovascular Disease Home-Based Rehabilitation System",5th International Conference on Current and Future Trends of Information and Communication Technologies in Healthcare, ICTH 2015.
  63. S. Crowle, A. Doumanoglou, B. Poussard, M. Boniface, D. Zarpalas, P. Daras, "Dynamic Adaptive Mesh Streaming for Real-time 3D Teleimmersion",20th International Conference on Web 3D Technology, Heraklion, Crete, Greece, June 18-21, 2015
  64. D. Alexiadis, D. Zarpalas, P. Daras, "Fast and smooth 3D reconstruction using multiple RGB-Depth sensors",IEEE International Conference on Visual Communications and Image Processing, VCIP 2014, Dec 7-10, Valletta, Malta
  65. D. Alexiadis, A. Doumanoglou, D. Zarpalas, P. Daras, "A case study for tele-immersion communication applications: from 3D capturing to rendering",IEEE International Conference on Visual Communications and Image Processing, VCIP 2014, Dec 7-10, Valletta, Malta
  66. N.E. O’Connor, Y. Tisserand, A. Chatzitofis, F. Destelle, J. Goenetxea, L. Unzueta, D. Zarpalas, P. Daras, M. Linaza, K. Moran, N. Magnenat Thalmann, "Interactive Games for Preservation and Promotion of Sporting Movements",22nd European Signal Processing Conference (EUSIPCO 2014), Lisbon, Portugal, 2-5 Sept. 2014
  67. F. Destelle, A. Ahmadi, A. Chatzitofis, D. Zarpalas, N.E. O’Connor, K. Moran, P. Daras, "Low-cost Accurate Skeleton Tracking Based on Fusion of Kinect and Wearable Inertial Sensors",22nd European Signal Processing Conference (EUSIPCO 2014), Lisbon, Portugal, 2-5 Sept. 2014
  68. B. Poussard, S. Richir, J. Vatjus-Anttila, S. Asteriadis, D. Zarpalas, P. Daras, "3DLIVE: A Multi-Modal Sensing Platform Allowing Tele-Immersive Sports Applications",22nd European Signal Processing Conference (EUSIPCO 2014), Lisbon, Portugal, 2-5 Sept. 2014
  69. A. Doumanoglou, D. Alexiadis, S. Asteriadis, D. Zarpalas, P. Daras, "On human time-varying mesh compression exploiting activity-related characteristics",IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), FLORENCE, ITALY, MAY 4-9, 2014
  70. D. Alexiadis, D. Zarpalas, P. Daras, "Real-time, Realistic Full-body 3D Reconstruction and Texture Mapping from Multiple Kinects",11th IEEE IVMSP Workshop: 3D Image/Video Technologies and Applications, Yonsei University, Seoul, Korea, 10-12 June 2013, best paper award
  71. A. Doumanoglou, S. Asteriadis, D. Alexiadis, D. Zarpalas, P. Daras, "A Dataset of Kinect-based 3D scans",11th IEEE IVMSP Workshop: 3D Image/Video Technologies and Applications, Yonsei University, Seoul, Korea, 10-12 June 2013
  72. S. Asteriadis, A. Chatzitofis, D. Zarpalas, D. Alexiadis, P. Daras, "Estimating human motion from multiple Kinect Sensors",Mirage 2013, 6th International Conference on Computer Vision / Computer Graphics Collaboration Techniques and Applications, June 6–7, 2013, Berlin, Germany
  73. D. Zarpalas, P. Gkontra, P. Daras, N. Maglaveras, "Hippocampus segmentation through gradient based reliability maps for local blending of ACM energy terms",IEEE International Symposium on Biomedical Imaging (ISBI), San Francisco, USA, 7-11 April, 2013
  74. A. Chatzitofis, N. Vretos, D. Zarpalas, P. Daras, "Three-dimensional Monitoring of Weightlifting for Computer Assisted Training",15th International Conference on Virtual Reality and Converging Technologies, Laval, France, 2013
  75. D. Zarpalas, P. Gkontra, P. Daras, N. Maglaveras, "Segmentation through a local and adaptive weighting scheme, for contour-based blending of image and prior information",The 25th IEEE International Symposium on Computer-Based Medical Systems (CBMS 2012), Rome, Italy, 20-22 June 2012.
  76. D. Zarpalas, P. Gkontra, P. Daras, N. Maglaveras, "Hippocampus segmentation by optimizing the local contribution of image and prior terms, through graph cuts and multi-atlas",IEEE International Symposium on Biomedical Imaging (ISBI 2012), Barcelona, Spain, 2-5 May 2012
  77. D. Zarpalas, A. Zafeiropoulos, P. Daras, N. Maglaveras, "Hippocampus Segmentation using a Local Prior Model on its Boundary",International Conference on Machine Vision, Image Processing, and Pattern Analysis (ICMVIPPA 2011), Venice, Italy, November 28-30, 2011.
  78. D. Zarpalas, A. Zafeiropoulos, P. Daras, N. Maglaveras, M. G. Strintzis, "Brain Structures Segmentation using Optimum Global and Local Weights on Mixing Active Contours and Neighboring Constraints",International Symposium on Applied Sciences in Biomedical and Communication Technologies, ISABEL 2011, Barcelona, Spain, October 26-29, 2011.
  79. D. Zarpalas, G. Kordelas, P. Daras, "Recognizing 3D Objects in cluttered scenes using projection images",IEEE International Conference on Image Processing, ICIP 2011, Sep 11-14, Brussels
  80. D. Zarpalas, I. Biperis, E. Fotiadou, E. Lyka, P. Daras, M. G. Strintzis, "Depth estimation in integral images by anchoring optimization techniques",2011 IEEE International Conference on Multimedia & Expo (ICME 2011), July 11-15, 2011, Barcelona, Spain
  81. P. Daras, D. Tzovaras, A. Mademlis, A. Axenopoulos, D. Zarpalas, M. G. Strintzis, "3D search and retrieval using Krawtchouk moments",3D Shape Retrieval Contest (SHREC2006), Technical report, UU-CS-2006-030, ISSN: 0924-3275, June 2006.
  82. P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "3D Shape-Based Techniques for Protein Classification", IEEE International Conference on Image Processing (ICIP 2005), Genova, Italy, Sep. 2005, vol-II, pp. 1130-1133.
  83. A. Axenopoulos, P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "3D content-based search and retrieval using the 2D polar wavelet transform", IEEE International Conference on Image Processing (ICIP 2005), Genova, Italy, Sep. 2005, vol-II, pp. 1146-1149.
  84. P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "Search and retrieval of 3D protein structures", 6th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS’05), Montreux, Switzerland, Apr. 2005.
  85. P. Daras, D. Zarpalas, D. Tzovaras, M. G.Strintzis, "Protein Matching using Geometrical Characteristics", 6th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2005), Montreux, Switzerland, Apr. 2005.
  86. D. Zarpalas, P. Daras, D. Tzovaras, M. G.Strintzis, "3D Model Search and Retrieval Based on Fourier Transforms", 6th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2005), Montreux, Switzerland, Apr 2005
  87. D. Zarpalas, P. Daras, D. Tzovaras, M. G. Strintzis, "3D shape descriptors based on Fourier transforms", 6th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS’05), Montreux, Switzerland, Apr. 2005.
  88. P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "Watermarking of 3D Models for Data Hiding", IEEE International Conference on Image Processing (ICIP’04), Singapore, Oct. 2004, Vol. 1, pp. 47-50.
  89. P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "3D Model Search and Retrieval Based on the Spherical Trace Transform", IEEE International Workshop on Multimedia Signal Processing (MMSP’04), Siena, Italy, Oct. 2004, pp. 335-338.
  90. P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "Shape Matching Using the 3D Radon Transform", 3D Data Processing, Visualization & Transmission (3DPVT’04), Thessaloniki, Greece, Sep. 2004.
  91. P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "3D Model Watermarking for Indexing Using the Generalized Radon Transform", 3D Data Processing, Visualization & Transmission (3DPVT’04), Thessaloniki, Greece, Sep. 2004.
  92. D. Zarpalas, P. Daras, D. Tzovaras, M. G. Strintzis, "3D Model Search and Retrieval Based on the 3D Radon Transform", International Conference on Communications (ICC’04), Multimedia Technologies and Services Symposium (MMTS), Paris, France, Jun. 2004.
  93. P. Daras, D. Zarpalas, D. Tzovaras, M. G. Strintzis, "Generalized Radon Transform Based 3D Feature Extraction for 3D Object Retrieval", 5th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS’04), Lisboa, Portugal, Apr. 2004.

Κεφάλαια Βιβλίων

  1. S. Zikos, G. Albanis, M. Tsourma, A. Drosou, D. Zarpalas, P. Daras, D. Tzovaras, "Human-centred Factories from Theory to Industrial Practice. Lessons Learned and Recommendations.",ACE Factories Cluster White Paper, October 2019.
  2. K. Apostolakis, N. Zioulis, A. Doumanoglou, D. Alexiadis, D. Zarpalas, P. Daras, "Beyond Online Multiplayer: Sharing and augmenting Tele-Immersive 3D game experiences with multiple geographically distributed users",IEEE COMSOC MMTC Communications – Frontiers, Vol. 12, No. 1, January 2017
  3. Y. Tisserand, N. Magnenat-Thalmann, L. Unzueta, M.T. Linaza, A. Ahmadi, N.E. O'Connor, N. Zioulis, D. Zarpalas, P. Daras, "Preservation and Gamification of Traditional Sports.",Mixed Reality and Gamification for Cultural Heritage, Springer-Nature, M Ioannides, N. Magnenat-Thalmann, G. Papagiannakis (Eds), ISBN 978-3-319-49607-8, DOI 10.1007/978-3-319-49607-8, 2016.
  4. P. Daras, D. Zarpalas, D. Tzovaras, D. Simitopoulos, M. G. Strintzis, "Combined Indexing and Watermarking of 3D Models using the Generalized 3D Radon Transforms", Multimedia Security Handbook, B.Fuhrt and D.Kirouski Eds, CRC Press, pp 733-758, ISBN 0-8493-2773-3, December 2004