Image recovery from irregularly located spectral samples (2001)
AuthorsBones, P.J., Blakeley, N.D., Millane, R.P.show all
Recovery of magnetic resonance images from irregular sampling sets is investigated from the point of view of moment discretization of the Fredholm equation of the first kind. The limited spatial extent of the object is known a priori and the sampling schemes considered each have mean density lower than that imposed by the Nyquist limit. The recovery formula obtained has the same form as a standard irregular sampling technique. A practical means of performing the recovery for very large data sets by utilising the block Toeplitz structure of the matrix involved is presented.
CitationBones, P.J., Blakeley, N.D., Millane, R.P. (2001) Image recovery from irregularly located spectral samples. Thessaloniki, Greece: International Conference on Image Processing (ICIP), 7-10 Oct 2001. Proceedings of the 2001 International Conference on Image Processing (ICIP 2001), 1, 217-220.
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