Inverse diffraction for the Atmospheric Imaging Assembly in the Solar Dynamics Observatory
Abstract
The Atmospheric Imaging Assembly in the Solar Dynamics Observatory provides full Sun images every 12 s in each of 7 extreme ultraviolet passbands. However, for a significant amount of these images, saturation affects their most intense core, preventing scientists from a full exploitation of their physical meaning. In this paper we describe a mathematical and automatic procedure for the recovery of information in the primary saturation region based on a correlation/inversion analysis of the diffraction pattern associated to the telescope observations. Further, we suggest an interpolation-based method for determining the image background that allows the recovery of information also in the region of secondary saturation (blooming).
- Publication:
-
Inverse Problems
- Pub Date:
- September 2015
- DOI:
- 10.1088/0266-5611/31/9/095006
- arXiv:
- arXiv:1501.07805
- Bibcode:
- 2015InvPr..31i5006T
- Keywords:
-
- Astrophysics - Instrumentation and Methods for Astrophysics;
- Mathematics - Numerical Analysis;
- 65R32;
- 8508
- E-Print:
- doi:10.1088/0266-5611/31/9/095006