Dots per inch (DPI)

Impact Centre of Competence

DPI is an artefact of spatial printing whereby what appears to the viewer as a continuous image is in fact made up of many tiny ink-dots close together. The number of dots per inch tends to correlate with the resolution of a digital image (with high DPI implying high resolution), but because DPI is a characteristic of printing rather than capture, the relation is only indirect. See also: PPI.
Reference: Wikipedia [http://en.wikipedia.org/wiki/Dots_per_inch], DPI vs. PPI [http://www.tildefrugal.net/photo/dpi.php]

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