Moiré
The patterns or lines created by overlapping dots in an image. This phenomenon is found when photographs or pictures are scanned from books and magazines at low resolutions. The Descreen function helps to eliminate moiré patterns.
Optical Resolution
An expression of the volume of data per inch (dpi) that can be sampled by a scanner.
Pixel
An abbreviation of picture element, the smallest element on a monitor screen.
Plug-in Software
A program that extends the functionality of an application program.
Preview Area
Area at the right of the
Preview Scan
A
Resolution
The density of the dots used to express an image. Image fineness or coarseness is expressed as the number of dots per inch (dpi). See also DPI.
RGB
A color set of red, green and blue: the three primary colors of light. The scanner picks up light reflected off objects with its red, green and blue sensors. Color printers output color using the complements to the RGB color set, which are cyan, magenta, yellow and black (CMYK). Cyan, magenta and yellow are called the three secondary colors.
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