Laser & Optoelectronics Progress, Volume. 57, Issue 22, 221020(2020)
Multi-Resolution Selection of SAR Images and Target Recognition Based on Nonlinear Correlation Information Entropy
Figures & Tables(11)
Fig. 1. Diagram of multi-resolution representations. (a) 0.3m; (b) 0.4m; (c) 0.5m; (d) 0.6m
Fig. 2. Selection of multi-resolution representations and target recognition method based on nonlinear correlation information entropy for SAR images
Table 1. NCIE value under different subsets of resolution
View tableTable 1. NCIE value under different subsets of resolution
Subset of resolution NCIE (0.3, 0.35, 0.45, 0.5, 0.55) 0.88 (0.3, 0.35, 0.4, 0.5) 0.82 (0.3, 0.35, 0.45, 0.55) 0.79 (0.35, 0.4, 0.45) 0.71 (0.3, 0.35, 0.4) 0.68
Table 2. Training set and test set under standard operating condition
View tableTable 2. Training set and test set under standard operating condition
Class Training set(17°) Test set(15°) Configuration(SN) Number of samples Configuration(SN) Number of samples BMP2 9563 233 9563 9566 C21 195 196 196 BTR70 — 233 — 196 T72 132 232 132 812 S7 196 195 191 T62 — 299 — 273 BRDM2 — 298 — 274 BTR60 — 256 — 195 ZSU23/4 — 299 — 274 D7 — 299 — 274 ZIL131 — 299 — 274 2S1 — 299 — 274
Table 3. Average recognition rate under standard operating condition
View tableTable 3. Average recognition rate under standard operating condition
Method Proposed method Multi-resolution 1 Multi-resolution 2 Monogenic CNN Average recognition rate/% 98.92 98.17 98.43 97.81 97.68
Table 4. Training set and test set under different pitch angles
View tableTable 4. Training set and test set under different pitch angles
Class Training set Test set Pitch angle Number of samples Pitch angle Number of samples 2S1 17° 299 30° 45° 288 303 BRDM2 17° 298 30° 45° 287 303 ZSU23/4 17° 299 30° 45° 288 303
Table 5. Average recognition rate under different pitch angles
View tableTable 5. Average recognition rate under different pitch angles
Method Average recognition rate/% 30° 45° Proposed method 97.86 74.17 Multi-resolution 1 96.52 71.26 Multi-resolution 2 97.07 71.82 Monogenic 96.48 70.26 CNN 95.68 65.56
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Jie He, Xin Chen. Multi-Resolution Selection of SAR Images and Target Recognition Based on Nonlinear Correlation Information Entropy[J]. Laser & Optoelectronics Progress, 2020, 57(22): 221020
Paper Information
Category: Image Processing
Received: Mar. 26, 2020
Accepted: Apr. 27, 2020
Published Online: Nov. 10, 2020
The Author Email: Jie He (sunflower_xpj@163.com)
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