Table 3 Number and distribution of sensitive bands identified by different sensitive band filtering methods.

From: Retrieval of nicotine content in cigar leaves by remote analysis of aerial hyperspectral combining machine learning methods

Methods

Numbers

Sensitive bands

UVE

17

419 nm, 567 nm, 569 nm, 571 nm, 574 nm, 591 nm, 594 nm, 622 nm, 700 nm,702 nm,

704 nm, 706 nm, 709 nm, 722 nm, 813 nm, 815 nm, 870 nm

SPA

13

722 nm,811 nm,926 nm, 928 nm,935 nm, 939 nm, 946 nm, 948 nm, 955 nm, 959 nm, 961 nm, 964 nm, 985 nm

CARS

25

399 nm, 419 nm, 421 nm, 716 nm, 745 nm, 813 nm, 835 nm, 838 nm, 855 nm, 857 nm,

860 nm, 871 nm, 882 nm, 884 nm, 888 nm, 895 nm, 899 nm, 901 nm, 903 nm, 923 nm,

943 nm, 948 nm, 950 nm, 952 nm, 979 nm

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