A Comparison of the MEM and Pixon Algorithms for HXT Image Reconstruction

Details A Comparison of the MEM and Pixon Algorithms for HXT Image Reconstruction A Comparison of the MEM and Pixon Algorithms for HXT Image Reconstruction

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spd....28.0217m&link_type=abstract

American Astronomical Society, SPD meeting #28, #02.17; Bulletin of the American Astronomical Society, Vol. 29, p.896

Astronomy and Astrophysics

Astronomy

Scientific paper

Recently a workshop was held in Palo Alto, CA to discuss image reconstruction for the Hard X-ray Telescope (HXT) on the Yohkoh satellite. At the workshop, the participants concluded that a detailed comparison of the primary reconstruction algorithms should be undertaken. We will report on the results of a comparison of the Maximum Entropy and Pixon algorithms using pseudo data. The comparison will check photometric accuracy, speed, and image quality using a number of test images. The test images utilized in the comparison will examine a broad range of reconstruction problems, including the ability of the algorithms to accurately reconstruct single sources, multiple sources and loop-like features, as well as the ability to reconstruct weak sources in the presence of spatially distinct bright sources.

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