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Alexandros Gkillas

2 papers indexed

arxivcs.CVcs.LG2026-07-08

Adversarially Guided Diffusion for LiDAR Range Image Synthesis

Stavros Bouras, Antonios Makris, Alexandros Gkillas, Aris S. Lalos, Konstantinos Tserpes

LiDAR semantic segmentation is a key perception task in autonomous driving, where false predictions can affect downstream planning and safety-critical decision-making. Although adversarial attacks, and specifically adversarial examples, have been widely studied for image classifi…

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arxivcs.ROcs.AI2026-06-26

Fast and Accurate Outlier-Aware LiDAR Super-Resolution for SLAM Applications

Christos Anagnostopoulos, Alexandros Gkillas, Nikos Piperigkos, Aris S. Lalos

This work tackles the challenge of enhancing low-resolution LiDAR sensors for SLAM applications through a novel Deep Unrolling-based Super-Resolution (SR) model. We integrate an outlier removal module to ensure structural integrity while maintaining real-time performance. By leve…

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