Improved iterative image reconstruction using variable projection binning and abbreviated convolution

Abstract

Noise propagation in iterative reconstruction can be reduced by exact data projection. This can be done by area-weighted projection using the convolution method. Large arrays have to be convolved in order to achieve satisfactory image quality. Two procedures are described which improve the convolution method used so far. Variable binning helps to reduce the… (More)
DOI: 10.1007/BF00238116

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