collaborators

5 papers

cs.CV2026

Reasoning or Pattern Matching? Probing Large Vision-Language Models with Visual Puzzles

Maria Lymperaiou, Vasileios Karampinis, Giorgos Filandrianos +3

Puzzles have long served as compact and revealing probes of human cognition, isolating abstraction, rule discovery, and systematic reasoning with minimal reliance on prior knowledg…

cs.CE2025

Sparse Computations in Deep Learning Inference

Ioanna Tasou, Panagiotis Mpakos, Angelos Vlachos +25

The computational demands of modern Deep Neural Networks (DNNs) are immense and constantly growing. While training costs usually capture public attention, inference demands are als…

cs.CV2025

Fast Post-Hoc Confidence Fusion for 3-Class Open-Set Aerial Object Detection

Spyridon Loukovitis, Vasileios Karampinis, Athanasios Voulodimos

Developing reliable UAV navigation systems requires robust air-to-air object detectors capable of distinguishing between objects seen during training and previously unseen objects.…

cs.CV2025

Model-Agnostic Open-Set Air-to-Air Visual Object Detection for Reliable UAV Perception

Spyridon Loukovitis, Anastasios Arsenos, Vasileios Karampinis +1

Open-set detection is crucial for robust UAV autonomy in air-to-air object detection under real-world conditions. Traditional closed-set detectors degrade significantly under domai…

cs.CV2025

Analyze-Prompt-Reason: A Collaborative Agent-Based Framework for Multi-Image Vision-Language Reasoning

Angelos Vlachos, Giorgos Filandrianos, Maria Lymperaiou +4

We present a Collaborative Agent-Based Framework for Multi-Image Reasoning. Our approach tackles the challenge of interleaved multimodal reasoning across diverse datasets and task…