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Deep Multi-scale Convolutional Neural Network for Hyperspectral Image Classification

机译:深度多尺度卷积神经网络用于高光谱图像分类

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In this paper, we proposed a multi-scale convolutional neural network for hyperspectral image classification task. Firstly, compared with conventional convolution, we utilize multi-scale convolutions, which possess larger respective fields, to extract spectral features of hyperspectral image. We design a deep neural network with a multi-scale convolution layer which contains 3 different convolution kernel sizes. Secondly, to avoid overfitting of deep neural network, dropout is utilized, which randomly sleeps neurons, contributing to improve the classification accuracy a bit. In addition, new skills like ReLU in deep learning is utilized in this paper. We conduct experiments on University of Pavia and Salinas datasets, and obtained better classification accuracy compared with other methods.
机译:在本文中,我们提出了一种用于高光谱图像分类任务的多尺度卷积神经网络。首先,与常规卷积相比,我们利用具有较大各自场的多尺度卷积来提取高光谱图像的光谱特征。我们设计了一个具有多尺度卷积层的深度神经网络,其中包含3种不同的卷积核大小。其次,为避免深度神经网络的过度拟合,利用了辍学机制,该机制使神经元随机进入睡眠状态,从而有助于稍微提高分类的准确性。此外,本文还利用了诸如深度学习中的ReLU之类的新技能。我们对帕维亚大学和萨利纳斯大学的数据集进行了实验,与其他方法相比,获得了更好的分类准确性。

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