Changdong Ji, Zhonglin Kang. Extraction Method of Urban Area From GF-6 Satellite[J]. Laser & Optoelectronics Progress, 2021, 58(4): 0428003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 4, 0428003 (2021)
Fig. 1. Color photos of test data. (a) Baoji city; (b) Rizhao city; (c) Baoding city
Fig. 2. Spectral curves of different ground features
Fig. 3. Results of extraction of built-up areas by different index methods. (a) VrNIR-BI method; (b) VgNIR-BI method; (c) NBAEI method
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Table 1. Overview of test area
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Table 2. Extraction accuracy of VrNIR-BI method
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Table 3. Extraction accuracy of VgNIR-BI method
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Table 4. Extraction accuracy of NBAEI method
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Table 5. Average extraction accuracy of three methods
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