Arid
DOI10.3390/s22186844
Self-Trained Deep Forest with Limited Samples for Urban Impervious Surface Area Extraction in Arid Area Using Multispectral and PolSAR Imageries
Liu, Ximing; Samat, Alim; Li, Erzhu; Wang, Wei; Abuduwaili, Jilili
通讯作者Samat, A
来源期刊SENSORS
EISSN1424-8220
出版年2022
卷号22期号:18
英文摘要Impervious surface area (ISA) has been recognized as a significant indicator for evaluating levels of urbanization and the quality of urban ecological environments. ISA extraction methods based on supervised classification usually rely on a large number of manually labeled samples, the production of which is a time-consuming and labor-intensive task. Furthermore, in arid areas, man-made objects are easily confused with bare land due to similar spectral responses. To tackle these issues, a self-trained deep-forest (STDF)-based ISA extraction method is proposed which exploits the complementary information contained in multispectral and polarimetric synthetic aperture radar (PolSAR) images using limited numbers of samples. In detail, this method consists of three major steps. First, multi-features, including spectral, spatial and polarimetric features, are extracted from Sentinel-2 multispectral and Chinese GaoFen-3 (GF-3) PolSAR images; secondly, a deep forest (DF) model is trained in a self-training manner using a limited number of samples for ISA extraction; finally, ISAs (in this case, in three major cities located in Central Asia) are extracted and comparatively evaluated. The experimental results from the study areas of Bishkek, Tashkent and Nursultan demonstrate the effectiveness of the proposed method, with an overall accuracy (OA) above 95% and a Kappa coefficient above 0.90.
英文关键词impervious surface area self-training deep forest Sentinel-2 GaoFen-3 PolSAR
类型Article
语种英语
开放获取类型Green Published, gold
收录类别SCI-E
WOS记录号WOS:000857093700001
WOS关键词SPECTRAL MIXTURE ANALYSIS ; COMPOSITION INDEX ; NIGHTTIME LIGHT ; SYNERGISTIC USE ; SAR ; CLASSIFICATION ; DYNAMICS ; INTEGRATION ; CHINA ; MODEL
WOS类目Chemistry, Analytical ; Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS研究方向Chemistry ; Engineering ; Instruments & Instrumentation
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/394484
推荐引用方式
GB/T 7714
Liu, Ximing,Samat, Alim,Li, Erzhu,et al. Self-Trained Deep Forest with Limited Samples for Urban Impervious Surface Area Extraction in Arid Area Using Multispectral and PolSAR Imageries[J],2022,22(18).
APA Liu, Ximing,Samat, Alim,Li, Erzhu,Wang, Wei,&Abuduwaili, Jilili.(2022).Self-Trained Deep Forest with Limited Samples for Urban Impervious Surface Area Extraction in Arid Area Using Multispectral and PolSAR Imageries.SENSORS,22(18).
MLA Liu, Ximing,et al."Self-Trained Deep Forest with Limited Samples for Urban Impervious Surface Area Extraction in Arid Area Using Multispectral and PolSAR Imageries".SENSORS 22.18(2022).
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