A Self-Adaptive Wildfire Detection Algorithm with Two-Dimensional Otsu Optimization

Table 1

FY-3C VIRR spectral features.

Channel no.	Band range (μm)	Dynamic range or K	Observation object
1	0.58–0.68	0–100%	Vegetation, ice, and snow
2	0.84–0.89	0–100%	Vegetation and atmospheric correction
3	3.55–3.93	180–350 K	Surface temperature and wildfires
4	10.3–11.3	180–330 K	Ocean surface and surface temperature
5	11.5–12.5	180–330 K	Ocean surface and surface temperature
6	1.55–1.64	0–90%	Snow identification and drought detection
7	0.43–0.48	0–50%	Seawater and aerosol
8	0.48–0.53	0–50%	Seawater and aerosol
9	0.53–0.58	0–50%	Seawater and aerosol
10	1.325–1.395	0–90%	Water vapor