Raster may refer to:

  • Raster graphics, graphical techniques using arrays of pixel values
  • Raster graphics editor, a computer program
  • 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
  • Raster image processor, or RIP, a component of a printing system that performs rasterisation
  • Raster interrupt, a computer interrupt signal
  • Raster to vector, an image conversion process
  • Raster bar, an effect used in computer demos
  • Raster-Noton, a record label
  • Rastrum, a device used in medieval music manuscripts to draw staff lines
  • Raster Document Object, a file format

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