W-net: Deep Convolutional Network with Gray-Level Co-occurrence Matrix and Hybrid Loss Function for Hyperspectral Image Classification
文献类型： 会议论文
第一作者： Jinchao Jiao
作者： Jinchao Jiao 1 ; Changqing Yin 1 ; Fei Teng 2 ;
作者机构： 1.School of Software Engineering, Tongji University
2.Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences
关键词： Deep learning;Hyperspectral image classification;Convolutional neural networks;Gray-level co-occurrence matrix;Texture extraction
会议名称： International Conference on Intelligent Computing
主办单位：
页码： 112-124
摘要： Hyperspectral image (HSI) classification is a significant and demanding research area in the field of remote sensing and earth observation. The effective extraction and utilization of texture features from HSI is a challenging problem. In addition, class imbalance is the common problem in the remote sensing datasets, further complicating the HSI task of achieving optimal performance. To address these two problems, in this paper, a deep learning network W-net with gray-level co-occurrence matrix (GLCM) for HSI classification and a hybrid loss function are proposed. The network can utilize GLCM to extract each texture feature for each band of the HSI. The extracted feature maps and the RGB image are down-sampled simultaneously in the encoder part, and then upsampled to obtain the final classification map in the decoder part. Meanwhile, the hybrid loss function combines focal loss (FL) with softmax equalization loss (SEQL) to adjust the balance between classes and suppress the gradient of negative samples in rare classes. Experimental results show that the proposed network demonstrates the effective integration of texture features from hyperspectral data using GLCM in the training process, while also offering a solution to the problem of class imbalance, resulting in a promising HSI classification performance.
分类号： tp18-53
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