Babion, J., H. Böhnhardt, F. Murtagh, J.L Starck, U. Thiele,
K. Birkle, T.M. Herbst, D.P. Hamilton and J.L. Ortiz 1995.
Comparison of two deconvolution methods for the structure analysis of
the impact areas on Jupiter. In Proceedings of the
European SL-9 Workshop, R. West and H. Böhnhardt, Eds.,
357-362.
Different deconvolution methods, the van Cittert method, the Lucy
algorithm and a wavelet transform technique, are applied to visual and
IR images of the SL9 impact areas on Jupiter.
The visual CCD
images were obtained at the 1.2m telescope and the IR frames at the
3.5m telescope of the Calar Alto Observatory in Spain from 16-22 July
1994.
Because of short image exposure times, stars inside the
frames are usually not available for the construction of a suitable
point spread function (PSF). We examine the possibility of modelling a
PSF based upon the essentially non-stellar images of Galilean
satellites present in the frames and determine the influence of these
artificial PSFs on the deconvolution results. We also vary different
parameters of the algorithms to investigate their effects on the
sharpening of the surface structures on Jupiter.
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