This paper discusses the question of reconstructing wave-front topography from an interferogram, using the method of digital holography. An implementation of the method that makes it possible to process interferograms in the automatic regime is discussed.
M. A. Gan, Ya. M. Gan, and A. S. Chertkov, "Reconstructing wave-front topography from an interferogram by means of digital holography," J. Opt. Technol. 73, 471-474 (2006)