Color mixing in targets seen through turbulence

Leandro Núñez, Regis Barillé, Darío Pérez

Research output: Contribution to journalArticlepeer-review


We propose a novel imaging technique for assessing turbulence strength based on the color fluctuations of remote targets. Their chromatic changes, due to color mixing produced by the atmospheric optical turbulence, is characterized. We take advantage of a RGB Fourier transform-based color space to analyze the chromatic information on target images; then, through a model of primary color overlays, a chromatic shift measure is defined by the statistical dispersion of pixel colors. It is shown that such color changes can be related to the strength of refractive index fluctuations defined by the structure constant, C n 2 .

Original languageEnglish
Article number024002
JournalJournal of Optics (United Kingdom)
Issue number2
StatePublished - Feb 2023


  • color spaces
  • optical turbulence
  • remote sensing


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