Turbulence compensation: an overview

AWM van Eekeren, K Schutte, J Dijk… - … , and Testing XXIII, 2012 - spiedigitallibrary.org
In general, long range visual detection, recognition and identification are hampered by
turbulence caused by atmospheric conditions. Much research has been devoted to the field …

Experimental validation of optimization concepts for focal-plane image processing with adaptive optics

V Korkiakoski, CU Keller, N Doelman… - … Optics Systems III, 2012 - spiedigitallibrary.org
We show experimental results demonstrating the feasibility of an extremely fast sequential
phase-diversity (SPD) algorithm for point sources. The algorithm can be implemented on a …

Image enhancement technology research for army applications

PBW Schwering, RAW Kemp… - … Analysis, Modeling, and …, 2013 - spiedigitallibrary.org
Recognition and identification ranges are limited to the quality of the images. Both the
received contrast and the spatial resolution determine if objects are recognizable. Several …

An overview of turbulence compensation

K Schutte, AWM van Eekeren, J Dijk… - … and Applications VI, 2012 - spiedigitallibrary.org
In general, long range visual detection, recognition and identification are hampered by
turbulence caused by atmospheric conditions. Much research has been devoted to the field …

Joint optimization of phase diversity and adaptive optics: demonstration of potential

V Korkiakoski, CU Keller, N Doelman, ABR Fraanje… - Applied Optics, 2011 - opg.optica.org
We study different possibilities to use adaptive optics (AO) and phase diversity (PD) together
in a jointly optimized system. The potential of the joint system is demonstrated through …

Joint-optimization of phase-diversity and adaptive optics

V Korkiakoski, C Keller, N Doelman… - Signal Recovery and …, 2011 - opg.optica.org
Joint-optimization of phase-diversity and adaptive optics Page 1 Joint-optimization of phase-diversity
and adaptive optics Visa Korkiakoski and Christoph Keller Utrecht University, Princetonplein …

Evaluation of turbulence mitigation methods

AWM van Eekeren, CS Huebner, J Dijk… - … , and Testing XXV, 2014 - spiedigitallibrary.org
Atmospheric turbulence is a well-known phenomenon that diminishes the recognition range
in visual and infrared image sequences. There exist many different methods to compensate …

Performance of phase diversity phase retrieval for horizontal path long-range imaging

N Boehrer, RPJ Nieuwenhuizen… - Environmental Effects on …, 2023 - spiedigitallibrary.org
Long range imaging is limited by the optical aberrations produced by the light propagation
through the atmosphere. These aberrations will very often limit the angular resolution of the …

Design of an imaging system for turbulence mitigation using phase diversity

N Boehrer, RPJ Nieuwenhuizen, J Dijk… - Electro-Optical and …, 2023 - spiedigitallibrary.org
Long range observation through atmospheric turbulence is hampered by spatiotemporally
randomly varying shifting and blurring of scene points in recorded imagery. The image …

[PDF][PDF] Turbulence compensation using timevarying phase diversity

AWM van Eekeren, K Schutte, J Dijk… - OPTRO 2012-5th …, 2012 - publications.tno.nl
To compensate for visual artifacts due to atmospheric turbulence is of key importance for the
task of visual identification over long distances. In this paper we propose a new method to …