TABLE 4.

Resistant weed classification performance summary.

Species	Feature type	Metrics	2DAA	4DAA	6DAA	8DAA
Barnyardgrass	RGB	Accuracy	0.554	0.609	0.692	0.772
	WSRI		0.571	0.634	0.724	0.796
	DVI		0.533	0.583	0.641	0.717
	MCTI		0.526	0.559	0.619	0.693
	NDVI		0.556	0.591	0.654	0.746
	GNDVI		0.548	0.570	0.635	0.712
	NDRE		0.551	0.587	0.655	0.737
	NDVI-RE		0.564	0.597	0.657	0.759
	RVI		0.559	0.584	0.681	0.755
	RVI-RE		0.543	0.576	0.646	0.722
	PSRI		0.527	0.566	0.624	0.709
	5 BANDS		0.551	0.582	0.652	0.776
	WSRI + RGB		0.602	0.665	0.761	0.811
Velvetleaf	RGB	Accuracy	0.529	0.596	0.753	0.905
	WSRI		0.541	0.604	0.767	0.914
	DVI		0.532	0.573	0.691	0.867
	MCTI		0.526	0.562	0.677	0.822
	NDVI		0.547	0.578	0.705	0.894
	GNDVI		0.539	0.567	0.686	0.875
	NDRE		0.545	0.562	0.679	0.871
	NDVI-RE		0.528	0.583	0.711	0.907
	RVI		0.539	0.571	0.700	0.891
	RVI-RE		0.537	0.576	0.694	0.898
	PSRI		0.525	0.559	0.652	0.834
	5 BANDS		0.558	0.598	0.702	0.902
	WSRI + RGB		0.551	0.634	0.798	0.924

DAA, days after application; WSRI, weed spectral resistance index.