SEVI指数消除4种十米级空间分辨率卫星影像地形阴影影响的效果评价

马锦典,江洪

Performance Evaluation of Topographic Correction for Four Spatial Resolution Images by the Shadow-Eliminated Vegetation Index (SEVI)

Jindian Ma,Hong Jiang

表4 本影落影区域植被指数相对误差绝对值

Table 4 Absolute relative error of vegetation indices between the shadows and sunlit areas

VI	数据类型	传感器	分辨率	$???? V I_{s e l f}$	$V I_{c a s t}$	$V I_{s u n l i t}$	$E_{s e l f}$ (%)	$E_{c a s t}$ (%)
NDVI	Surface Reflectance	Sentinel S2B MSI	10 m	0.647	0.659	0.788	17.907	16.325
NDVI	SCS+C	Sentinel S2B MSI	10 m	0.749	0.670	0.775	3.362	13.548
SEVI	Surface Reflectance	Sentinel S2B MSI	10 m	10.184	9.708	9.967	2.172	2.598
NDVI	Surface Reflectance	GF-1 WFV2	16 m	0.570	0.563	0.719	20.622	21.584
NDVI	SCS+C	GF-1 WFV2	16 m	0.719	0.577	0.693	3.817	16.753
SEVI	Surface Reflectance	GF-1 WFV2	16 m	7.895	8.002	7.784	1.422	2.801
NDVI	Surface Reflectance	Landsat8 OLI	30 m	0.611	0.646	0.819	25.438	21.162
NDVI	SCS+C	Landsat8 OLI	30 m	0.786	0.656	0.802	1.987	18.184
SEVI	Surface Reflectance	Landsat8 OLI	30 m	13.521	13.186	13.706	1.351	3.795
NDVI	Surface Reflectance	GF-4 PMI	50 m	0.463	0.443	0.513	9.797	13.753
NDVI	SCS+C	GF-4 PMI	50 m	0.480	0.457	0.511	6.184	10.664
SEVI	Surface Reflectance	GF-4 PMI	50 m	6.997	6.880	7.072	1.060	2.711