Yue Ge, Xing Zhong. Building Shadow Detection of Remote Sensing Images Based on Shadow Probability Constraint[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041006
- Laser & Optoelectronics Progress
- Vol. 55, Issue 4, 041006 (2018)
Fig. 1. PC1 contrast diagrams of shadow area. (a) Light color surface feature area near Tianjin tower; (b) deep color surface feature area in north Changchun; (c) PC1 of area marked by red line in Fig.1(a); (d) PC1 of area marked by red line in Fig.1(b)
Fig. 2. Normalized PC1 curve of surface features
![Projection area model of high construction[21]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Projection area model of high construction[21]
Fig. 4. Results of shadow detection in water based on shadow probability. (a) Shadow of water; (b) shadow detection result; (c) morphological threshold result
Fig. 5. Results of shadow detection around Tianjin tower. (a) Original draft; (b) result of double threshold detection method; (c) result of SI method; (d) result of the proposed method
Fig. 6. Results of shadow detection in north Changchun.(a) Original draft; (b) result of double threshold detection method; (c) result of SI method; (d) result of the proposed method
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Table 1. Evaluation results of three detection methods around Tianjin tower
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Table 2. Evaluation results of three detection methods in north Changchun
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