Matches in SemOpenAlex for { <https://semopenalex.org/work/W2555001898> ?p ?o ?g. }
Showing items 1 to 67 of
67
with 100 items per page.
- W2555001898 abstract "We present a new theoretical model and reconstruction results for a new class of fastx-ray CT machine, the Real Time Tomography (RTT) system, which uses switchedsources and an offset detector array. We begin by reviewing elementary propertiesof the Radon and x-ray transforms, and limited angle tomography. Through theintroduction of a new continuum model, that of sources covering the surface of acylinder in R 3 , we show that the problem of three-dimensional reconstruction fromRTT data reduces to inversion of the three-dimensional Radon transform with limitedangle data. Using the Paley-Wiener theorem, we then prove the existence of a uniquesolution and give comments on stability and singularity detection.We show, first in the two-dimensional case, that the conjugate gradient leastsquares algorithm is suitable for CT reconstruction. By exploiting symmetries inthe system, we then derive a method of applying CGLS to the three-dimensionalinversion problem using stored matrix coefficients.The new concept of source firing order is introduced and formalised, and somenovel visualisations are used to show how this affects aspects of the geometry of thesystem. We then perform a detailed numerical analysis using the condition numberand SVD of the reconstruction matrix A, to show that the choice of firing orderaffects the conditioning of the problem. Finally, we give reconstruction results usingphantom data that support the numerical analysis." @default.
- W2555001898 created "2016-11-30" @default.
- W2555001898 creator A5087127692 @default.
- W2555001898 date "2010-01-01" @default.
- W2555001898 modified "2023-09-27" @default.
- W2555001898 title "SOURCE FIRING PATTERNS ANDRECONSTRUCTION ALGORITHMSFOR A SWITCHED SOURCE, OFFSETDETECTOR CT MACHINE" @default.
- W2555001898 hasPublicationYear "2010" @default.
- W2555001898 type Work @default.
- W2555001898 sameAs 2555001898 @default.
- W2555001898 citedByCount "0" @default.
- W2555001898 crossrefType "dissertation" @default.
- W2555001898 hasAuthorship W2555001898A5087127692 @default.
- W2555001898 hasConcept C11413529 @default.
- W2555001898 hasConcept C120665830 @default.
- W2555001898 hasConcept C121332964 @default.
- W2555001898 hasConcept C141379421 @default.
- W2555001898 hasConcept C154945302 @default.
- W2555001898 hasConcept C16171025 @default.
- W2555001898 hasConcept C163716698 @default.
- W2555001898 hasConcept C22789450 @default.
- W2555001898 hasConcept C2524010 @default.
- W2555001898 hasConcept C28826006 @default.
- W2555001898 hasConcept C33923547 @default.
- W2555001898 hasConcept C41008148 @default.
- W2555001898 hasConcept C76155785 @default.
- W2555001898 hasConcept C94915269 @default.
- W2555001898 hasConceptScore W2555001898C11413529 @default.
- W2555001898 hasConceptScore W2555001898C120665830 @default.
- W2555001898 hasConceptScore W2555001898C121332964 @default.
- W2555001898 hasConceptScore W2555001898C141379421 @default.
- W2555001898 hasConceptScore W2555001898C154945302 @default.
- W2555001898 hasConceptScore W2555001898C16171025 @default.
- W2555001898 hasConceptScore W2555001898C163716698 @default.
- W2555001898 hasConceptScore W2555001898C22789450 @default.
- W2555001898 hasConceptScore W2555001898C2524010 @default.
- W2555001898 hasConceptScore W2555001898C28826006 @default.
- W2555001898 hasConceptScore W2555001898C33923547 @default.
- W2555001898 hasConceptScore W2555001898C41008148 @default.
- W2555001898 hasConceptScore W2555001898C76155785 @default.
- W2555001898 hasConceptScore W2555001898C94915269 @default.
- W2555001898 hasLocation W25550018981 @default.
- W2555001898 hasOpenAccess W2555001898 @default.
- W2555001898 hasPrimaryLocation W25550018981 @default.
- W2555001898 hasRelatedWork W1973169818 @default.
- W2555001898 hasRelatedWork W1983275259 @default.
- W2555001898 hasRelatedWork W2160770605 @default.
- W2555001898 hasRelatedWork W2242249993 @default.
- W2555001898 hasRelatedWork W2282728996 @default.
- W2555001898 hasRelatedWork W2405640395 @default.
- W2555001898 hasRelatedWork W2566589064 @default.
- W2555001898 hasRelatedWork W2594311174 @default.
- W2555001898 hasRelatedWork W3002804808 @default.
- W2555001898 hasRelatedWork W3017300631 @default.
- W2555001898 hasRelatedWork W307205904 @default.
- W2555001898 hasRelatedWork W3098608179 @default.
- W2555001898 hasRelatedWork W3099806506 @default.
- W2555001898 hasRelatedWork W3100614128 @default.
- W2555001898 hasRelatedWork W3102273167 @default.
- W2555001898 hasRelatedWork W3103803071 @default.
- W2555001898 hasRelatedWork W3103954741 @default.
- W2555001898 hasRelatedWork W3104069343 @default.
- W2555001898 hasRelatedWork W2182660713 @default.
- W2555001898 hasRelatedWork W2556816522 @default.
- W2555001898 isParatext "false" @default.
- W2555001898 isRetracted "false" @default.
- W2555001898 magId "2555001898" @default.
- W2555001898 workType "dissertation" @default.