Geodesic
Double-filtration algorithm for two-dimensional tomography
Matematičeskoe modelirovanie, Tome 21 (2009) no. 8, pp. 21-29.

Voir la notice de l'article provenant de la source Math-Net.Ru

New algorithm of two-dimensional tomography is suggested and investigated. In contrast to the other algorithms it filters both the projections and the two-dimensional image. The double-filtration algorithm is shown in the numerical simulations to provide for few projections higher reconstruction quality then filtered backprojection method, in particular, Shepp–Logan algorithm. 
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A. V. Likhachov. Double-filtration algorithm for two-dimensional tomography. Matematičeskoe modelirovanie, Tome 21 (2009) no. 8, pp. 21-29. http://geodesic.mathdoc.fr/item/MM_2009_21_8_a1/

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