SAR image classification based on CNN in real and simulation datasets

Lijiang Peng; Ming Liu; Xiaohua Liu; Liquan Dong; Mei Hui; Yuejin Zhao

doi:10.1117/12.2303468

10 April 2018 SAR image classification based on CNN in real and simulation datasets

Lijiang Peng, Ming Liu, Xiaohua Liu, Liquan Dong, Mei Hui, Yuejin Zhao

Proceedings Volume 10615, Ninth International Conference on Graphic and Image Processing (ICGIP 2017); 106152V (2018) https://doi.org/10.1117/12.2303468
Event: Ninth International Conference on Graphic and Image Processing, 2017, Qingdao, China

Abstract

Convolution neural network (CNN) has made great success in image classification tasks. Even in the field of synthetic aperture radar automatic target recognition (SAR-ATR), state-of-art results has been obtained by learning deep representation of features on the MSTAR benchmark. However, the raw data of MSTAR have shortcomings in training a SAR-ATR model because of high similarity in background among the SAR images of each kind. This indicates that the CNN would learn the hierarchies of features of backgrounds as well as the targets. To validate the influence of the background, some other SAR images datasets have been made which contains the simulation SAR images of 10 manufactured targets such as tank and fighter aircraft, and the backgrounds of simulation SAR images are sampled from the whole original MSTAR data. The simulation datasets contain the dataset that the backgrounds of each kind images correspond to the one kind of backgrounds of MSTAR targets or clutters and the dataset that each image shares the random background of whole MSTAR targets or clutters. In addition, mixed datasets of MSTAR and simulation datasets had been made to use in the experiments. The CNN architecture proposed in this paper are trained on all datasets mentioned above. The experimental results shows that the architecture can get high performances on all datasets even the backgrounds of the images are miscellaneous, which indicates the architecture can learn a good representation of the targets even though the drastic changes on background.

Citation Download Citation

Lijiang Peng, Ming Liu, Xiaohua Liu, Liquan Dong, Mei Hui, and Yuejin Zhao "SAR image classification based on CNN in real and simulation datasets", Proc. SPIE 10615, Ninth International Conference on Graphic and Image Processing (ICGIP 2017), 106152V (10 April 2018); https://doi.org/10.1117/12.2303468

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