Preliminary Evaluation of Gaofen-3 Quad-Polarized SAR Imagery for Longbao Protected Plateau Wetland Reserve

Table 4

Classification performance of Longbao protected plateau wetland in 2018-07-05.

Ground Truth (%)
Class	Lake	Swamp meadow	Alpine meadow	Alpine tundra	Total
Lake	97.50	0.00	0.00	0.03	38.93
Swamp meadow	0.00	53.50	3.06	0.28	10.75
Alpine meadow	0.00	23.74	67.24	8.03	19.00
Alpine tundra	2.50	22.76	29.70	91.66	31.32
Total	100.00	100.00	100.00	100.00	100.00
Overall Accuracy = 82.1592%
Kappa Coefficient = 0.7517