GIS Dictionary

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  1. [data models] The smallest unit of information in a digital image or raster map, usually square or rectangular. Often used synonymously with cell. Pixel is an abbreviation of picture element.
  2. [remote sensing] In remote sensing, the fundamental unit of data collection; represented as a cell in an array of data values.
  3. [graphics (computing)] The smallest element of a display device, such as a video monitor, that can be independently assigned attributes, such as color and intensity.

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