An undesirable concentration of an ink pigment in one particular spot, commonly caused by a pit or depression in the surface of the substrate.

The process of removing redundant bits of information from a digital file (especially a graphics, audio, or video file) as a means of reducing file size and/or expediting processing and …

Alternate term for a computer file. See File.

In papermaking, the removal—either by mechanical or chemical means—of removing ink from wastepapers during recycling.

In image manipulation, an adjustment made to an image to compensate for physical or dimensional distortions caused by errors in scanning.

Any white ink pigment exhibiting no trace of a tint.

A type of paper with an irregular, untrimmed edge which decreases in thickness towards the edge of the paper. Deckle edge paper is commonly used for high-quality books, booklets, announcements, …

The term Delta E or ∆E is used to describe color differences in the CIELAB color space. The term stems from the greek letter delta which is used in science to denote …

A densitometer is an instrument having a light-sensitive photoelectric eye for measuring the density of colored ink to measure and control the optical density of color inks on the substrate. …

In imaging and color, the perceived darkness of a substance, material, or image caused by the absorption or reflection of light impinging on the material. Differences in density as related to …