Parameter estimation of attributed scattering centers in SAR images based on wolf pack algorithm

Cong Chen

doi:10.3788/IRLA20200409

Journals >Infrared and Laser Engineering >Volume 50 >Issue 4 >Page 20200409 > Article

Infrared and Laser Engineering
Vol. 50, Issue 4, 20200409 (2021)

Parameter estimation of attributed scattering centers in SAR images based on wolf pack algorithm

Cong Chen

Author Affiliations

Concord University College Fujian Normal University, Fuzhou 350117, China

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DOI: 10.3788/IRLA20200409 Cite this Article

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 Copy Citation Text

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Fig. 1. Basic procedure of attributed scattering center estimation via image decoupling

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Fig. 2. Original MSTAR image and generated noisy samples

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Fig. 3. Projection of positions of scattering centers onto the original image

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Fig. 4. Reconstructed results and residuals based on the estimated scattering center set

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Fig. 5. Projection of positions of scattering centers onto the noisy image with SNR=−5 dB

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Fig. 6. Reconstructed results and residuals based on the estimated scattering center set

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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 1. [in Chinese]

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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

Table 2. [in Chinese]

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

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