Optical identification is often done with spatial or temporal visual pattern recognition and localization. Temporal pattern recognition, depending on the technology, involves a trade-off between communication frequency, range and accurate tracking. We propose a solution with light-emitting beacons that improves this trade-off by exploiting fast event-based cameras and, for tracking, sparse neuromorphic optical flow computed with spiking neurons. The system is embedded in a simulated drone and evaluated in an asset monitoring use case. It is robust to relative movements and enables simultaneous communication with, and tracking of, multiple moving beacons. Finally, in a hardware lab prototype, we demonstrate for the first time beacon tracking performed simultaneously with state-of-the-art frequency communication in the kHz range.
@article{arxiv.2303.07169,
title = {Dynamic Event-based Optical Identification and Communication},
author = {Axel von Arnim and Jules Lecomte and Naima Elosegui Borras and Stanislaw Wozniak and Angeliki Pantazi},
journal= {arXiv preprint arXiv:2303.07169},
year = {2024}
}