Ch 2 Terms
Radiographic Imaging: Match terms from Ch. 2 to their definition
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- the process of assigning a value to each pixel, to represent a gray tone
- measurement of radiation energy absorbed in a unit of air
- also called expansion / compression; adjusts image contrast
- also called addition / subtraction; adjusts image brightness
- range of exposure values that detector uses / are of quality/low noise
- range of exposures over which detector simply acquires image data
- ability of system to demonstrate small details of an object
- ability of system to display subtle changes in shades of gray
- considered the ideal expression of a digital image system resolution
- undesirable fluctuations in brightness
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