Infrared and Laser Engineering, Volume. 50, Issue 4, 20200409(2021)
Parameter estimation of attributed scattering centers in SAR images based on wolf pack algorithm
Figures & Tables(8)
Fig. 1. Basic procedure of attributed scattering center estimation via image decoupling
Fig. 3. Projection of positions of scattering centers onto the original image
Fig. 4. Reconstructed results and residuals based on the estimated scattering center set
Fig. 5. Projection of positions of scattering centers onto the noisy image with SNR=−5 dB
Fig. 6. Reconstructed results and residuals based on the estimated scattering center set
Table 1. [in Chinese]
View tableView in ArticleTable 1. [in Chinese]
Index $A$ ${x_p}/{\rm{m} }$ ${y_p}/{\rm{m} }$ ${L_p}/{\rm{m} }$ $\alpha $ ${\gamma _p}$ ${\phi _p}$ 1 474.68 −0.95 7.78 0.00 1.00 0.00 0.00 2 342.72 −1.73 14.85 0.00 1.00 −0.16 0.00 3 921.02 −3.86 4.81 5.05 1.00 0.00 0.41 4 207.27 4.65 4.30 0.00 0.00 0.00 0.00 5 202.58 −0.29 13.10 4.27 1.00 0.00 0.85 6 173.25 7.74 10.01 0.00 0.00 0.00 0.00 7 168.74 −7.53 −5.93 0.00 1.00 0.00 0.00 8 168.17 −10.20 −11.21 0.00 0.00 0.00 0.00 9 151.65 −5.00 9.77 0.00 1.00 0.00 0.00 10 130.78 4.47 11.42 0.00 1.00 −0.18 0.00 11 115.22 5.60 13.17 0.00 1.00 −0.19 0.00 12 110.69 −6.28 13.03 0.00 0.00 0.00 0.00 13 106.40 5.06 −3.78 0.00 1.00 −0.19 0.00 14 94.21 0.62 2.14 0.00 0.00 1.02 0.00 15 89.32 −10.94 −14.31 0.00 1.00 −0.19 0.00
Table 2. [in Chinese]
View tableView in ArticleTable 2. [in Chinese]
Index $A$ ${x_p}/{\rm{m} }$ ${y_p}/{\rm{m} }$ ${L_p}/{\rm{m} }$ $\alpha $ ${\gamma _p}$ ${\phi _p}$ 1 378.70 −1.00 7.93 0.00 0.00 0.00 0.00 2 240.09 −1.87 14.76 0.00 0.00 0.00 0.00 3 161.99 −5.64 4.76 0.00 0.00 2.85 0.00 4 164.57 4.64 4.04 0.00 1.00 0.00 0.00 5 122.81 7.87 9.71 0.00 0.00 2.22 0.00 6 147.56 2.57 13.48 0.00 0.00 0.00 0.00 7 126.69 −0.97 4.78 0.00 1.00 −0.17 0.00 8 123.77 −10.33 −11.67 0.00 0.00 1.64 0.00 9 119.77 −7.43 −5.92 0.00 0.00 0.00 0.00 10 105.84 5.08 12.16 0.00 1.00 0.00 0.00 11 105.50 −5.19 9.74 0.00 1.00 0.00 0.00 12 89.34 0.66 1.98 0.00 0.00 0.00 0.00 13 82.88 −6.69 12.75 0.00 0.00 0.00 0.00 14 76.74 5.60 6.55 4.40 0.00 0.00 0.17 15 67.00 5.02 −4.01 0.00 0.00 2.05 0.00
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Cong Chen. Parameter estimation of attributed scattering centers in SAR images based on wolf pack algorithm[J]. Infrared and Laser Engineering, 2021, 50(4): 20200409
Paper Information
Category: Image processing
Received: Oct. 18, 2020
Accepted: --
Published Online: Jul. 30, 2021
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