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dc.contributor.authorSrinivasan, K.en
dc.contributor.authorMohammadi, M.en
dc.contributor.authorShepherd, J.en
dc.identifier.citationAustralasian Physical and Engineering Sciences in Medicine, 2014; 37(3):607-614en
dc.description.abstractCone-beam CT (CBCT) using kV imagers integrated with linear accelerators is now widely used in verifying patient position during radiation therapy. Current CBCT acquisition protocols have lowered tube current to keep the imaging dose to a minimum. This affects the usability of CBCT data sets in treatment planning by reducing the soft tissue contrast and accuracy of CT numbers (Hounsfield values). The purpose of this study is to investigate the effect of reconstruction filters on full-fan and half-fan acquisition modes of CBCT and assess the image quality parameters of contrast- to -noise ratio, spatial resolution, pixel stability and uniformity. The results of this study show the relation between the noise and resolution of a CBCT image by using different reconstruction filters and provide possible estimations of the impact of filters on image quality and subsequent optimization for image-guided radiotherapy purposes.en
dc.description.statementofresponsibilityKavitha Srinivasan, Mohammad Mohammadi, Justin Shepherden
dc.publisherSpringer Netherlandsen
dc.rights© Australasian College of Physical Scientists and Engineers in Medicine 2014en
dc.subjectCone-beam CT; Image quality; OBI; Reconstruction filters; Sinogramsen
dc.titleInvestigation of effect of reconstruction filters on cone-beam computed tomography image qualityen
dc.typeJournal articleen
dc.identifier.orcidMohammadi, M. [0000-0002-2393-8849]en
Appears in Collections:IPAS publications

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