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Noise Limitations in X-Ray Computed Tomography
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1978
Year
Computed TomographyImage ReconstructionEngineeringX-ray ImagingImage AnalysisCt ScanStatistical AccuracyPhoton-counting Computed TomographyRadiologyHealth SciencesReconstruction TechniqueMedical ImagingLower BoundInverse ProblemsUltrasoundRadiographic ImagingNoise LimitationsConvolutional AlgorithmBiomedical ImagingTomography
A lower bound for the statistical accuracy in X-ray computed tomography, which, under certain conditions, is independent of the reconstruction algorithm, is derived. An evaluation of this bound indicates that little improvement is possible over the performance of the convolutional algorithm.