GRPOLY-DB: An old Greek polytonic document image database. - Basilis Gatos; Nikolaos Stamatopoulos; Georgios Louloudis; Giorgos Sfikas; George Retsinas; Vassilis Papavassiliou; Fotini Sunistira; Vassilis Katsouros (ICDAR, 2015)

Historical Typewritten Document Recognition Using Minimal User Interaction. - George Retsinas; Basilis Gatos; Apostolos Antonacopoulos; Georgios Louloudis; Nikolaos Stamatopoulos (HIP@ICDAR, 2015)

Isolated character recognition using projections of oriented gradients. - George Retsinas; Basilis Gatos; Nikolaos Stamatopoulos; Georgios Louloudis (ICDAR, 2015)

Efficient Document Image Segmentation Representation by Approximating Minimum-Link Polygons. - George Retsinas; Georgios Louloudis; Nikolaos Stamatopoulos; Basilis Gatos (DAS, 2016)

Keyword Spotting in Handwritten Documents Using Projections of Oriented Gradients. - George Retsinas; Georgios Louloudis; Nikolaos Stamatopoulos; Basilis Gatos (DAS, 2016)

Zoning Aggregated Hypercolumns for Keyword Spotting. - Giorgos Sfikas; George Retsinas; Basilis Gatos (ICFHR, 2016)

Transferable Deep Features for Keyword Spotting. - George Retsinas; Giorgos Sfikas; Basilis Gatos (IWCIM@EUSIPCO, 2017)

Nonlinear Manifold Embedding on Keyword Spotting Using t-SNE. - George Retsinas; Nikolaos Stamatopoulos; Georgios Louloudis; Giorgos Sfikas; Basilis Gatos (ICDAR, 2017)

A PHOC Decoder for Lexicon-Free Handwritten Word Recognition. - Giorgos Sfikas; George Retsinas; Basilis Gatos (ICDAR, 2017)

Exploring Critical Aspects of CNN-based Keyword Spotting. A PHOCNet Study. - George Retsinas; Giorgos Sfikas; Nikolaos Stamatopoulos; Georgios Louloudis; Basilis Gatos (DAS, 2018)

Compact Deep Descriptors for Keyword Spotting. - George Retsinas; Giorgos Sfikas; Georgios Louloudis; Nikolaos Stamatopoulos; Basilis Gatos (ICFHR, 2018)

RecNets: Channel-wise Recurrent Convolutional Neural Networks. - George Retsinas; Athena Elafrou; Georgios I. Goumas; Petros Maragos (BMVC, 2019)

An Alternative Deep Feature Approach to Line Level Keyword Spotting. - George Retsinas; Georgios Louloudis; Nikolaos Stamatopoulos; Giorgos Sfikas; Basilis Gatos (CVPR, 2019)

Transforming scholarship in the archives through handwritten text recognition. - 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; et al. (J. Documentation, 2019)

Efficient Learning-Free Keyword Spotting. - George Retsinas; Georgios Louloudis; Nikolaos Stamatopoulos; Basilis Gatos (IEEE Trans. Pattern Anal. Mach. Intell., 2019)

How to Track Your Dragon: A Multi-attentional Framework for Real-Time RGB-D 6-DOF Object Pose Tracking. - Isidoros Marougkas; Petros Koutras; Nikolaos Kardaris; Georgios Retsinas; Georgia Chalvatzaki; Petros Maragos (ECCV Workshops (2), 2020)

Person Identification Using Deep Convolutional Neural Networks on Short-Term Signals from Wearable Sensors. - George Retsinas; Panayiotis Paraskevas Filntisis; Niki Efthymiou; Emmanouil Theodosis; Athanasia Zlatintsi; Petros Maragos (ICASSP, 2020)

Maxpolynomial Division with Application To Neural Network Simplification. - Georgios Smyrnis; Petros Maragos; George Retsinas (ICASSP, 2020)

Quaternion Generative Adversarial Networks for Inscription Detection in Byzantine Monuments. - Giorgos Sfikas; Angelos P. Giotis; George Retsinas; Christophoros Nikou (ICPR Workshops (7), 2020)

Enhancing Handwritten Text Recognition with N-gram sequence decomposition and Multitask Learning. - Vasiliki Tassopoulou; George Retsinas; Petros Maragos (ICPR, 2020)

An Intelligent Cloud-Based Platform for Effective Monitoring of Patients with Psychotic Disorders. - Ilias Maglogiannis; Athanasia Zlatintsi; Andreas Menychtas; Dennis Papadimatos; Panayiotis Paraskevas Filntisis; Niki Efthymiou; George Retsinas; Panayiotis Tsanakas; Petros Maragos (AIAI (2), 2020)

Weight Pruning via Adaptive Sparsity Loss. - George Retsinas; Athena Elafrou; Georgios I. Goumas; Petros Maragos (CoRR, 2020)

WSRNet: Joint Spotting and Recognition of Handwritten Words. - George Retsinas; Giorgos Sfikas; Petros Maragos (CoRR, 2020)

From Seq2Seq Recognition to Handwritten Word Embeddings. - George Retsinas; Giorgos Sfikas; Christophoros Nikou; Petros Maragos (BMVC, 2021)

Iterative Weighted Transductive Learning for Handwriting Recognition. - George Retsinas; Giorgos Sfikas; Christophoros Nikou (ICDAR (4), 2021)

Online Weight Pruning Via Adaptive Sparsity Loss. - George Retsinas; Athena Elafrou; Georgios I. Goumas; Petros Maragos (ICIP, 2021)

Deformation-Invariant Networks For Handwritten Text Recognition. - George Retsinas; Giorgos Sfikas; Christophoros Nikou; Petros Maragos (ICIP, 2021)

Best Practices for a Handwritten Text Recognition System. - George Retsinas; Giorgos Sfikas; Basilis Gatos; Christophoros Nikou (DAS, 2022)

On-the-Fly Deformations for Keyword Spotting. - George Retsinas; Giorgos Sfikas; Basilis Gatos; Christophoros Nikou (DAS, 2022)

Keyword Spotting with Quaternionic ResNet: Application to Spotting in Greek Manuscripts. - Giorgos Sfikas; George Retsinas; Angelos P. Giotis; Basilis Gatos; Christophoros Nikou (DAS, 2022)

Neural Network Approximation based on Hausdorff distance of Tropical Zonotopes. - Panagiotis Misiakos; Georgios Smyrnis; George Retsinas; Petros Maragos (ICLR, 2022)

Hypercomplex Generative Adversarial Networks for Lightweight Semantic Labeling. - Giorgos Sfikas; George Retsinas; Basilis Gatos; Christophoros Nikou (ICPRAI (1), 2022)

Attribute-based Gesture Recognition: Generalization to Unseen Classes. - George Retsinas; Panagiotis Paraskevas Filntisis; Nikos Kardaris; Petros Maragos (IVMSP, 2022)

Visual Speech-Aware Perceptual 3D Facial Expression Reconstruction from Videos. - Panagiotis Paraskevas Filntisis; George Retsinas; Foivos Paraperas Papantoniou; Athanasios Katsamanis; Anastasios Roussos; Petros Maragos (CoRR, 2022)

Feather: An Elegant Solution to Effective DNN Sparsification. - Athanasios Glentis Georgoulakis; George Retsinas; Petros Maragos (BMVC, 2023)

A Realistic Synthetic Mushroom Scenes Dataset. - Dafni Anagnostopoulou; George Retsinas; Niki Efthymiou; Panayiotis Paraskevas Filntisis; Petros Maragos (CVPR Workshops, 2023)

SPECTRE: Visual Speech-Informed Perceptual 3D Facial Expression Reconstruction from Videos. - Panagiotis Paraskevas Filntisis; George Retsinas; Foivos Paraperas Papantoniou; Athanasios Katsamanis; Anastasios Roussos; Petros Maragos (CVPR Workshops, 2023)

Mushroom Segmentation and 3D Pose Estimation from Point Clouds using Fully Convolutional Geometric Features and Implicit Pose Encoding. - George Retsinas; Niki Efthymiou; Petros Maragos (CVPR Workshops, 2023)

Newton-Based Trainable Learning Rate. - George Retsinas; Giorgos Sfikas; Panagiotis Paraskevas Filntisis; Petros Maragos (ICASSP, 2023)

E-Prevention: The ICASSP-2023 Challenge on Person Identification and Relapse Detection from Continuous Recordings of Biosignals. - Athanasia Zlatintsi; Panagiotis Paraskevas Filntisis; Niki Efthymiou; Christos Garoufis; George Retsinas; Thomas Sounapoglou; Ilias Maglogiannis; Panayiotis Tsanakas; Nikolaos Smyrnis; Petros Maragos (ICASSP, 2023)

WordStylist: Styled Verbatim Handwritten Text Generation with Latent Diffusion Models. - Konstantina Nikolaidou; George Retsinas; Vincent Christlein; Mathias Seuret; Giorgos Sfikas; Elisa Barney Smith; Hamam Mokayed; Marcus Liwicki (ICDAR (2), 2023)

Keyword Spotting Simplified: A Segmentation-Free Approach Using Character Counting and CTC Re-scoring. - George Retsinas; Giorgos Sfikas; Christophoros Nikou (ICDAR (1), 2023)

Shared-Operation Hypercomplex Networks for Handwritten Text Recognition. - Giorgos Sfikas; George Retsinas; Panagiotis Dimitrakopoulos; Basilis Gatos; Christophoros Nikou (ICDAR (4), 2023)

Document Binarization with Quaternionic Double Discriminator Generative Adversarial Network. - Giorgos Sfikas; George Retsinas; Basilis Gatos (ICDAR Workshops (2), 2023)

From Digital Phenotype Identification To Detection Of Psychotic Relapses. - Niki Efthymiou; George Retsinas; Panagiotis Paraskevas Filntisis; Christos Garoufis; Athanasia Zlatintsi; Emmanouil Kalisperakis; Vasiliki Garyfalli; Thomas Karantinos; Marina Lazaridi; Nikolaos Smyrnis; Petros Maragos (ICHI, 2023)

Enhancing Action Recognition in Vehicle Environments With Human Pose Information. - Michaela Konstantinou; George Retsinas; Petros Maragos (PETRA, 2023)

On the Matrix Form of the Quaternion Fourier Transform and Quaternion Convolution. - Giorgos Sfikas; George Retsinas (CoRR, 2023)

Mushroom Detection and Three Dimensional Pose Estimation from Multi-View Point Clouds. - George Retsinas; Niki Efthymiou; Dafni Anagnostopoulou; Petros Maragos (Sensors, 2023)

3D Facial Expressions through Analysis-by-Neural-Synthesis. - George Retsinas; Panagiotis Paraskevas Filntisis; Radek Danecek; Victoria Fernández Abrevaya; Anastasios Roussos; Timo Bolkart; Petros Maragos (CVPR, 2024)

Bessarion: Medieval Greek Inscriptions on a Challenging Dataset for Vision and NLP Tasks. - Giorgos Sfikas; Panagiotis Dimitrakopoulos; George Retsinas; Christophoros Nikou; Pinelopi Kitsiou (DAS, 2024)

DiffusionPen: Towards Controlling the Style of Handwritten Text Generation. - Konstantina Nikolaidou; George Retsinas; Giorgos Sfikas; Marcus Liwicki (ECCV (85), 2024)

Rethinking HTG Evaluation: Bridging Generation and Recognition. - Konstantina Nikolaidou; George Retsinas; Giorgos Sfikas; Marcus Liwicki (ECCV Workshops (22), 2024)

Augmenting Transformer Autoencoders with Phenotype Classification for Robust Detection of Psychotic Relapses. - Niki Efthymiou; George Retsinas; Panagiotis Paraskevas Filntisis; Petros Maragos (ICASSP, 2024)

The 2nd E-Prevention Challenge: Psychotic and Non-Psychotic Relapse Detection Using Wearable-Based Digital Phenotyping. - Panagiotis Paraskevas Filntisis; Niki Efthymiou; George Retsinas; Athanasia Zlatintsi; Christos Garoufis; Thomas Sounapoglou; Panayotis Tsanakas; Nikolaos Smyrnis; Petros Maragos (ICASSP Workshops, 2024)

Matrix Factorization in Tropical and Mixed Tropical-Linear Algebras. - Ioannis Kordonis; Emmanouil Theodosis; George Retsinas; Petros Maragos (ICASSP, 2024)

Enhancing CRNN HTR Architectures with Transformer Blocks. - George Retsinas; Konstantina Nikolaidou; Giorgos Sfikas (ICDAR (4), 2024)

Sparkle: Deep Learning Driven Autotuning for Taming High-Dimensionality of Spark Deployments. - Dimosthenis Masouros; George Retsinas; Sotirios Xydis; Dimitrios Soudris (IEEE Trans. Cloud Comput., 2024)

Towards Asynchronous Peer-to-Peer Federated Learning for Heterogeneous Systems. - Christos Sad; George Retsinas; Dimitrios Soudris; Kostas Siozios; Dimosthenis Masouros (EuroMLSys, 2025)

Proactive tactile exploration for object-agnostic shape reconstruction from minimal visual priors. - Paris Oikonomou; George Retsinas; Petros Maragos; Costas S. Tzafestas (CoRR, 2025)

Object-Centric Action-Enhanced Representations for Robot Visuo-Motor Policy Learning. - Nikos Giannakakis; Argyris Manetas; Panagiotis Paraskevas Filntisis; Petros Maragos; George Retsinas (CoRR, 2025)

Category-Level 6D Object Pose Estimation in Agricultural Settings Using a Lattice-Deformation Framework and Diffusion-Augmented Synthetic Data. - Marios Glytsos; Panagiotis Paraskevas Filntisis; George Retsinas; Petros Maragos (CoRR, 2025)

Only-Style: Stylistic Consistency in Image Generation without Content Leakage. - Tilemachos Aravanis; Panayiotis Paraskevas Filntisis; Petros Maragos; George Retsinas (CoRR, 2025)

Pre-training for Action Recognition with Automatically Generated Fractal Datasets. - Davyd Svyezhentsev; George Retsinas; Petros Maragos (Int. J. Comput. Vis., 2025)

Quo Vadis Handwritten Text Generation for Handwritten Text Recognition? - Vittorio Pippi; Konstantina Nikolaidou; Silvia Cascianelli; George Retsinas; Giorgos Sfikas; Rita Cucchiara; Marcus Liwicki (CoRR, 2025)