Table 3 Wavelength regions ranked by wavelength selection methods.

From: Optimizing multi-spectral ore sorting incorporating wavelength selection utilizing neighborhood component analysis for effective arsenic mineral detection

Ranking

NCA [nm]

MRMR [nm]

Chi2 [nm]

ReliefF [nm]

ANOVA [nm]

KW [nm]

1

400

403

400

400

997

400

2

994

802

403

994

994

403

3

822

994

406

997

406

406

4

459

400

409

406

403

994

5

828

633

994

403

400

997

6

846

962

997

409

409

409

7

657

415

991

991

991

412

8

580

406

979

985

985

985

9

660

941

985

979

412

979

10

704

459

988

412

979

991

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