Iterative correction procedure for images degraded by turbulence

C. Scheifling; G. Marchi

doi:10.1117/12.864544

11 October 2010 Iterative correction procedure for images degraded by turbulence

C. Scheifling, G. Marchi

Proceedings Volume 7828, Optics in Atmospheric Propagation and Adaptive Systems XIII; 78280O (2010) https://doi.org/10.1117/12.864544
Event: SPIE Remote Sensing, 2010, Toulouse, France

Abstract

A recently introduced approach to restore images distorted by atmospheric turbulence without a direct knowledge about the wavefront is being discussed in this paper. This technique is based on the use of a deformable mirror controlled by a Stochastic Parallel Gradient Descent (SPGD) algorithm applied to an image quality measurement. This procedure is now being tested for the correction of extended sources as well as laser beams. Because the technique does not rely on wavefront sensors, the problems related to scintillations are noticeably reduced. Preliminary results are presented.

Citation Download Citation

C. Scheifling and G. Marchi "Iterative correction procedure for images degraded by turbulence", Proc. SPIE 7828, Optics in Atmospheric Propagation and Adaptive Systems XIII, 78280O (11 October 2010); https://doi.org/10.1117/12.864544

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