Dr. Piotr Antonik Profile

Dr. Piotr Antonik

at Centralesupelec

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Proceedings Article | 2 March 2020 Paper

Automatic classification of video using a scalable photonic neuro-inspired architecture

Damien Rontani, Piotr Antonik, Nicolas Marsal, Daniel Brunner

Proceedings Volume 11274, 112740F (2020) https://doi.org/10.1117/12.2551368

KEYWORDS: Video, Spatial light modulators, Optical computing, Cameras, Neural networks, Neurons, Computing systems

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We propose a physical alternative of software based approaches for advanced classification task by considering a photonic-based architecture implementing a recurrent neural network with up to 16,384 physical neurons. This architecture is realized with o↵-the-shelf components and can be scaled up to hundred thousand or millions of nodes while ensuring data-ecient training strategy thanks to the reservoir computing framework. We use this architecture to perform a challenging computer vision task: the classification of human actions from a video feed. For this task, we show for the first time that a physical architecture with a simple learning strategy, consisting of training one linear readout for each class, can achieve a >90% success rate in terms of classification accuracy. This rivals the deep-learning approaches in terms of level of performance and hence could pave the way towards novel paradigm for ecient real-time video processing at the physical layer using photonic systems.

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