A distortion in an image caused by a flaw in a mirror or lens.
A color with no saturation, such as light gray.
A software menu selection to scan from within the program (if it is TWAIN compliant).
A device that measures electrical voltages and assigns digital values to them.
A disc of light caused when a pinpoint of light is diffused to form concentric halos about the original point.
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.
The measurement and recording ...