collaborators

5 papers

cs.CR2026

DisAgg: Distributed Aggregators for Efficient Secure Aggregation in Federated Learning

Haaris Mehmood, Giorgos Tatsis, Dimitrios Alexopoulos +4

Federated learning enables collaborative model training across distributed clients, yet vanilla FL exposes client updates to the central server. Secure-aggregation schemes protect…

cs.CV2025

Mem-MLP: Real-Time 3D Human Motion Generation from Sparse Inputs

Sinan Mutlu, Georgios F. Angelis, Savas Ozkan +3

Realistic and smooth full-body tracking is crucial for immersive AR/VR applications. Existing systems primarily track head and hands via Head Mounted Devices (HMDs) and controllers…

cs.CL2025

Retrieval Augmented Generation based context discovery for ASR

Dimitrios Siskos, Stavros Papadopoulos, Pablo Peso Parada +3

This work investigates retrieval augmented generation as an efficient strategy for automatic context discovery in context-aware Automatic Speech Recognition (ASR) system, in order…

cs.CV2025

Efficient 3D Full-Body Motion Generation from Sparse Tracking Inputs with Temporal Windows

Georgios Fotios Angelis, Savas Ozkan, Sinan Mutlu +3

To have a seamless user experience on immersive AR/VR applications, the importance of efficient and effective Neural Network (NN) models is undeniable, since missing body parts tha…

eess.AS2025

persoDA: Personalized Data Augmentation for Personalized ASR

Pablo Peso Parada, Spyros Fontalis, Md Asif Jalal +6

Data augmentation (DA) is ubiquitously used in training of Automatic Speech Recognition (ASR) models. DA offers increased data variability, robustness and generalization against di…