Application of Object-Oriented Median Absolute Deviation Method to Building Extraction

Xunqiang Gong; Xinglei Liu; Tieding Lu; Zhigao Chen

doi:10.3788/LOP202158.1212005

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 12 >Page 1212005 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 12, 1212005 (2021)

Application of Object-Oriented Median Absolute Deviation Method to Building Extraction

Xunqiang Gong^1、2、*, Xinglei Liu^1、3, Tieding Lu¹, and Zhigao Chen¹

Author Affiliations

¹Faculty of Geomatics, East China University of Technology, Nanchang, Jiangxi 330013, China

²Research Center for Ecological Civilization Construction System of Jiangxi Province, East China University of Technology, Nanchang, Jiangxi 330013, China

³Xi'an Institute of Geotechnical Investigation and Surveying Mapping, Xi'an, Shaanxi 710054, China

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DOI: 10.3788/LOP202158.1212005 Cite this Article Set citation alerts

Xunqiang Gong, Xinglei Liu, Tieding Lu, Zhigao Chen. Application of Object-Oriented Median Absolute Deviation Method to Building Extraction[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1212005 Copy Citation Text

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Fig. 1. GF-2 remote sensing images of different experimental areas. (a) Dense buildings; (b) sparse buildings

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Extraction effects of dense buildings under different methods. (a) Object-oriented classification method; (b) object-oriented MBI method; (c) object-oriented MAD method

Fig. 2. Extraction effects of dense buildings under different methods. (a) Object-oriented classification method; (b) object-oriented MBI method; (c) object-oriented MAD method

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Fig. 3. Extraction effects of sparse buildings under different methods. (a) Object-oriented classification method; (b) object-oriented MBI method; (c) object-oriented MAD method

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Method	Building	Non-building	Misclassification	Total
Object-oriented classification	135	123	42	300
Object-oriented MBI	173	111	16	300
Object-oriented MAD	141	131	28	300

Table 1. Extraction results of dense buildings under different methods

Method	Building	Non-building	Misclassification	Total
Object-oriented classification	79	185	36	300
Object-oriented MBI	126	148	26	300
Object-oriented MAD	64	226	10	300

Table 2. Extraction results of sparse buildings under different methods

Method	P /%	R /%	F₁
Object-oriented classification	90.34	89.12	89.73
Object-oriented MBI	95.63	92.04	93.80
Object-oriented MAD	91.93	90.51	91.21

Table 3. Extraction accuracy of dense buildings under different methods

Method	P /%	R /%	F₁
Object-oriented classification	88.51	80.83	84.50
Object-oriented MBI	90.54	83.42	86.83
Object-oriented MAD	96.73	92.85	94.75

Table 4. Extraction accuracy of sparse buildings under different methods

Xunqiang Gong, Xinglei Liu, Tieding Lu, Zhigao Chen. Application of Object-Oriented Median Absolute Deviation Method to Building Extraction[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1212005

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