Zhang Panpan, Luo Haibo, Ju Moran, Hui Bin, Chang Zheng. An improved Capsule and its application in target recognition of SAR images[J]. Infrared and Laser Engineering, 2020, 49(5): 20201010
- Infrared and Laser Engineering
- Vol. 49, Issue 5, 20201010 (2020)
Fig. 1. Structure of Capsule unit
Fig. 2. Layers of reconstruction of Capsule network
Fig. 3. Structure of original Capsule network and improved Capsule network
Fig. 4. Optical images and their corresponding MSTAR SAR images for (a) and (b) BMP2, BTR70, T72, BTR60, and 2S1; (c) and (d) BRDM2, D7, T62, ZIL131, and ZSU23/4
Fig. 5. Reconstruction result of improved Capsule. (a) Original image，(b) Target image and (c) Reconstruction image
Fig. 6. Reconstruction error curve and training loss curve of improved Capsule network. (a) Reconstruction error curve and (b) training loss curve
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Table 1. Performance comparison of improved Capsule network and Capsule network
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Table 2. Raw SAR dataset for training and testing in experiment
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Table 3. Confusion matrix of 10-class target recognition results of Capsule network(recognition rate: 98.48%)
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Table 4. Confusion matrix of 10-class recognition results of improved Capsule network (recognition rate: 98.85%)
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Table 5. Recognition performance of different methods
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