Image processing of coronal pictures.
Abstract
The authors present the results obtained with a new simple image processing algorithm applied to several typical eclipse and coronographic pictures. This 2D filter (second order difference operator in k-direction) shows superior quality by improving the signal/noise ratio, reducing the dynamic range and enhancing faint coronal structures. A comparison with results obtained with more commonly used 2D filters is also presented. The authors describe briefly the algorithm used, together with discussions of enhanced coronal images of coronal physics interest.
- Publication:
-
Solar and Stellar Coronal Structure and Dynamics
- Pub Date:
- 1988
- Bibcode:
- 1988sscd.conf..256K
- Keywords:
-
- Image Processing;
- Quantum Efficiency;
- Signal To Noise Ratios;
- Solar Corona;
- Emission Spectra;
- Line Spectra;
- Solar Physics;
- Spatial Resolution;
- Solar Physics;
- Image Processing: Solar Corona