GEOGRAPHICAL SCIENCE

Extraction of spring farmland plastic mulching in Qianguo County based on Google Earth Engine

Deng Yunyao, Li Xiaojie, Ren Jianhua

SCIENTIA GEOGRAPHICA SINICA, 2024, 44(8): 1417-1425. DOI: 10.13249/j.cnki.sgs.20230651

光学特征	变量	雷达特征	变量
反射率特征	B1，B2，B3，B4，B5，B6，B7，B8，B8A，B9，B11，B12	纹理特征	Contrast，ASM，Correlation，Variance，Entropy，IDM
光谱指数特征	NDVI、EVI、SAVI、RRI、NDWI	极化特征	VV，VH

Table 1 Feature sets of optical and radar images in the farmland plastic mulching extraction model

Other figure/table from this article

Fig. 1 Location and remote sensing images of study area
Fig. 2 Sample points in study area
Fig. 3 Technique flow chart of farmland plastic muching extraction
Table 2 Classification accuracy of different input features and machine learning methods
Fig. 4 Comparison between extraction results and remote sensing images in study area II
Appendix Table 1 The classification results of different schemes are compared with Sentinel-2 true color synthetic images