Event-driven figure-ground organisation model for the humanoid robot iCub

Giulia D’Angelo (), Simone Voto, Massimiliano Iacono, Arren Glover, Ernst Niebur and Chiara Bartolozzi
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Giulia D’Angelo: Event Driven Perception for Robotics
Simone Voto: Event Driven Perception for Robotics
Massimiliano Iacono: Event Driven Perception for Robotics
Arren Glover: Event Driven Perception for Robotics
Ernst Niebur: Mind/Brain Institute
Chiara Bartolozzi: Event Driven Perception for Robotics

Nature Communications, 2025, vol. 16, issue 1, 1-13

Abstract: Abstract Figure-ground organisation is a perceptual grouping mechanism for detecting objects and boundaries, essential for an agent interacting with the environment. Current figure-ground segmentation methods rely on classical computer vision or deep learning, requiring extensive computational resources, especially during training. Inspired by the primate visual system, we developed a bio-inspired perception system for the neuromorphic robot iCub. The model uses a hierarchical, biologically plausible architecture and event-driven vision to distinguish foreground objects from the background. Unlike classical approaches, event-driven cameras reduce data redundancy and computation. The system has been qualitatively and quantitatively assessed in simulations and with event-driven cameras on iCub in various scenarios. It successfully segments items in diverse real-world settings, showing comparable results to its frame-based version on simple stimuli and the Berkeley Segmentation dataset. This model enhances hybrid systems, complementing conventional deep learning models by processing only relevant data in Regions of Interest (ROI), enabling low-latency autonomous robotic applications.

Date: 2025
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DOI: 10.1038/s41467-025-56904-9

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