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ORCIDNiki Efthymiou
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- affiliation: National Technical University of Athens, School of Electrical & Computer Engineering, Greece
- affiliation: Athena Research and Innovation Center, Maroussi, Greece
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Journal Articles
- 2023
[j5]George Retsinas
, Niki Efthymiou, Dafni Anagnostopoulou, Petros Maragos:
Mushroom Detection and Three Dimensional Pose Estimation from Multi-View Point Clouds. Sensors 23(7): 3576 (2023)- 2022
- [j4]Niki Efthymiou, Panagiotis Paraskevas Filntisis, Petros Koutras, Antigoni Tsiami, Jack Hadfield, Gerasimos Potamianos, Petros Maragos:
ChildBot: Multi-robot perception and interaction with children. Robotics Auton. Syst. 150: 103975 (2022) - [j3]Athanasia Zlatintsi, Panagiotis Paraskevas Filntisis, Christos Garoufis, Niki Efthymiou, Petros Maragos, Andreas Menychtas, Ilias Maglogiannis, Panayiotis Tsanakas, Thomas Sounapoglou, Emmanouil Kalisperakis, Thomas Karantinos, Marina Lazaridi, Vasiliki Garyfalli, Asimakis Mantas, Leonidas Mantonakis, Nikolaos Smyrnis:
E-Prevention: Advanced Support System for Monitoring and Relapse Prevention in Patients with Psychotic Disorders Analyzing Long-Term Multimodal Data from Wearables and Video Captures. Sensors 22(19): 7544 (2022) - 2019
- [j2]Panagiotis Paraskevas Filntisis, Niki Efthymiou, Petros Koutras, Gerasimos Potamianos, Petros Maragos:
Fusing Body Posture With Facial Expressions for Joint Recognition of Affect in Child-Robot Interaction. IEEE Robotics Autom. Lett. 4(4): 4011-4018 (2019) - 2017
- [j1]Athanasia Zlatintsi, Petros Koutras, Georgios Evangelopoulos, Nikolaos Malandrakis, Niki Efthymiou, Katerina Pastra, Alexandros Potamianos, Petros Maragos:
COGNIMUSE: a multimodal video database annotated with saliency, events, semantics and emotion with application to summarization. EURASIP J. Image Video Process. 2017: 54 (2017)
Conference and Workshop Papers
- 2024
- [c22]Panagiotis Paraskevas Filntisis, Niki Efthymiou, George Retsinas, Athanasia Zlatintsi, Christos Garoufis, Thomas Sounapoglou, Panayotis Tsanakas, Nikolaos Smyrnis, Petros Maragos:
The 2nd E-Prevention Challenge: Psychotic and Non-Psychotic Relapse Detection Using Wearable-Based Digital Phenotyping. ICASSP Workshops 2024: 125-126 - [c21]Niki Efthymiou, George Retsinas, Panagiotis Paraskevas Filntisis, Petros Maragos:
Augmenting Transformer Autoencoders with Phenotype Classification for Robust Detection of Psychotic Relapses. ICASSP 2024: 2061-2065 - 2023
- [c20]George Retsinas, Niki Efthymiou, Petros Maragos:
Mushroom Segmentation and 3D Pose Estimation from Point Clouds using Fully Convolutional Geometric Features and Implicit Pose Encoding. CVPR Workshops 2023: 6264-6271 - [c19]Dafni Anagnostopoulou, George Retsinas, Niki Efthymiou, Panayiotis Paraskevas Filntisis, Petros Maragos:
A Realistic Synthetic Mushroom Scenes Dataset. CVPR Workshops 2023: 6282-6289 - [c18]E. Fekas, Athanasia Zlatintsi, Panagiotis Paraskevas Filntisis, Christos Garoufis, Niki Efthymiou, Petros Maragos:
Relapse Prediction from Long-Term Wearable Data Using Self-Supervised Learning and Survival Analysis. ICASSP 2023: 1-5 - [c17]Athanasia Zlatintsi, Panagiotis Paraskevas Filntisis, Niki Efthymiou, Christos Garoufis, George Retsinas, Thomas Sounapoglou, Ilias Maglogiannis, Panayiotis Tsanakas, Nikolaos Smyrnis, Petros Maragos:
E-Prevention: The ICASSP-2023 Challenge on Person Identification and Relapse Detection from Continuous Recordings of Biosignals. ICASSP 2023: 1-2 - [c16]Niki Efthymiou, George Retsinas, Panagiotis Paraskevas Filntisis, Christos Garoufis, Athanasia Zlatintsi, Emmanouil Kalisperakis, Vasiliki Garyfalli, Thomas Karantinos, Marina Lazaridi, Nikolaos Smyrnis, Petros Maragos:
From Digital Phenotype Identification To Detection Of Psychotic Relapses. ICHI 2023: 276-284 - 2022
- [c15]Christos Garoufis, Athanasia Zlatintsi, Panayiotis Paraskevas Filntisis, Niki Efthymiou, Emmanouil Kalisperakis, Thomas Karantinos, Vasiliki Garyfalli, Marina Lazaridi, Nikolaos Smyrnis, Petros Maragos:
Towards Unsupervised Subject-Independent Speech-Based Relapse Detection in Patients with Psychosis using Variational Autoencoders. EUSIPCO 2022: 175-179 - [c14]M. Panagiotou, Athanasia Zlatintsi, Panagiotis Paraskevas Filntisis, Anargyros J. Roumeliotis, Niki Efthymiou, Petros Maragos:
A comparative study of autoencoder architectures for mental health analysis using wearable sensors data. EUSIPCO 2022: 1258-1262 - [c13]Dafni Anagnostopoulou, Niki Efthymiou, Christina Papailiou, Petros Maragos:
Child Engagement Estimation in Heterogeneous Child-Robot Interactions Using Spatiotemporal Visual Cues. IROS 2022: 3584-3589 - 2021
- [c12]Christos Garoufis, Athanasia Zlatintsi, Panagiotis Paraskevas Filntisis, Niki Efthymiou, Emmanouil Kalisperakis, Vasiliki Garyfalli, Thomas Karantinos, L. Mantonakis, Nikolaos Smyrnis, Petros Maragos:
An Unsupervised Learning Approach for Detecting Relapses from Spontaneous Speech in Patients with Psychosis. BHI 2021: 1-5 - [c11]Panagiotis Paraskevas Filntisis, Niki Efthymiou, Gerasimos Potamianos, Petros Maragos:
An Audiovisual Child Emotion Recognition System for Child-Robot Interaction Applications. EUSIPCO 2021: 791-795 - [c10]Dafni Anagnostopoulou, Niki Efthymiou, Christina Papailiou, Petros Maragos:
Engagement Estimation During Child Robot Interaction Using Deep Convolutional Networks Focusing on ASD Children. ICRA 2021: 3641-3647 - [c9]Niki Efthymiou, Panagiotis Paraskevas Filntisis, Gerasimos Potamianos, Petros Maragos:
A robotic edutainment framework for designing child-robot interaction scenarios. PETRA 2021: 160-166 - 2020
- [c8]Panagiotis Paraskevas Filntisis, Niki Efthymiou, Gerasimos Potamianos, Petros Maragos:
Emotion Understanding in Videos Through Body, Context, and Visual-Semantic Embedding Loss. ECCV Workshops (1) 2020: 747-755 - [c7]George Retsinas, Panayiotis Paraskevas Filntisis, Niki Efthymiou, Emmanouil Theodosis, Athanasia Zlatintsi, Petros Maragos:
Person Identification Using Deep Convolutional Neural Networks on Short-Term Signals from Wearable Sensors. ICASSP 2020: 3657-3661 - [c6]Ilias Maglogiannis, Athanasia Zlatintsi, Andreas Menychtas, Dennis Papadimatos, Panayiotis Paraskevas Filntisis, Niki Efthymiou, George Retsinas, Panayiotis Tsanakas, Petros Maragos:
An Intelligent Cloud-Based Platform for Effective Monitoring of Patients with Psychotic Disorders. AIAI (2) 2020: 293-307 - 2018
- [c5]Antigoni Tsiami, Panagiotis Paraskevas Filntisis, Niki Efthymiou, Petros Koutras, Gerasimos Potamianos, Petros Maragos:
Far-Field Audio-Visual Scene Perception of Multi-Party Human-Robot Interaction for Children and Adults. ICASSP 2018: 6568-6572 - [c4]Niki Efthymiou, Petros Koutras, Panagiotis Paraskevas Filntisis, Gerasimos Potamianos, Petros Maragos:
Multi- View Fusion for Action Recognition in Child-Robot Interaction. ICIP 2018: 455-459 - [c3]Antigoni Tsiami, Petros Koutras, Niki Efthymiou, Panagiotis Paraskevas Filntisis, Gerasimos Potamianos, Petros Maragos:
Multi3: Multi-Sensory Perception System for Multi-Modal Child Interaction with Multiple Robots. ICRA 2018: 1-8 - [c2]Jack Hadfield, Petros Koutras, Niki Efthymiou, Gerasimos Potamianos, Costas S. Tzafestas, Petros Maragos:
Object Assembly Guidance in Child-Robot Interaction using RGB-D based 3D Tracking. IROS 2018: 347-354 - 2015
- [c1]Athanasia Zlatintsi, Petros Koutras, Niki Efthymiou, Petros Maragos, Alexandros Potamianos, Katerina Pastra:
Quality evaluation of computational models for movie summarization. QoMEX 2015: 1-6
Informal and Other Publications
- 2024
- [i5]George Retsinas, Niki Efthymiou, Petros Maragos:
Mushroom Segmentation and 3D Pose Estimation from Point Clouds using Fully Convolutional Geometric Features and Implicit Pose Encoding. CoRR abs/2404.12144 (2024) - 2020
- [i4]Niki Efthymiou, Panagiotis Paraskevas Filntisis, Petros Koutras, Antigoni Tsiami, Jack Hadfield, Gerasimos Potamianos, Petros Maragos:
ChildBot: Multi-Robot Perception and Interaction with Children. CoRR abs/2008.12818 (2020) - [i3]Panagiotis Paraskevas Filntisis, Niki Efthymiou, Gerasimos Potamianos, Petros Maragos:
Emotion Understanding in Videos Through Body, Context, and Visual-Semantic Embedding Loss. CoRR abs/2010.16396 (2020) - [i2]Panagiotis Paraskevas Filntisis, Athanasia Zlatintsi, Niki Efthymiou, Emmanouil Kalisperakis, Thomas Karantinos, Marina Lazaridi, Nikolaos Smyrnis, Petros Maragos:
Identifying differences in physical activity and autonomic function patterns between psychotic patients and controls over a long period of continuous monitoring using wearable sensors. CoRR abs/2011.02285 (2020) - 2019
- [i1]Panagiotis Paraskevas Filntisis, Niki Efthymiou, Petros Koutras, Gerasimos Potamianos, Petros Maragos:
Fusing Body Posture with Facial Expressions for Joint Recognition of Affect in Child-Robot Interaction. CoRR abs/1901.01805 (2019)
Coauthor Index
aka: Panayiotis Paraskevas Filntisis
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