Dose Course 2018_Flipping book
Calibration curve and scanner • Optical density is a function of the wavelength of the light source • Flat-bed color photo-document scanner use broad band fluorescent visible light sources • OD it will also depend on the sensitivity of CCD array
▪ Calibration curve is scanner dependent
▪ Need to have stable performance of the scanner before using it for
calibration or for film digitization
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