A Bio-Plausible Neural Network Integrating Motion and Disparity Pathways for Looming Perception

ZHOU Hao-ting; FANG Chuan-kai; LIU Ren-yuan; PENG Ji-gen; FU Qin-bing

doi:10.12263/DZXB.20250337

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A Bio-Plausible Neural Network Integrating Motion and Disparity Pathways for Looming Perception

PAPERS | 更新时间：2025-12-27

- A Bio-Plausible Neural Network Integrating Motion and Disparity Pathways for Looming Perception
- ACTA ELECTRONICA SINICA Vol. 53, Issue 8, Pages: 2899-2914(2025)
- 作者机构：
  
  1.广州大学数学与信息科学学院，广东广州 510006
  2.广州大学机器生命与智能研究中心，广东广州 510006
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(12031003;62376063;12571558)
- DOI：10.12263/DZXB.20250337
  CLC： TP183;TP242
- Received：28 April 2025，
  
  Accepted：22 July 2025，
  
  Published：25 August 2025
- 稿件说明：
移动端阅览
周浩艇, 房川凯, 刘稔远, 等. 基于运动视觉与视差协同计算的迫近感知神经网络[J]. 电子学报, 2025, 53(08): 2899-2914.

ZHOU Hao-ting, FANG Chuan-kai, LIU Ren-yuan, et al. A Bio-Plausible Neural Network Integrating Motion and Disparity Pathways for Looming Perception[J]. Acta Electronica Sinica, 2025, 53(08): 2899-2914.
周浩艇, 房川凯, 刘稔远, 等. 基于运动视觉与视差协同计算的迫近感知神经网络[J]. 电子学报, 2025, 53(08): 2899-2914. DOI：10.12263/DZXB.20250337

ZHOU Hao-ting, FANG Chuan-kai, LIU Ren-yuan, et al. A Bio-Plausible Neural Network Integrating Motion and Disparity Pathways for Looming Perception[J]. Acta Electronica Sinica, 2025, 53(08): 2899-2914. DOI：10.12263/DZXB.20250337

摘要

从自然界中动物的正常生存到工业中机器的安全运作，碰撞感知能力始终至关重要.受蝗虫视觉神经元LGMD（Lobula Giant Movement Detector）的启发，许多仿生的计算模型已经被用于实时可靠的碰撞感知.然而，受限于二维单目的输入信号，目前的方法难以捕捉运动目标的深度特征，进而无法满足在复杂的真实动态场景下进行迫近感知的需求.因此，本研究提出一种融合生物似然性运动通路和视差通路的三维迫近感知模型.在突触前神经网络，通过对2种视觉通路从时空维度上进行实时神经信号整合，所提出的模型不仅能够有效排除大范围的背景杂波干扰，而且可以明显抑制前景非迫近运动所产生的视觉刺激，降低了对突然出现在感受野目标的关注度，进一步提高在未知现实环境中对迫近运动的选择.真实场景数据集的离线测试，以及在线机器人测试的实验结果显示，与目前最先进的方法相比，我们的模型在时间复杂度降低了一个数量级的前提下，准确率提升至96.09%，且能够协助移动机器人在自主导航时实时稳健检测，避免潜在的碰撞威胁.研究综合揭示出迫近感知神经网络对于运动通路的高效性以及视差通路的可靠性，具备显著的协同能力.

Abstract

The capacity to perceive collisions is essential

from the survival of animals in nature to the safe operation of machines in industrial environments. Inspired by the locust visual neuron LGMD (Lobula Giant Movement Detector)

numerous biomimetic computational models have been developed for real-time and reliable collision detection. However

constrained by two-dimensional monocular visual input

existing methods struggle to capture the depth features of moving objects

thus failing to meet the demands of looming perception in complex dynamic scenarios. To address this

this study proposes a 3D looming perception model that integrates bio-plausible motion and disparity pathways. In the presynaptic neural network

the proposed model achieves spatiotemporal integration of neural signals from both visual pathways. This not only effectively eliminates background clutter interference but also significantly suppresses visual stimuli caused by non-looming foreground motion

while reducing attention to targets suddenly appearing within the field of vision. Consequently

the model enhances selectivity for approaching objects in unknown realistic environments. The experimental results of offline tests on real scene datasets and online tests on robot validate that our model attains an accuracy of 96.09% while reducing time complexity by an order of magnitude compared with the state-of-art method. Furthermore

it enables mobile robots to detect and avoid potential collisions in real-time during autonomous navigation. The study demonstrates a significantly synergistic fusion of the motion pathway’s efficiency and the disparity pathway’s reliability accomplished by the proposed neural network.

关键词

Keywords

references

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