GAEEII Comparison of Endmember Extractors for Real Hyperspectral Images: SAMSON JASPER URBAN CUPRITE LEGENDRE WITHOUT NOISE LEGENDRE SNR 20 dB LEGENDRE SNR 40 dB LEGENDRE SNR 60 dB LEGENDRE SNR 80 dB GAEE's Variations and Conversions: SAMSON JASPER URBAN CUPRITE LEGENDRE WITHOUT NOISE LEGENDRE SNR 20 dB LEGENDRE SNR 40 dB LEGENDRE SNR 60 dB LEGENDRE SNR 80 dB