A New Non-Fourier Tomographic Filter for Image Reconstruction

R. K. S. Rathore; P. Munshi; P. Arora; S. D. Malik; A. K. Vaish; K. S. Singh; U. Singh

doi:dx.doi.org/10.13182/NT89-A34256

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Home / Publications / Journals / Nuclear Technology / Volume 85 / Number 3

A New Non-Fourier Tomographic Filter for Image Reconstruction

R. K. S. Rathore, P. Munshi, P. Arora, S. D. Malik, A. K. Vaish, K. S. Singh, U. Singh

Nuclear Technology / Volume 85 / Number 3 / June 1989 / Pages 346-349

Technical Paper / Technique / dx.doi.org/10.13182/NT89-A34256

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A new class of non-Fourier filter/convolving functions has been proposed for the popular convolution back projection algorithm in computerized tomography. The convolver coefficients are evaluated directly by geometric considerations involved in the chordsegment inversion (CSI) algorithm. This CSI filter/convolving function is tested on simulated images representing density ranges encountered in damaged nuclear fuel bundles and two-phase steam-water flows.