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基于深度学习的无标签超分辨率土地覆盖制图研究

Research on Label-free Super-resolution Land Cover Mapping Based on Deep Learning

  • 摘要: 通过整合标签超分辨率(SR)和实例批量归一化网络(IBN−Net),在无本地高分辨率标签的情况下,实现了福建省光泽县的2 m分辨率土地覆盖制图,提出了一种基于深度学习的无标签土地覆盖制图方法。结果表明:利用改进的全卷积神经网络(FCN)模型能够实现标签超分辨率,将低分辨率标签提升至高分辨率,有效提高分类精度;IBN−Net网络增强了模型的泛化能力,显著提升跨域应用的效果。相比于内源低分辨率标签,使用高精度的外源标签使模型在光泽县的整体准确率提高2.55%,达到85.48%。本方法在无匹配标签条件下,显著提升土地覆盖制图的精度,可为区域生态监测和管理提供有效的技术支持。

     

    Abstract: In this study, we propose a deep learning-based unlabeled land cover mapping method to achieve 2 m resolution land cover mapping in Glossy County, Fujian Province, without local high-resolution labels by integrating label super-resolution (SR) and Instance Batch Normalized Network (IBN−Net). The results show that label super-resolution can be achieved using the improved fully convolutional neural network (FCN) model, which upgrades the low-resolution labels to high-resolution and effectively improves the classification accuracy. The IBN−Net network enhances the generalization ability of the model and significantly improves the effectiveness of cross-domain applications. Compared with endogenous low-resolution labels, using high-precision exogenous labels improved the overall accuracy of the model in Glossy County by 2.55% to 85.48%. The method in this study significantly improves the accuracy of land cover mapping without matching labels, which can provide effective technical support for regional ecological monitoring and management.

     

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