Endmembers, PPI, Image Cube, MNF Transform, Hughes effect, Dimension Curse, AVIRS, Hyperion, Planet labs, HALE, Global Hawk, Collinearity equation in rigorous orthorectification, Pix4D, Photoscan software, Image objects, geo objects, Drone2Map, Onebutton, FLAASH, ATCOR, Affine Transformation, Image to image co-registration, GCPs and Tie points, Nearest neighbor and Bilinear resampling, CubeSat constellation, side lap and end lap of drone images, Quickbird and IKONOS, Spatial, Spectral, Radiometric, and Temporal Resolution, Atmospheric blinds and windows, Atmospheric hazes, Cosine radiometric correction, n-line stripping correction, Digital Number, Absolute radiance and reflectance, Majority operator analysis..