On the Importance of Neural Membrane Potential Leakage for LIDAR-based Robot Obstacle Avoidance using Spiking Neural Networks

• URL: http://arxiv.org/abs/2507.09538v1
• Date: Sun, 13 Jul 2025 08:43:31 GMT
• Title: On the Importance of Neural Membrane Potential Leakage for LIDAR-based Robot Obstacle Avoidance using Spiking Neural Networks
• Authors: Zainab Ali, Lujayn Al-Amir, Ali Safa,
• Abstract summary: This paper studies the use of Spiking Neural Networks (SNNs) for performing direct robot navigation and obstacle avoidance from LIDAR data.<n>By carefully tuning the membrane potential leakage constant of the spiking Leaky Integrate-and-Fire neurons used within our SNN, it is possible to achieve on-par robot control precision.<n>The LIDAR dataset collected during this work is released as open-source with the hope of benefiting future research.
• Score: 1.0533738606966752
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Using neuromorphic computing for robotics applications has gained much attention in recent year due to the remarkable ability of Spiking Neural Networks (SNNs) for high-precision yet low memory and compute complexity inference when implemented in neuromorphic hardware. This ability makes SNNs well-suited for autonomous robot applications (such as in drones and rovers) where battery resources and payload are typically limited. Within this context, this paper studies the use of SNNs for performing direct robot navigation and obstacle avoidance from LIDAR data. A custom robot platform equipped with a LIDAR is set up for collecting a labeled dataset of LIDAR sensing data together with the human-operated robot control commands used for obstacle avoidance. Crucially, this paper provides what is, to the best of our knowledge, a first focused study about the importance of neuron membrane leakage on the SNN precision when processing LIDAR data for obstacle avoidance. It is shown that by carefully tuning the membrane potential leakage constant of the spiking Leaky Integrate-and-Fire (LIF) neurons used within our SNN, it is possible to achieve on-par robot control precision compared to the use of a non-spiking Convolutional Neural Network (CNN). Finally, the LIDAR dataset collected during this work is released as open-source with the hope of benefiting future research.

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