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The Hounsfield unit (HU) scale is a linear transformation of the original linear attenuation coefficient measurement into one in which the radiodensity of distilled water at standard pressure and temperature is defined as 0 Hounsfield units (HU), while the radiodensity of air at STP is defined as −1000 HU.
His name is immortalised in the Hounsfield scale, a quantitative measure of radiodensity used in evaluating CT scans. The scale is defined in Hounsfield units (symbol HU), running from air at −1000 HU, through water at 0 HU, and up to dense cortical bone at +1000 HU [12] [13] and more.
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Hounsfield scale, a quantitative measure of radiodensity used in evaluating CT scans Topics referred to by the same term This disambiguation page lists articles associated with the title Hounsfield .
"The Hounsfield scale applies to medical grade CT scans but not to cone beam computed tomography (CBCT) scans." That is not really correct. It "applies" to CBCT equally it just is not normally used. The reason for this is that CBCT has inherent X-ray scatter which contaminates the CBCT reconstruction and makes t
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