Raster

Raster may refer to:
 * Raster graphics, graphical techniques using arrays of pixel values
 * Raster data model, the representation of geographic phenomena in GIS using a two-dimensional array of values
 * Raster scan, the pattern of image readout, transmission, storage, and reconstruction in television and computer images
 * Rasterisation, or rasterization, conversion of a vector image to a raster image