Building Shadow Detection of Remote Sensing Images Based on Shadow Probability Constraint

Yue Ge; Xing Zhong

doi:10.3788/LOP55.041006

Laser & Optoelectronics Progress, Volume. 55, Issue 4, 041006(2018)

Building Shadow Detection of Remote Sensing Images Based on Shadow Probability Constraint

Yue Ge^1,2 and Xing Zhong^1,2,3、*

¹ Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China

² Chang Guang Satellite Technology Co., Ltd., Changchun, Jilin 130102, China

² University of Chinese Academy of Sciences, Beijing 100049, China

³ Key Laboratory of Satellite Remote Sensing Application Technology of Jilin Province, Changchun, Jilin 130102, China

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Figures & Tables(8)

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)

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Fig. 2. Normalized PC1 curve of surface features

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Fig. 3. Projection area model of high construction[21]

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Fig. 4. Results of shadow detection in water based on shadow probability. (a) Shadow of water; (b) shadow detection result; (c) morphological threshold result

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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

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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 1. Evaluation results of three detection methods around Tianjin tower
Algorithm F_CER /% F_OER /% OA Kappa
Ref. [4] 21.75 23.33 0.77 0.54
Ref. [6] 19.37 12.98 0.85 0.76
Proposed 4.72 5.46 0.95 0.91

Table 2. Evaluation results of three detection methods in north Changchun
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Table 2. Evaluation results of three detection methods in north Changchun
Algorithm F_CER /% F_OER /% OA Kappa
Ref. [4] 7.23 8.96 0.86 0.88
Ref. [6] 10.68 6.43 0.90 0.86
Proposed 3.94 2.24 0.97 0.93

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Yue Ge, Xing Zhong. Building Shadow Detection of Remote Sensing Images Based on Shadow Probability Constraint[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041006

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