FFT-based approach to longitudinal interpolation in single- and multi-slice helical CT

Presents an approach to single- and multi-slice helical computed tomography (CT) image reconstruction that exploits the fast Fourier transform (FFT) and the Fourier shift theorem to generate from the helical projection data a set of fan-beam sinograms corresponding to equispaced transverse slices. S...

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Vydané v:	1999 IEEE Nuclear Science Symposium. Conference Record. 1999 Nuclear Science Symposium and Medical Imaging Conference (Cat. No.99CH37019) Ročník 3; s. 1588 - 1592 vol.3
Hlavní autori:	Xiaochuan Pan, La Riviere, P.J.
Médium:	Konferenčný príspevok..
Jazyk:	English
Vydavateľské údaje:	IEEE 1999
Predmet:	Computed tomography Detectors Fast Fourier transforms Geometry Image reconstruction Image resolution Image sampling Interpolation Radiology Sampling methods
ISBN:	9780780356962, 0780356969
ISSN:	1082-3654
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