Xinfang Xie, Xin Xu, Hao Dong, Han Wu, Luoru Li. A Semi-Supervised Dimension Reduction Method for Polarimetric SAR Image Classification[J]. Acta Optica Sinica, 2018, 38(4): 0428001
- Acta Optica Sinica
- Vol. 38, Issue 4, 0428001 (2018)
Fig. 1. Spatial scatter distribution of polarimetric features of Flevoland. (a) σHH0, σHV0, σVV0; (b) H, α, A; (c) ρHH-VV, ρHH-HV, ρVV-HV
Fig. 2. Flowchart of polarimetric SAR image classification based on SLDA
Fig. 3. (a) Pseudocolor image; (b) labeled truth in classification of RADARSAT-2 Flevoland
Fig. 4. (a) Pseudocolor image; (b) labeled truth in classification of AIRSAR Flevoland 1
Fig. 5. (a) Pseudocolor image; (b) labeled truth in classification of AIRSAR Flevoland 2
Fig. 6. Relationship between training data number and classification accuracy. (a) RADARSAT-2 Flevoland; (b) AIRSAR Flevoland 1; (c) AIRSAR Flevoland 2
Fig. 7. Relationship between dimension number and classification accuracy. (a) RADARSAT-2 Flevoland; (b) AIRSAR Flevoland 1; (c) AIRSAR Flevoland 2
Fig. 8. Relationship between labeled sample proportion and classification accuracy. (a) RADARSAT-2 Flevoland; (b) AIRSAR Flevoland 1; (c) AIRSAR Flevoland 2
Fig. 9. Relationship between balance factor and classification accuracy. (a) RADARSAT-2 Flevoland; (b) AIRSAR Flevoland 1; (c) AIRSAR Flevoland 2
Fig. 10. Relationship between feature number and classification accuracy
Fig. 11. Classification maps of RADARSAT-2 Flevoland. (a) SLDA+KNN; (b) KNN; (c) PCA+KNN; (d) LPP+KNN; (e) LDA+KNN; (f) local detail maps
Fig. 12. Classification maps of AIRSAR Flevoland 1. (a) SLDA+KNN; (b) KNN; (c) PCA+KNN; (d) LPP+KNN; (e) LDA+KNN
Fig. 13. 3D scatter distribution diagram of AIRSAR Flevoland 2. (a) SLDA; (b) PCA; (c) LPP; (d) LDA
Fig. 14. Classification maps of AIRSAR Flevoland 2. (a) SLDA+KNN; (b) KNN; (c) PCA+KNN; (d) LPP+KNN; (e) LDA+KNN
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Table 1. Classification accuracy of RADARSAT-2 Flevoland%
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Table 2. Classification accuracy of AIRSAR Flevoland 1%
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Table 3. Classification accuracy of AIRSAR Flevoland 2%
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