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Appendices
Color Balance
The balance between the red, green and blue elements in an image. You can adjust the color
balance when a particular color is too strong or weak.
Color Matching
The gamut of colors scanned with a particular scanner occasionally varies from those reproduced on
a particular monitor. Use of a color matching system ensures that the devices reproduce the colors
the same way.
Coloring
1
The color balance of an image. The image coloring can be adjusted by fine tuning the balance of
red, green and blue or cyan, magenta and yellow.
Contrast
The difference between the highlights and shadows in a scanned film. Raising the contrast has the
effect of clarifying the image, while lowering it produces a somewhat blurry appearance.
2
Dot
The basic element on which images are built. The density of dots in a scanned image is referred to
as the image's resolution, which is measured in dots per inch.
dpi
The acronym for dots per inch. The resolution of monitors and printers is expressed as the number of
dots displayed or printed in one horizontal inch. See also "Pixel" "Optical Resolution" and
3
"Resolution."
Gamma Value
A setting to match the brightness of inputs (the original film) to outputs (the image shown on a
monitor or printed out).
Grayscale
4
An image type which reads only the brightness of the image and expresses it in 256 tones (8 bits) or
16,384 tones (14 bits) from black to white.
Halftones (Mid-tones)
Shades of gray between the brightest (highlights) and darkest (shadows) portions of an image.
5
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