George Retsinas

92 papers A* 5A 8B 13Misc 6Journal 33Unranked 27

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Mind the Shape Gap: A Benchmark and Baseline for Deformation-Aware 6D Pose Estimation of Agricultural Produce. CoRR Nikolas Chatzis, Angeliki Tsinouka, Katerina Papadimitriou, Niki Efthymiou, Marios Glytsos, George Retsinas, Paris Oikonomou, Gerasimos Potamianos, Petros Maragos, Panagiotis Paraskevas Filntisis
2025	J	`jnl`	Are Euler angles a useful rotation parameterisation for pose estimation with Normalizing Flows? CoRR Giorgos Sfikas, Konstantina Nikolaidou, Foteini Papadopoulou, George Retsinas, Anastasios L. Kesidis
2025	A	`conf`	Category-Level 6D Object Pose Estimation in Agricultural Settings Using a Lattice-Deformation Framework and Diffusion-Augmented Synthetic Data. IROS Marios Glytsos, Panagiotis Paraskevas Filntisis, George Retsinas, Petros Maragos
2025	J	`jnl`	Category-Level 6D Object Pose Estimation in Agricultural Settings Using a Lattice-Deformation Framework and Diffusion-Augmented Synthetic Data. CoRR Marios Glytsos, Panagiotis Paraskevas Filntisis, George Retsinas, Petros Maragos
2025	—	`conf`	Dual Orthogonal Guidance for Robust Diffusion-Based Handwritten Text Generation. ICCVW Konstantina Nikolaidou, George Retsinas, Giorgos Sfikas, Silvia Cascianelli, Rita Cucchiara, Marcus Liwicki
2025	J	`jnl`	Dual Orthogonal Guidance for Robust Diffusion-based Handwritten Text Generation. CoRR Konstantina Nikolaidou, George Retsinas, Giorgos Sfikas, Silvia Cascianelli, Rita Cucchiara, Marcus Liwicki
2025	J	`jnl`	Instance-Level Composed Image Retrieval. CoRR Bill Psomas, George Retsinas, Nikos Efthymiadis, Panayiotis Paraskevas Filntisis, Yannis Avrithis, Petros Maragos, Ondrej Chum, Giorgos Tolias
2025	—	`conf`	Object-Centric Action-Enhanced Representations for Robot Visuo-Motor Policy Learning. ICDL Nikos Giannakakis, Argyris Manetas, Panagiotis Paraskevas Filntisis, Petros Maragos, George Retsinas
2025	J	`jnl`	Object-Centric Action-Enhanced Representations for Robot Visuo-Motor Policy Learning. CoRR Nikos Giannakakis, Argyris Manetas, Panagiotis Paraskevas Filntisis, Petros Maragos, George Retsinas
2025	—	`conf`	Only-Style: Stylistic Consistency in Image Generation without Content Leakage. ICCVW Tilemachos Aravanis, Panayiotis Paraskevas Filntisis, Petros Maragos, George Retsinas
2025	J	`jnl`	Only-Style: Stylistic Consistency in Image Generation without Content Leakage. CoRR Tilemachos Aravanis, Panayiotis Paraskevas Filntisis, Petros Maragos, George Retsinas
2025	J	`jnl`	Optimal Transport for Handwritten Text Recognition in a Low-Resource Regime. CoRR Petros Georgoulas Wraight, Giorgos Sfikas, Ioannis Kordonis, Petros Maragos, George Retsinas
2025	J	`jnl`	Pre-training for Action Recognition with Automatically Generated Fractal Datasets. Int. J. Comput. Vis. Davyd Svyezhentsev, George Retsinas, Petros Maragos
2025	A*	`conf`	Proactive Tactile Exploration for Object-Agnostic Shape Reconstruction from Minimal Visual Priors. ICRA Paris Oikonomou, George Retsinas, Petros Maragos, Costas S. Tzafestas
2025	J	`jnl`	Proactive tactile exploration for object-agnostic shape reconstruction from minimal visual priors. CoRR Paris Oikonomou, George Retsinas, Petros Maragos, Costas S. Tzafestas
2025	—	`conf`	Push, See, Predict: Emergent Perception Through Intrinsically Motivated Play. ICDL Orestis Konstantaropoulos, Mehdi Khamassi, Petros Maragos, George Retsinas
2025	—	`conf`	Quo Vadis Handwritten Text Generation for Handwritten Text Recognition? ICCVW Vittorio Pippi, Konstantina Nikolaidou, Silvia Cascianelli, George Retsinas, Giorgos Sfikas, Rita Cucchiara, Marcus Liwicki
2025	J	`jnl`	Quo Vadis Handwritten Text Generation for Handwritten Text Recognition? CoRR Vittorio Pippi, Konstantina Nikolaidou, Silvia Cascianelli, George Retsinas, Giorgos Sfikas, Rita Cucchiara, Marcus Liwicki
2025	—	`conf`	Seeing in 2D, Thinking in 3D: 3D Hand Mesh-Guided Feature Learning for Continuous Fingerspelling. ICCVW Katerina Papadimitriou, Panayiotis Paraskevas Filntisis, George Retsinas, Gerasimos Potamianos, Petros Maragos
2025	J	`jnl`	Sparse Computations in Deep Learning Inference. CoRR Ioanna Tasou, Panagiotis Mpakos, Angelos Vlachos, Dionysios Adamopoulos, Georgios Giannakopoulos, Konstantinos Katsikopoulos, Ioannis Karaparisis, Maria Lazou, Spyridon Loukovitis, Areti Mei, Anastasia Poulopoulou, Angeliki Dimitriou, Giorgos Filandrianos, Dimitrios Galanopoulos, Vasileios Karampinis, Ilias Mitsouras, Nikolaos Spanos, Petros Anastasiadis, Ioannis Doudalis, Konstantinos Nikas, George Retsinas, Paraskevi K. Tzouveli, Christina Giannoula, Nectarios Koziris, Nikela Papadopoulou, Giorgos Stamou, Athanasios Voulodimos, Georgios I. Goumas
2025	—	`conf`	Towards Asynchronous Peer-to-Peer Federated Learning for Heterogeneous Systems. EuroMLSys Christos Sad, George Retsinas, Dimitrios Soudris, Kostas Siozios, Dimosthenis Masouros
2025	A*	`conf`	Towards Open-Ended Robotic Exploration Using Vision-Inspired Similarity and Foundation Models. ICRA Panagiotis Paraskevas Filntisis, Efthymios Tsaprazlis, Paraskevas Oikonomou, Francesco Mattioli, Vieri Giuliano Santucci, George Retsinas, Petros Maragos
2025	J	`jnl`	Unlocking the matrix form of the Quaternion Fourier Transform and Quaternion Convolution: Properties, connections, and application to Lipschitz constant bounding. Trans. Mach. Learn. Res. Giorgos Sfikas, George Retsinas
2024	A*	`conf`	3D Facial Expressions through Analysis-by-Neural-Synthesis. CVPR George Retsinas, Panagiotis Paraskevas Filntisis, Radek Danecek, Victoria Fernández Abrevaya, Anastasios Roussos, Timo Bolkart, Petros Maragos
2024	J	`jnl`	3D Facial Expressions through Analysis-by-Neural-Synthesis. CoRR George Retsinas, Panagiotis Paraskevas Filntisis, Radek Danecek, Victoria Fernández Abrevaya, Anastasios Roussos, Timo Bolkart, Petros Maragos
2024	Misc	`conf`	Augmenting Transformer Autoencoders with Phenotype Classification for Robust Detection of Psychotic Relapses. ICASSP Niki Efthymiou, George Retsinas, Panagiotis Paraskevas Filntisis, Petros Maragos
2024	B	`conf`	Bessarion: Medieval Greek Inscriptions on a Challenging Dataset for Vision and NLP Tasks. DAS Giorgos Sfikas, Panagiotis Dimitrakopoulos, George Retsinas, Christophoros Nikou, Pinelopi Kitsiou
2024	J	`jnl`	Best Practices for a Handwritten Text Recognition System. CoRR George Retsinas, Giorgos Sfikas, Basilis Gatos, Christophoros Nikou
2024	—	`conf`	DiffusionPen: Towards Controlling the Style of Handwritten Text Generation. ECCV (85) Konstantina Nikolaidou, George Retsinas, Giorgos Sfikas, Marcus Liwicki
2024	J	`jnl`	DiffusionPen: Towards Controlling the Style of Handwritten Text Generation. CoRR Konstantina Nikolaidou, George Retsinas, Giorgos Sfikas, Marcus Liwicki
2024	B	`ed.`	Document Analysis Systems - 16th IAPR International Workshop, DAS 2024, Athens, Greece, August 30-31, 2024, Proceedings DAS Giorgos Sfikas, George Retsinas
2024	—	`conf`	Enhancing CRNN HTR Architectures with Transformer Blocks. ICDAR (4) George Retsinas, Konstantina Nikolaidou, Giorgos Sfikas
2024	Misc	`conf`	Matrix Factorization in Tropical and Mixed Tropical-Linear Algebras. ICASSP Ioannis Kordonis, Emmanouil Theodosis, George Retsinas, Petros Maragos
2024	J	`jnl`	Mushroom Segmentation and 3D Pose Estimation from Point Clouds using Fully Convolutional Geometric Features and Implicit Pose Encoding. CoRR George Retsinas, Niki Efthymiou, Petros Maragos
2024	J	`jnl`	Pre-training for Action Recognition with Automatically Generated Fractal Datasets. CoRR Davyd Svyezhentsev, George Retsinas, Petros Maragos
2024	—	`conf`	Rethinking HTG Evaluation: Bridging Generation and Recognition. ECCV Workshops (22) Konstantina Nikolaidou, George Retsinas, Giorgos Sfikas, Marcus Liwicki
2024	J	`jnl`	Rethinking HTG Evaluation: Bridging Generation and Recognition. CoRR Konstantina Nikolaidou, George Retsinas, Giorgos Sfikas, Marcus Liwicki
2024	J	`jnl`	Sparkle: Deep Learning Driven Autotuning for Taming High-Dimensionality of Spark Deployments. IEEE Trans. Cloud Comput. Dimosthenis Masouros, George Retsinas, Sotirios Xydis, Dimitrios Soudris
2024	—	`conf`	The 2nd E-Prevention Challenge: Psychotic and Non-Psychotic Relapse Detection Using Wearable-Based Digital Phenotyping. ICASSP Workshops Panagiotis Paraskevas Filntisis, Niki Efthymiou, George Retsinas, Athanasia Zlatintsi, Christos Garoufis, Thomas Sounapoglou, Panayotis Tsanakas, Nikolaos Smyrnis, Petros Maragos
2023	—	`conf`	A Realistic Synthetic Mushroom Scenes Dataset. CVPR Workshops Dafni Anagnostopoulou, George Retsinas, Niki Efthymiou, Panayiotis Paraskevas Filntisis, Petros Maragos
2023	—	`conf`	Document Binarization with Quaternionic Double Discriminator Generative Adversarial Network. ICDAR Workshops (2) Giorgos Sfikas, George Retsinas, Basilis Gatos
2023	Misc	`conf`	E-Prevention: The ICASSP-2023 Challenge on Person Identification and Relapse Detection from Continuous Recordings of Biosignals. ICASSP Athanasia Zlatintsi, Panagiotis Paraskevas Filntisis, Niki Efthymiou, Christos Garoufis, George Retsinas, Thomas Sounapoglou, Ilias Maglogiannis, Panayiotis Tsanakas, Nikolaos Smyrnis, Petros Maragos
2023	—	`conf`	Enhancing Action Recognition in Vehicle Environments With Human Pose Information. PETRA Michaela Konstantinou, George Retsinas, Petros Maragos
2023	A	`conf`	Feather: An Elegant Solution to Effective DNN Sparsification. BMVC Athanasios Glentis Georgoulakis, George Retsinas, Petros Maragos
2023	J	`jnl`	Feather: An Elegant Solution to Effective DNN Sparsification. CoRR Athanasios Glentis Georgoulakis, George Retsinas, Petros Maragos
2023	—	`conf`	From Digital Phenotype Identification To Detection Of Psychotic Relapses. ICHI Niki Efthymiou, George Retsinas, Panagiotis Paraskevas Filntisis, Christos Garoufis, Athanasia Zlatintsi, Emmanouil Kalisperakis, Vasiliki Garyfalli, Thomas Karantinos, Marina Lazaridi, Nikolaos Smyrnis, Petros Maragos
2023	—	`conf`	Keyword Spotting Simplified: A Segmentation-Free Approach Using Character Counting and CTC Re-scoring. ICDAR (1) George Retsinas, Giorgos Sfikas, Christophoros Nikou
2023	J	`jnl`	Keyword Spotting Simplified: A Segmentation-Free Approach using Character Counting and CTC re-scoring. CoRR George Retsinas, Giorgos Sfikas, Christophoros Nikou
2023	J	`jnl`	Matrix Factorization in Tropical and Mixed Tropical-Linear Algebras. CoRR Ioannis Kordonis, Emmanouil Theodosis, George Retsinas, Petros Maragos
2023	J	`jnl`	Mushroom Detection and Three Dimensional Pose Estimation from Multi-View Point Clouds. Sensors George Retsinas, Niki Efthymiou, Dafni Anagnostopoulou, Petros Maragos
2023	—	`conf`	Mushroom Segmentation and 3D Pose Estimation from Point Clouds using Fully Convolutional Geometric Features and Implicit Pose Encoding. CVPR Workshops George Retsinas, Niki Efthymiou, Petros Maragos
2023	Misc	`conf`	Newton-Based Trainable Learning Rate. ICASSP George Retsinas, Giorgos Sfikas, Panagiotis Paraskevas Filntisis, Petros Maragos
2023	J	`jnl`	On the Matrix Form of the Quaternion Fourier Transform and Quaternion Convolution. CoRR Giorgos Sfikas, George Retsinas
2023	—	`conf`	SPECTRE: Visual Speech-Informed Perceptual 3D Facial Expression Reconstruction from Videos. CVPR Workshops Panagiotis Paraskevas Filntisis, George Retsinas, Foivos Paraperas Papantoniou, Athanasios Katsamanis, Anastasios Roussos, Petros Maragos
2023	—	`conf`	Shared-Operation Hypercomplex Networks for Handwritten Text Recognition. ICDAR (4) Giorgos Sfikas, George Retsinas, Panagiotis Dimitrakopoulos, Basilis Gatos, Christophoros Nikou
2023	—	`conf`	WordStylist: Styled Verbatim Handwritten Text Generation with Latent Diffusion Models. ICDAR (2) Konstantina Nikolaidou, George Retsinas, Vincent Christlein, Mathias Seuret, Giorgos Sfikas, Elisa Barney Smith, Hamam Mokayed, Marcus Liwicki
2023	J	`jnl`	WordStylist: Styled Verbatim Handwritten Text Generation with Latent Diffusion Models. CoRR Konstantina Nikolaidou, George Retsinas, Vincent Christlein, Mathias Seuret, Giorgos Sfikas, Elisa Barney Smith, Hamam Mokayed, Marcus Liwicki
2022	—	`conf`	Attribute-based Gesture Recognition: Generalization to Unseen Classes. IVMSP George Retsinas, Panagiotis Paraskevas Filntisis, Nikos Kardaris, Petros Maragos
2022	B	`conf`	Best Practices for a Handwritten Text Recognition System. DAS George Retsinas, Giorgos Sfikas, Basilis Gatos, Christophoros Nikou
2022	—	`conf`	Hypercomplex Generative Adversarial Networks for Lightweight Semantic Labeling. ICPRAI (1) Giorgos Sfikas, George Retsinas, Basilis Gatos, Christophoros Nikou
2022	B	`conf`	Keyword Spotting with Quaternionic ResNet: Application to Spotting in Greek Manuscripts. DAS Giorgos Sfikas, George Retsinas, Angelos P. Giotis, Basilis Gatos, Christophoros Nikou
2022	A*	`conf`	Neural Network Approximation based on Hausdorff distance of Tropical Zonotopes. ICLR Panagiotis Misiakos, Georgios Smyrnis, George Retsinas, Petros Maragos
2022	B	`conf`	On-the-Fly Deformations for Keyword Spotting. DAS George Retsinas, Giorgos Sfikas, Basilis Gatos, Christophoros Nikou
2022	J	`jnl`	Visual Speech-Aware Perceptual 3D Facial Expression Reconstruction from Videos. CoRR Panagiotis Paraskevas Filntisis, George Retsinas, Foivos Paraperas Papantoniou, Athanasios Katsamanis, Anastasios Roussos, Petros Maragos
2021	B	`conf`	Deformation-Invariant Networks For Handwritten Text Recognition. ICIP George Retsinas, Giorgos Sfikas, Christophoros Nikou, Petros Maragos
2021	A	`conf`	From Seq2Seq Recognition to Handwritten Word Embeddings. BMVC George Retsinas, Giorgos Sfikas, Christophoros Nikou, Petros Maragos
2021	—	`conf`	Iterative Weighted Transductive Learning for Handwriting Recognition. ICDAR (4) George Retsinas, Giorgos Sfikas, Christophoros Nikou
2021	B	`conf`	Online Weight Pruning Via Adaptive Sparsity Loss. ICIP George Retsinas, Athena Elafrou, Georgios I. Goumas, Petros Maragos
2020	—	`conf`	An Intelligent Cloud-Based Platform for Effective Monitoring of Patients with Psychotic Disorders. AIAI (2) Ilias Maglogiannis, Athanasia Zlatintsi, Andreas Menychtas, Dennis Papadimatos, Panayiotis Paraskevas Filntisis, Niki Efthymiou, George Retsinas, Panayiotis Tsanakas, Petros Maragos
2020	B	`conf`	Enhancing Handwritten Text Recognition with N-gram sequence decomposition and Multitask Learning. ICPR Vasiliki Tassopoulou, George Retsinas, Petros Maragos
2020	J	`jnl`	Enhancing Handwritten Text Recognition with N-gram sequence decomposition and Multitask Learning. CoRR Vasiliki Tassopoulou, George Retsinas, Petros Maragos
2020	Misc	`conf`	Maxpolynomial Division with Application To Neural Network Simplification. ICASSP Georgios Smyrnis, Petros Maragos, George Retsinas
2020	Misc	`conf`	Person Identification Using Deep Convolutional Neural Networks on Short-Term Signals from Wearable Sensors. ICASSP George Retsinas, Panayiotis Paraskevas Filntisis, Niki Efthymiou, Emmanouil Theodosis, Athanasia Zlatintsi, Petros Maragos
2020	—	`conf`	Quaternion Generative Adversarial Networks for Inscription Detection in Byzantine Monuments. ICPR Workshops (7) Giorgos Sfikas, Angelos P. Giotis, George Retsinas, Christophoros Nikou
2020	J	`jnl`	WSRNet: Joint Spotting and Recognition of Handwritten Words. CoRR George Retsinas, Giorgos Sfikas, Petros Maragos
2020	J	`jnl`	Weight Pruning via Adaptive Sparsity Loss. CoRR George Retsinas, Athena Elafrou, Georgios I. Goumas, Petros Maragos
2019	A*	`conf`	An Alternative Deep Feature Approach to Line Level Keyword Spotting. CVPR George Retsinas, Georgios Louloudis, Nikolaos Stamatopoulos, Giorgos Sfikas, Basilis Gatos
2019	J	`jnl`	Efficient Learning-Free Keyword Spotting. IEEE Trans. Pattern Anal. Mach. Intell. George Retsinas, Georgios Louloudis, Nikolaos Stamatopoulos, Basilis Gatos
2019	A	`conf`	RecNets: Channel-wise Recurrent Convolutional Neural Networks. BMVC George Retsinas, Athena Elafrou, Georgios I. Goumas, Petros Maragos
2019	J	`jnl`	RecNets: Channel-wise Recurrent Convolutional Neural Networks. CoRR George Retsinas, Athena Elafrou, Georgios I. Goumas, Petros Maragos
2019	J	`jnl`	Transforming scholarship in the archives through handwritten text recognition. J. Documentation Günter Mühlberger, Louise Seaward, Melissa Terras, Sofia Ares Oliveira, Vicente Bosch, Maximilian Bryan, Sebastian Colutto, Hervé Déjean, Markus Diem, Stefan Fiel, Basilis Gatos, Albert Greinoecker, Tobias Grüning, Günter Hackl, Vili Haukkovaara, Gerhard Heyer, Lauri Hirvonen, Tobias Hodel, Matti Jokinen, Philip Kahle, Mario Kallio, Frédéric Kaplan, Florian Kleber, Roger Labahn, Eva Maria Lang, Sören Laube, Gundram Leifert, Georgios Louloudis, Rory McNicholl, Jean-Luc Meunier, Johannes Michael, Elena Mühlbauer, Nathanael Philipp, Ioannis Pratikakis, Joan Puigcerver Pérez, Hannelore Putz, George Retsinas, Verónica Romero, Robert Sablatnig, Joan-Andreu Sánchez, Philip Schofield, Giorgos Sfikas, Christian Sieber, Nikolaos Stamatopoulos, Tobias Strauß, Tamara Terbul, Alejandro H. Toselli, Berthold Ulreich, Mauricio Villegas, Enrique Vidal, Johanna Walcher, Max Weidemann, Herbert Wurster, Konstantinos Zagoris
2018	B	`conf`	Compact Deep Descriptors for Keyword Spotting. ICFHR George Retsinas, Giorgos Sfikas, Georgios Louloudis, Nikolaos Stamatopoulos, Basilis Gatos
2018	B	`conf`	Exploring Critical Aspects of CNN-based Keyword Spotting. A PHOCNet Study. DAS George Retsinas, Giorgos Sfikas, Nikolaos Stamatopoulos, Georgios Louloudis, Basilis Gatos
2017	A	`conf`	A PHOC Decoder for Lexicon-Free Handwritten Word Recognition. ICDAR Giorgos Sfikas, George Retsinas, Basilis Gatos
2017	A	`conf`	Nonlinear Manifold Embedding on Keyword Spotting Using t-SNE. ICDAR George Retsinas, Nikolaos Stamatopoulos, Georgios Louloudis, Giorgos Sfikas, Basilis Gatos
2017	—	`conf`	Transferable Deep Features for Keyword Spotting. IWCIM@EUSIPCO George Retsinas, Giorgos Sfikas, Basilis Gatos
2016	B	`conf`	Efficient Document Image Segmentation Representation by Approximating Minimum-Link Polygons. DAS George Retsinas, Georgios Louloudis, Nikolaos Stamatopoulos, Basilis Gatos
2016	B	`conf`	Keyword Spotting in Handwritten Documents Using Projections of Oriented Gradients. DAS George Retsinas, Georgios Louloudis, Nikolaos Stamatopoulos, Basilis Gatos
2016	B	`conf`	Zoning Aggregated Hypercolumns for Keyword Spotting. ICFHR Giorgos Sfikas, George Retsinas, Basilis Gatos
2015	A	`conf`	GRPOLY-DB: An old Greek polytonic document image database. ICDAR Basilis Gatos, Nikolaos Stamatopoulos, Georgios Louloudis, Giorgos Sfikas, George Retsinas, Vassilis Papavassiliou, Fotini Sunistira, Vassilis Katsouros
2015	—	`conf`	Historical Typewritten Document Recognition Using Minimal User Interaction. HIP@ICDAR George Retsinas, Basilis Gatos, Apostolos Antonacopoulos, Georgios Louloudis, Nikolaos Stamatopoulos
2015	A	`conf`	Isolated character recognition using projections of oriented gradients. ICDAR George Retsinas, Basilis Gatos, Nikolaos Stamatopoulos, Georgios Louloudis