PolSAR image classification based on object-oriented technology

Yan XIAO; Bin WANG

doi:10.11972/j.issn.1001-9014.2020.04.015

Journals >Journal of Infrared and Millimeter Waves >Volume 39 >Issue 4 >Page 505 > Article

Journal of Infrared and Millimeter Waves
Vol. 39, Issue 4, 505 (2020)

PolSAR image classification based on object-oriented technology

Yan XIAO¹ and Bin WANG²

Author Affiliations

¹College of Exploration and Surveying Engineering, Changchun Institute of Technology, Changchun3002, China

²Changchun Institute of Surveying and Mapping, Changchun13001, China

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DOI: 10.11972/j.issn.1001-9014.2020.04.015 Cite this Article

Yan XIAO, Bin WANG. PolSAR image classification based on object-oriented technology[J]. Journal of Infrared and Millimeter Waves, 2020, 39(4): 505 Copy Citation Text

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Fig. 1. Location map of study area

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Fig. 2. RADARSAT-2 image (Pauli RGB composition).

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Fig. 3. Distribution map of samples for each class

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Fig. 4. Comparison of accuracies for classifications

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Fig. 5. Land-use maps based on different classification methods

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分解方法	极化参数
Pauli	Pauli_ a	Pauli_ b	Pauli_ c
Krogager	Krogager_ KS	Krogager_KH	Krogager_KD
Huynen	Huynen_T₁₁	Huynen_T₂₂	Huynen_T₃₃
Barnes1	Barnes1_T₁₁	Barnes1_T₂₂	Barnes1_T₃₃
Barnes2	Barnes2_T₁₁	Barnes2_T₂₂	Barnes2_T₃₃
Cloude	Cloude_T₁₁	Cloude_T₂₂	Cloude_T₃₃
H/A/α	H/A/α_T₁₁	H/A/α_T₂₂	H/A/α_T₃₃
	Entropy(H)	SERD	RVI
	DERD	PolarizationAsymmetry(PA)	ShannonEntropy (SE)
	PedestalHeight (PH)	PolarizationFraction (PF)	Anisotropy(A)
Freeman2	Freeman2_Vol	Freeman2_Ground
Freeman3	Freeman_Vol	Freeman_Odd	Freeman_Dbl
Yamaguchi3	Yamaguchi3_Vol	Yamaguchi3_Odd	Yamaguchi3_Dbl
Yamaguchi4	Yamaguchi4_Vol	Yamaguchi4_Odd	Yamaguchi4_Dbl
	Yamaguchi4_Hlx
Neumann	Neumann_delta_mod	Neumann_delta_pha
Touzi	TSVM_alpha_s	TSVM_alpha_s1	TSVM_alpha_s2
	TSVM_alpha_s3	TSVM_tau_m	TSVM_tau_m1
	TSVM_tau_m2	TSVM_tau_m3
Holm1	Holm1_T₁₁	Holm1_T₂₂	Holm1_T₃₃
Holm2	Holm2_T₁₁	Holm2_T₂₂	Holm2_T₃₃
Van Zyl	VanZyl3_Vol	VanZyl3_Odd	VanZyl3_Dbl

Table 1. 极化分解方法及相应的极化参数

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	水体	道路	居民地	耕地	林地	草地	总和	UA/(%)
水体	693295	5500	50127	0	721	2931	752574	92.12
道路	610	938013	80331	50388	60134	51158	1180634	79.45
居民地	1142	113522	2874381	28776	51145	5961	3074927	93.48
耕地	0	113578	169628	3908101	827790	1241	5020338	77.85
林地	491	125447	73537	180194	3124430	3524	3507353	89.08
草地	0	41578	6670	2464	2797	143533	197042	72.84
总和	695538	1337638	3254674	4169923	4067017	208078
PA/(%)	99.68	70.12	88.32	93.72	76.82	68.98
OA/(%)	85.06
Kappa	0.8006

Table 2. 分类结果的混淆矩阵

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	总体精度/(%)	Kappa	耗时
本文方法	85.06	0.8006	17 min
Pauli+ReliefF-PSO_SVM+集成	62.52	0.5002	14 min
极化分解+FSO+集成	65.37	0.5376	14h13min
极化分解+ReliefF-PSO_SVM	83.10	0.7747	9 min

Table 3. 不同分类方法的分类精度对比

Yan XIAO, Bin WANG. PolSAR image classification based on object-oriented technology[J]. Journal of Infrared and Millimeter Waves, 2020, 39(4): 505

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