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Table 3 Spectral angle values (in degrees) between the target pixels extracted by the OSP-GS algorithm and the reference USGS mineral signatures for the AVIRIS Cuprite scene

From: Performance versus energy consumption of hyperspectral unmixing algorithms on multi-core platforms

Algorithm

Alunite (°)

Buddingtonite (°)

Calcite (°)

Kaolinite (°)

Muscovite (°)

Average (°)

OSP-GS

5.48

4.08

5.87

11.14

5.68

6.45

N-FINDR

4.81

4.29

7.60

9.92

5.05

6.33