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Model Updating in the MEM Algorithm

Nailong Wu

Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218

[1]Also with Beijing Astronomical Observatory, CAS, Beijing 100080, China.


The model updating technique used in the Maximum Entropy Method (MEM) task for image restoration in IRAF/STSDAS is described in detail. The properties of the method, including faster convergence in iteration and reduced nonlinearity of the solution in photometry, are discussed and shown by statistics and illustrations.

Keywords: entropy, Maximum Entropy Method, image restoration, IRAF, photometry
Mon Apr 18 10:53:51 EDT 1994