Glossary
A
- aberration
A distortion in an image caused by a flaw in a mirror or lens.
- 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.
- antialiasing
A technique of blending variations in bits along a straight line to minimize the ...
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