Evaluation of Phase-Diversity Techniques for Solar-Image Restoration

  title={Evaluation of Phase-Diversity Techniques for Solar-Image Restoration},
  author={G H John and H. Seldin}
Phase-diversity techniques provide a novel observational method for overcomming the effects of turbulence and instrument-induced aberrations in ground-based astronomy. Two implementations of phase-diversity techniques that differ with regard to noise model, estimator, optimization algorithm, method of regularization, and treatment of edge effects are described. Reconstructions of solar granulation derived by applying these two implementations to common data sets are shown to yield nearly… CONTINUE READING

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