基于小波变换和深度网络的着陆地貌图像分类

刘芳; 韩笑

doi:10.12263/DZXB.20200870

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电子学报 ›› 2021, Vol. 49 ›› Issue (11) : 2171-2176. DOI: 10.12263/DZXB.20200870

学术论文

基于小波变换和深度网络的着陆地貌图像分类

作者信息 +

Image Classification of Landing Landform Based on Wavelet Transform and Deep Network

Author information +

文章历史 +

本文亮点

针对无人机着陆地貌图像场景复杂、纹理特征丰富等问题，提出一种基于小波变换和深度网络的无人机着陆地貌图像分类算法.利用非下采样小波变换（Non-Subsampled Wavelet Transform，NSWT）的快速压缩能力，将小波变换后的前两层子图系数引入到卷积神经网络（CNN）中，压缩数据量.根据无人机着陆地貌图像的特点，采用轻量化卷积模块设计了15层卷积神经网络.通过支持向量机（SVM）实现复杂地貌场景的正确分类.实验结果表明：所提算法具有良好的特征表达能力，提升了着陆地貌图像的分类准确率.

HeighLight

Aiming at the problems of complex scenes and rich texture features of UAV landing landform image, a classification algorithm of UAV landing landform image based on wavelet transform and deep network is proposed. Using the fast compression capability of non-subsampled wavelet transform (NSWT), the first two layers of sub-image coefficients after wavelet transform are introduced into the convolutional neural network (CNN) to compress the amount of data. According to the characteristics of UAV landing landform image, a 15-layer convolutional neural network is designed using a lightweight convolution module. The correct classification of complex geomorphological scenes is realized by support vector machine (SVM). The experimental results show that the proposed algorithm has good feature expression ability and improves the classification accuracy of landing landform images.

导出引用

刘芳 , 韩笑. 基于小波变换和深度网络的着陆地貌图像分类[J]. 电子学报, 2021, 49(11): 2171-2176. https://doi.org/10.12263/DZXB.20200870

LIU Fang , HAN Xiao. Image Classification of Landing Landform Based on Wavelet Transform and Deep Network[J]. Acta Electronica Sinica, 2021, 49(11): 2171-2176. https://doi.org/10.12263/DZXB.20200870

中图分类号： TN911.73

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