Boundary conditions and multiple-image re-blurring

Details Boundary conditions and multiple-image re-blurring Boundary conditions and multiple-image re-blurring

Jan 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jcoam.198..426d&link_type=abstract

Journal of Computational and Applied Mathematics, vol. 198, no. 2, pp. 426-442

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Boundary Conditions, Multiple-Images Deconvolution, Regularizing Iterative Methods, Matrix Algebras And Toeplitz Matrices

Scientific paper

In this paper we are concerned with deblurring problems in the case of multiple images coming from the Large Binocular Telescope (an important example of telescope of interferometric type). For this problem, we are interested in checking the role of the boundary conditions in the quality of the reconstructed image. In particular, we will consider reflective and anti-reflective boundary conditions and the re-blurring idea. The results of the proposed combinations are quite satisfactory when compared with classical Dirichlet or periodic boundary conditions, especially when increasing the number of images acquired by the LBT. This behavior is confirmed by a wide numerical experimentation.

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