February 2007
Beginner
240 pages
3h 37m
English
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Glossary
A
- aberration
A distortion in an image caused by a flaw in a mirror or lens.
- achromatic color
A color with no saturation, such as light gray.
- acquire
A software menu selection to scan from within the program (if it is TWAIN compliant).
- ADC (Analog-to-Digital Converter)
A device that measures electrical voltages and assigns digital values to them.
- airy disc
A disc of light caused when a pinpoint of light is diffused to form concentric halos about the original point.
- aliasing
The noticeable repeated patterns, lines, or textures in any photographed or scanned subject that conflict with the pattern of an electronic sensor’s pixel arrangement. For example, diagonal lines represented by square pixels will produce jagged lines.
- analog
The measurement and recording ...
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