Discrimination of Fresh Tobacco Leaves with Different Maturity Levels by Near-Infrared (NIR) Spectroscopy and Deep Learning

Table 2

The detail of tobacco leaves data sets.

Data sets	Total samples	Training set	Testing set	Unripe	Mature	Ripe	Mellow	Overmature
Upper leaves	1128	790	338	219	225	226	229	229
Middle leaves	1085	760	325	216	222	218	219	210
Lower leaves	1141	799	342	232	227	235	228	219