Infrared and Laser Engineering, Volume. 51, Issue 8, 20210581(2022)
Application of firework algorithm into parameter estimation of attributed scattering centers in SAR images
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Fig. 3. Reconstructed target and residuals based on the estimated scattering centers
Table 1. Parameter estimation results of attributed scattering centers in a MSTAR SAR image
View tableView in ArticleTable 1. Parameter estimation results of attributed scattering centers in a MSTAR SAR image
No. $ \left| A \right| $ ${x_p}/{\text{m} }$ ${y_p}/{\text{m} }$ ${L_p}/{\text{m} }$ $ \alpha $ $ {\gamma _p} $ $ {\phi _p} $ 1 513.62 −1.97 7.53 0.00 0.00 0.00 0.00 2 483.50 −8.08 12.28 2.57 0.00 0.00 0.17 3 216.39 3.18 3.75 0.00 0.00 1.82 0.00 4 131.06 10.60 −1.87 0.00 0.00 3.70 0.00 5 164.36 −5.68 6.08 0.00 0.00 0.00 0.00 6 138.23 −14.85 3.40 0.00 0.00 −0.18 0.00 7 133.72 6.99 1.63 0.00 1.00 0.00 0.00 8 523.03 −4.67 2.71 5.94 1.00 0.00 0.29 9 120.12 −13.06 7.07 0.00 0.00 0.00 0.00 10 148.23 6.69 −5.80 2.50 0.00 0.00 −0.02 11 95.01 −10.32 5.00 0.00 0.00 0.00 0.00 12 88.15 1.26 1.89 0.00 1.00 −0.19 0.00 13 86.96 0.99 7.27 0.00 1.00 −0.19 0.00 14 83.63 −2.94 10.30 0.00 1.00 0.00 0.00 15 80.11 −8.16 6.75 0.00 0.00 −0.19 0.00
Table 2. Training and test samples of the ten targets
View tableView in ArticleTable 2. Training and test samples of the ten targets
Class BMP2 BTR70 T72 T62 BDRM2 BTR60 ZSU23/4 D7 ZIL131 2S1 Training (17°) 232 233 231 299 298 256 299 299 299 299 Testing (15°) 195 196 196 273 274 195 274 274 274 274
Table 3. Average recognition rates of the scattering center matching method using different parameter estimation algorithms
View tableView in ArticleTable 3. Average recognition rates of the scattering center matching method using different parameter estimation algorithms
Parameter estimation algorithm Average recognition rate Simulated annealing 98.16 Dynamic particle swarm optimization 98.56 Sparse representation 98.74 Proposed 99.02
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Zhihong Zhou, Xiuzhen Chen, Jin Ma, Zhengmin Xia. Application of firework algorithm into parameter estimation of attributed scattering centers in SAR images[J]. Infrared and Laser Engineering, 2022, 51(8): 20210581
Paper Information
Category: Image processing
Received: Dec. 2, 2021
Accepted: --
Published Online: Jan. 9, 2023
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