2014
DOI: 10.1117/12.2043629
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Potential use of a single scatter model in breast CBCT applications

Abstract: A model based on singly scattered photons could potentially be of use to correct for scatter effects in breast CBCT applications. Consider a simple phantom consisting of a 14 cm diameter 10.5 cm long cylindrical 50:50 mixture of fibroglandular and fat tissue with 21 cylindrical segments embedded along its central axis. One group of segments were 2 mm in diameter with compositions 0:100, 20:80, 35:65, 50:50, 65:35, 80:20, and 100:0. The remaining two groups had diameters of 5 mm and 10 mm. In order to reduce th… Show more

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(1 citation statement)
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“…The scatter from beamlet k that reaches pixel η was assumed to originate from a single point located at a depth given by d ´dk where d k represents the thickness of the phantom material that the beamlet encountered and δ is a value between 0 and 1. Mathematically, the SSP model is given by [24,31]…”
Section: Ssp Modelmentioning
confidence: 99%
“…The scatter from beamlet k that reaches pixel η was assumed to originate from a single point located at a depth given by d ´dk where d k represents the thickness of the phantom material that the beamlet encountered and δ is a value between 0 and 1. Mathematically, the SSP model is given by [24,31]…”
Section: Ssp Modelmentioning
confidence: 99%