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Normalized intrinsic dimensionality (ID) decreases with coarser spectral resolution. The thick blue line shows the median ID across all scenes, and the shaded area encompasses the 25th–75th percentile of scaled ID across all scenes. The red curve (the average from the Nevada and India scenes) shows that coarser spectral resolution negatively impacts ID when considering atmospheric correction, but this effect is negligible (generally <10% of the maximum ID).
