In color, the process of changing the contrast or gradation of a color scanner by manipulating five points on the tone scale: highlights, quartertones, middle tones, three-quartertones, and shadows. See also Three-Point Curve Control.
|
In color, the process of changing the contrast or gradation of a color scanner by manipulating five points on the tone scale: highlights, quartertones, middle tones, three-quartertones, and shadows. See also Three-Point Curve Control.