基于高分可见光遥感指数的城市阴影高效提取研究

唐晔,刘小燕,崔耀平,史志方,邓亮,陈准

Research on Efficient Extraction of Urban Shadow based on High-resolution Visible Light Remote Sensing Index

Ye TANG,Yaoping CUI,Xiaoyan LIU,Zhifang SHI,Zhun CHEN,Liang DENG

表1 各精度分析区在NSVDI、USI、深度学习和OUSI的精度评价

Table 1 Shadow detection accuracy evaluation of the NSVDI index， USI index， deep learning， and OUSI index in the six accuracy analysis areas

方法/研究区	生产者精度		用户精度		总体精度
	阴影	非阴影	阴影	非阴影	总体精度
	$η_{s}$ /%	$η_{s}$ /%	$ρ_{s}$ /%	$ρ_{s}$ /%	$τ$ /%
NSVDI	89.65	50.00	63.40	83.33	69.49
	92.50	47.50	63.79	86.36	70.00
	66.67	50.00	57.10	60.00	58.30
	83.33	76.66	78.12	82.14	80.00
	63.33	73.33	70.37	66.66	68.30
	90.00	80.00	81.81	88.88	85.00
USI	86.20	93.33	92.59	87.50	89.83
	80.00	97.50	96.96	82.97	88.75
	63.33	86.66	82.61	70.27	75.00
	86.66	96.66	96.29	87.87	91.66
	66.66	96.66	95.23	74.35	81.66
	76.66	100.00	100.00	81.08	88.33
深度学习	82.75	90.00	88.88	84.37	86.40
	72.50	87.87	90.00	76.59	81.25
	46.66	96.66	93.33	64.44	71.66
	83.33	93.33	92.59	84.84	88.33
	70.00	96.66	95.45	76.31	83.33
	66.66	90.00	86.95	72.97	78.33
OUSI	89.65	93.33	92.85	90.32	91.52
	82.50	100.00	100.00	85.00	91.25
	73.33	96.66	95.65	78.37	85.00
	96.66	96.66	96.66	96.66	96.66
	76.66	96.66	95.83	80.55	86.66
	83.33	100.00	100.00	85.71	91.66