视觉抑制注意力的图像分类网络
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作者单位:

1.辽宁工程技术大学软件学院;2.光电信息控制和安全技术重点实验室

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中图分类号:

TP391

基金项目:

国家自然科学基金 (No. 61601213),辽宁省自然科学基金 (No. 20170540426),辽宁省教育厅重点项目(LJ2017QL034)


Visual Inhibition Attention Network for Image Classification
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National Natural Science Foundation of China (No. 61601213),Natural Science Foundation of Liaoning Province (No. 20170540426),Key Fund of Liaoning Provincial Department of Education (LJ2017QL034)

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    摘要:

    针对现有注意力机制因通道特征响应失衡与空间特征缺乏差异化调制,导致模型背景噪声抑制能力不足、难以有效聚焦关键特征的问题,本文受生物视觉系统中“中心兴奋-周边抑制”机制启发,提出视觉抑制注意力的图像分类网络(VIANet).该网络的关键创新在于构建了一个视觉抑制注意力模块.该模块在通道维度上,通过对高响应通道施加适度抑制,使网络从更多通道中提取互补信息,促进通道响应的均衡分布,从而提升通道表征的判别性与鲁棒性.空间维度上,通过构建动态椭圆感知域模型,基于空间距离对外周区域施加抑制,在保持中心区域特征高分辨率的同时,有效抑制背景噪声,增强对目标感兴趣区域特征的建模能力.该模块通过通道与空间的联合抑制调制,实现对重要特征的增强与冗余信息的抑制.在CIFAR-10、CIFAR-100、SVHN、Imagenette与Imagewoof多个数据集上的实验结果表明,所提方法在分类准确率上均优于现有主流方法.

    Abstract:

    To address the issues of insufficient background noise suppression and difficulty in effectively focusing on key features in existing attention mechanisms due to imbalanced channel feature responses and lack of differentiated modulation of spatial features, this paper proposes a Visual Inhibition Attention Network for Image Classification (VIANet) inspired by the “central excitation-peripheral inhibition” mechanism in the biological visual system. The key innovation of this network lies in the construction of a visual inhibition attention module. In the channel dimension, this module applies moderate inhibition to high-response channels, enabling the network to extract complementary information from more channels and promoting a balanced distribution of channel responses, thereby enhancing the discriminability and robustness of channel representations. In the spatial dimension, by constructing a dynamic elliptical perception field model, inhibition is applied to peripheral areas based on spatial distance, effectively suppressing background noise while maintaining high resolution of central area features, and enhancing the modeling ability for features in target regions of interest. This module achieves the enhancement of important features and the suppression of redundant information through joint inhibition modulation of channels and space. Experimental results on multiple datasets, including CIFAR-10, CIFAR-100, SVHN, Imagenette, and Imagewoof, show that the proposed method outperforms existing mainstream methods in terms of classification accuracy.

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  • 收稿日期:2026-04-22
  • 最后修改日期:2026-07-21
  • 录用日期:2026-07-22
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