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-  2018 

基于ImageNet预训练卷积神经网络的遥感图像检索
Remote Sensing Image Retrieval Using Pre-trained Convolutional Neural Networks Based on ImageNet

DOI: 10.13203/j.whugis20150498

Keywords: 遥感图像,检索,卷积神经网路,预训练,
remote sensing image
,retrieval,convolutional neural networks,pre-trained

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Abstract:

高分辨率遥感图像内容复杂,细节信息丰富,传统的浅层特征在描述这类图像上存在一定难度,容易导致检索中存在较大的语义鸿沟。本文将大规模数据集ImageNet上预训练的4种不同卷积神经网络用于遥感图像检索,首先分别提取4种网络中不同层次的输出值作为高层特征,再对高层特征进行高斯归一化,然后采用欧氏距离作为相似性度量进行检索。在UC-Merced和WHU-RS数据集上的一系列实验结果表明,4种卷积神经网络的高层特征中,以CNN-M特征的检索性能最好;与视觉词袋和全局形态纹理描述子这两种浅层特征相比,高层特征的检索平均准确率提高了15.7%~25.6%,平均归一化修改检索等级减少了17%~22.1%。因此将ImageNet上预训练的卷积神经网络用于遥感图像检索是一种有效的方法

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