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Convolutional Neural Network With Data Augmentation for SAR Target Recognition
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DOI：10.1109/LGRS.2015.2513754.png)
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摘要
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Many methods have been proposed to improve the performance of synthetic aperture radar (SAR) target recognition but seldom consider the issues in real-world recognition systems, such as the invariance under target translation, the invariance under speckle variation in different observations, and the tolerance of posemissing in training data. In this letter, we investigate the capability of a deep convolutional neural network (CNN) combined with three types of data augmentation operations in SAR target recognition. Experimental results demonstrate the effectiveness and efficiency of the proposed method. The best performance is obtained by using the CNN trained by all types of augmentation operations, showing that it is a practical approach for target recognition in challenging conditions of target translation, random speckle noise, and missing pose.
Keyword:
Convolutional neural network (CNN)
data augmentation
feature extraction
synthetic aperture radar (SAR)
image
target recognition
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