A Bio-Plausible Visual Neural Network for Locust-Inspired Collision Perception

• URL: http://arxiv.org/abs/2609.10183v1
• Date: Wed, 09 Sep 2026 13:52:05 GMT
• Title: A Bio-Plausible Visual Neural Network for Locust-Inspired Collision Perception
• Abstract summary: We propose a biologically plausible neural network for locust-inspired looming detection.<n>The proposed framework incorporates a spatially isotropic sampling strategy that mimics the ommatidial organization of the locust compound eye.<n>Experiments on synthetic stimuli, laboratory sequences, and real-world driving scenarios demonstrate that the proposed model improves robustness under challenging visual conditions.
• Score: 7.226649050728107
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Locust visual systems have long served as an important biological paradigm for studying looming perception and collision avoidance. Numerous computational models have successfully reproduced the selective responses of Lobula Giant Movement Detector (LGMD) neurons to approaching objects, thereby emulating the fundamental functionality of the biological system. However, existing models remain limited in biological plausibility and robustness when operating in complex and dynamic visual environments. To address these limitations, we propose a biologically plausible neural network for locust-inspired looming detection. The proposed framework incorporates a spatially isotropic sampling strategy that mimics the ommatidial organization of the locust compound eye, a population-voting mechanism inspired by population coding in biological neural systems, and leaky integrate-and-fire neuronal dynamics to replace conventional sigmoid-based membrane activation. Systematic experiments on synthetic stimuli, laboratory sequences, and real-world driving scenarios demonstrate that the proposed model improves robustness under challenging visual conditions while preserving computational efficiency and enhancing biological fidelity. These results highlight the potential of biologically grounded neural computation for robust and efficient collision perception.

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