Decorrelation Stretch
A remote-sensing enhancement popularized in the 1980s, including work by Alan Gillespie and colleagues in 1986. It exaggerates subtle color differences by removing correlation between channels, producing vivid pastel and psychedelic hues.
Spot it
- 01Exaggerated vivid pastels
- 02Psychedelic hue separation
- 03Flat brightness, rich color
Why it happens
Rotates the color data onto its principal components, stretches each component to equal variance, and rotates back, so small color differences become large.
Recreate it in Pixio
Image edit prompt“Apply a decorrelation stretch to this image: dramatically exaggerate subtle color differences so that similar tones separate into vivid pastel and psychedelic hues, like a false-color satellite image, with rich saturated variations in surfaces that were originally dull. Keep the original subject and composition recognizable.”
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