ENVI Spectral Hourglass Wizard #envi #gis #isro #cutm #youtubeshort #youtubereels#flaash#geospetial

1. Input/output File Selection (input data are usually in reflectance 2. MNF Transformation to reduce spectral dimensions 3. Review of MNF Results 4. Data Dimensionality determination using Spatial Coherence measures 5. Pixel Purity Index PPi to reduce spatial dimensions 6. Review of PPI Results 7. n-Dimensional Visualization, including auto-clustering, to select and retrieve individual endmembers 8. The option to manually add User Supplied Endmembers 9. Spectral mapping using Spectral Angle Mapper SAM and/or Mixture-Tuned Matched Filtering MTMF 10. Investigation of Mapping Results #envi#gis #youtubeshort #cutm#learn #map #imageprocessing #hyperspectral #correction #youtubereels