Saturation rates of filtered back projection approximations
Sign Up to like & getrecommendations! Published in 2020 at "Calcolo"
DOI: 10.1007/s10092-020-00360-y
Abstract: This paper concerns the approximation of bivariate functions by using the well-known filtered back projection (FBP) formula from computerized tomography. We prove error estimates and convergence rates for the FBP approximation of target functions from… read more here.
Keywords: saturation rates; back projection; filtered back; rates filtered ... See more keywords
Comparison of low-dose coronary artery calcium scoring using low tube current technique and hybrid iterative reconstruction vs. filtered back projection.
Sign Up to like & getrecommendations! Published in 2017 at "Clinical imaging"
DOI: 10.1016/j.clinimag.2017.01.017
Abstract: INTRODUCTION We sought to validate whether low dose CACS CT with hybrid IR (HIR) could replace standard dose filtered back projection (FBP). METHOD We enrolled 100 patients to undergo low dose CACS CT with HIR,… read more here.
Keywords: low dose; calcium scoring; back projection; filtered back ... See more keywords
Strategies for rapid reconstruction in 3D MRI with radial data acquisition: 3D fast Fourier transform vs two-step 2D filtered back-projection
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DOI: 10.1038/s41598-020-70698-4
Abstract: For 3D radial data reconstruction in magnetic resonance imaging (MRI), fast Fourier transform via gridding (gFFT) is widely used for its fast processing and flexibility. In comparison, conventional 3D filtered back projection (cFBP), while more… read more here.
Keywords: reconstruction; radial data; filtered back; back projection ... See more keywords
The ‘ramp filter’ artifact in filtered back projection is due to attenuation not ramp filtering
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DOI: 10.1097/mnm.0000000000001548
Abstract: Background Artifactually decreased counts in regions of the left ventricle adjacent to intense splanchnic activity have been described in single photon emission computed tomography imaging and attributed to the side lobes of ramp filtering, a… read more here.
Keywords: attenuation; ramp; back projection; filtered back ... See more keywords