The act of correcting for and eliminating an unwanted color cast. Part of the scanner set-up, a preview image is measured on the computer display and adjusted so that the color measures in the desired way. After this adjustment is made, the actual scan is performed using these color correction settings. Color Space A color space is a particular language used to describe color. The range between lights and darks in an image.
Proper contrast is important so that an image appears realistic.
That act of adjusting contrast for proper visual results. Curve As in tone curve, or color correction curve. The lower left end of the curve typically represents the dark portions of a picture and an upward bend will typically lighten the shadows. Similar capabilities exist by working with the middle or highlight parts of the curve. In this way it is possible to alter only certain tone ranges of an image without making un-wanted changes in other parts of the image.