双频通道差异增强的图像分类网络OA
Dual-Frequency Channel Difference Enhancement for Image Classification
针对图像分类网络中图像特征区分度偏低,进而降低特征表达能力的问题,提出双频通道差异增强的图像分类网络(dual-frequency channel difference enhancement for image classification,DCDENet).该网络以ResNet-34残差网络为基础.提出自定义差异增强卷积(custom difference enhancement convolution,CDEC)模块,对特征进行高响应值增强、低响应值抑制,增强高频特征和低频特征的差异,提高特征的表达能力.提出通道分离重构(chan-nel separation and reconstruction,CSR)模块,将自定义差异增强卷积和通道重建卷积相融合,利用分离-变换-差异增强-融合策略,提高网络对关键特征的提取能力,减少冗余特征对网络信息传递的影响.将CSR模块嵌入到残差块中,提高训练的稳定性和收敛速度,增强特征的非线性表示能力,提高网络的分类能力.该方法在CIFAR-10、CIFAR-100和SVHN数据集上分别达到了96.66%、80.08%和97.55%的分类准确率,与当前先进的方法相比分别平均提高了3.56、4.77和4.24个百分点.与现有主流模型相比,该网络能够有效提高特征的表达能力和网络对关键特征的提取能力,减少通道中的冗余特征,增强特征的非线性表示能力,有效地提高了模型的分类能力.
Aiming at the problem that image feature differentiation is low in image classification networks,which in turn reduces feature expression ability,a dual-frequency channel difference enhancement for image classification(DCDENet)is proposed.The network is based on the ResNet-34 residual network.Firstly,a custom difference enhancement convolu-tion(CDEC)module is proposed to enhance features with high response value,suppress features with low response value,enhance the difference between high frequency features and low frequency features,and improve the expression ability of features.Secondly,the channel separation and reconstruction(CSR)module is proposed,which integrates the custom difference-enhanced convolution and channel reconstruction convolution,and uses the separation-transformation-difference-augmented-fusion strategy to improve the network's ability to extract key features and reduce the impact of redundant features on net-work information transmission.Finally,the CSR module is embedded into the residual block to improve the stability and convergence speed of training,enhance the nonlinear representation ability of features,and improve the classification ability of the network.The proposed method achieves 96.66%,80.08%and 97.55%classification accuracy on CIFAR-10,CIFAR-100 and SVHN data sets,respectively,with an average increase of 3.56,4.77 and 4.24 percentage points compared with the current advanced methods.Compared with the existing mainstream models,this network can effectively improve the expression ability of features and the ability to extract key features,reduce the redundant features in the channel,enhance the nonlinear representation ability of features,and effectively improve the classification ability of the model.
袁姮;范桐桐;高原
辽宁工程技术大学 软件学院,辽宁 葫芦岛 125105辽宁工程技术大学 软件学院,辽宁 葫芦岛 125105辽宁工程技术大学 软件学院,辽宁 葫芦岛 125105
信息技术与安全科学
图像分类自定义差异增强卷积(CDEC)通道重建卷积通道分离重构(CSR)残差网络
image classificationcustom difference enhancement convolution(CDEC)channel reconstruction convolu-tionchannel separation and reconstruction(CSR)residual network
《计算机工程与应用》 2026 (11)
259-271,13
国家自然科学基金(61172144)辽宁省自然科学基金(20170540426)辽宁省教育厅重点基金(LJYL049).
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