Table 4.

Different red edge feature classification schemes.

Classification Schemes Classification Features		Scheme A-1	Scheme A-2	Scheme A-3	Scheme A-4	Scheme B-1	Scheme B-2	Scheme B-3	Scheme B-4	Scheme C-1	Scheme C-2	Scheme C-3	Scheme C-4
Traditional four bands (R,G,B,NIR)		✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
Red edge spectral features	Red edge 710		✓		✓
	Red edge 750			✓	✓
Red edge texture features	Red edge texture 710					✓		✓
	Red edge texture 750						✓	✓
	Near-infrared texture								✓
Red edge index features	Optimal red edge index 1									✓
	Optimal red edge index 2										✓
	Optimal red edge index 3											✓
	Optimal red edge index 4												✓