Fast implementations of 3D PET reconstruction using vector and parallel programming techniques

Computationally intensive techniques that offer potential clinical use have arisen in nuclear medicine, e.g., 3-D positron emission tomography data acquisition and reconstruction. Methods to reduce the computation time for 3-D PET reconstruction through the use of fast computer hardware, vector and...

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Veröffentlicht in:	IEEE transactions on nuclear science 1993-08, Vol.40 (4), p.1082-1086
Hauptverfasser:	Guerrero, T.M., Cherry, S.R., Dahlbom, M., Ricci, A.R., Hoffman, E.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	550601 - Medicine- Unsealed Radionuclides in Diagnostics ACCURACY ALGORITHMS Biological and medical sciences Biomedical imaging COMPUTER CALCULATIONS Computer interfaces COMPUTERIZED TOMOGRAPHY DATA ACQUISITION DESIGN DIAGNOSTIC TECHNIQUES EMISSION COMPUTED TOMOGRAPHY Hardware Image reconstruction IMAGE SCANNERS Investigative techniques, diagnostic techniques (general aspects) Libraries MATHEMATICAL LOGIC Medical sciences Miscellaneous. Technology Nuclear medicine OPTIMIZATION Parallel programming POSITRON COMPUTED TOMOGRAPHY Positron emission tomography RADIOLOGY AND NUCLEAR MEDICINE Radionuclide investigations Sun TOMOGRAPHY
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Zusammenfassung:	Computationally intensive techniques that offer potential clinical use have arisen in nuclear medicine, e.g., 3-D positron emission tomography data acquisition and reconstruction. Methods to reduce the computation time for 3-D PET reconstruction through the use of fast computer hardware, vector and parallel programming techniques, and algorithm optimization are reported. The strengths and weaknesses of i860 microprocessor-based workstation accelerator boards are investigated in implementations of 3-D PET reconstruction.< >
ISSN:	0018-9499 1558-1578
DOI:	10.1109/23.256716