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An Improved Interpolation Technique in Direct Two-Dimensional Fourier Transform Method for X-Ray CT
Noboru NIKI Masaru YOSHIDA Yoshizo TAKAHASHI
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/01/25
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Medical Electronics and Bioengineering
Full Text: PDF>>
The direct two-dimensional Fourier transform method enables a fast image reconstruction. The key problem of this method is in the interpolation from polar to Cartesian samples. In this paper we present a more efficient interpolation method than the previous one without decreasing the accuracy of the reconstructed image.