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cs.CV2025

Guided Model-based LiDAR Super-Resolution for Resource-Efficient Automotive scene Segmentation

Alexandros Gkillas, Nikos Piperigkos, Aris S. Lalos

High-resolution LiDAR data plays a critical role in 3D semantic segmentation for autonomous driving, but the high cost of advanced sensors limits large-scale deployment. In contras…

cs.CV2025

Efficient Model-Based Purification Against Adversarial Attacks for LiDAR Segmentation

Alexandros Gkillas, Ioulia Kapsali, Nikos Piperigkos +1

LiDAR-based segmentation is essential for reliable perception in autonomous vehicles, yet modern segmentation networks are highly susceptible to adversarial attacks that can compro…

cs.CV2025

Robustifying 3D Perception via Least-Squares Graphs for Multi-Agent Object Tracking

Maria Damanaki, Ioulia Kapsali, Nikos Piperigkos +2

The critical perception capabilities of EdgeAI systems, such as autonomous vehicles, are required to be resilient against adversarial threats, by enabling accurate identification a…

cs.CV2025

Optimizing Cooperative Multi-Object Tracking using Graph Signal Processing

Maria Damanaki, Nikos Piperigkos, Alexandros Gkillas +1

Multi-Object Tracking (MOT) plays a crucial role in autonomous driving systems, as it lays the foundations for advanced perception and precise path planning modules. Nonetheless, s…

cs.CV2024

Personalized Federated Learning for Cross-view Geo-localization

Christos Anagnostopoulos, Alexandros Gkillas, Nikos Piperigkos +1

In this paper we propose a methodology combining Federated Learning (FL) with Cross-view Image Geo-localization (CVGL) techniques. We address the challenges of data privacy and het…