Comprehensive Biomedical Physics 2014
DOI: 10.1016/b978-0-444-53632-7.00202-1
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Physical Parameters of Image Quality

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Cited by 9 publications
(12 citation statements)
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“…The CNR values depend on various factors such as irradiation conditions, dose to the subject and most importantly the size of the object [47]. For specific contrast and noise, when the shape of the object is the same but the size decreases, larger objects are more effectively visible compared to the smaller ones [47]. In the present DE study, the CNR in the subtracted images was calculated for various ESDs and breast phantoms, in order to determine the minimum detectable calcification.…”
Section: Discussionmentioning
confidence: 99%
“…The CNR values depend on various factors such as irradiation conditions, dose to the subject and most importantly the size of the object [47]. For specific contrast and noise, when the shape of the object is the same but the size decreases, larger objects are more effectively visible compared to the smaller ones [47]. In the present DE study, the CNR in the subtracted images was calculated for various ESDs and breast phantoms, in order to determine the minimum detectable calcification.…”
Section: Discussionmentioning
confidence: 99%
“…It is coupled to a 1000 μm CsI(Tl) scintillator to convert incident X-ray photons into optical light. CsI (TI) is used in medical imaging due to its high resolution and low noise [6,7]. A thicker layer of CsI (Tl) was used with this Lassena sensor to improve its efficiency at low doses.…”
Section: Methodsmentioning
confidence: 99%
“…An ideal imaging system would have a DQE value of one at all spatial frequencies. In all practical cases, however, the DQE decreases as a function of spatial frequency due to the increased effect of the noise as a function of spatial frequency [6,7]. The other two criteria of the image quality assessment are pre-modulation transfer function (pMTF) and normalised noise power spectrum (NNPS).…”
Section: Introductionmentioning
confidence: 99%
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“…The CNR values depend on various factors such as irradiation conditions, dose to the subject and most importantly the size of the object (Konstantinidis 2014). For specific contrast and noise, larger objects are more effectively visible compared to the smaller ones when the shape of the object is the same but the size decreases (Konstantinidis 2014).…”
Section: Discussionmentioning
confidence: 99%