Representing images

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  • Created by: sheaso22
  • Created on: 20-09-24 13:08

Representing Images

how pixels are used in image representation

  • images are converted into binary for a computer to understand and process them.
  • when a digital image is displayed on a computer screen the image is divided into thousands of pixels arranged into rows and columns.
  • a pixel is the smallest unit of a digital image that can be displayed and edited on a computer screen.
  • the resolution is the number of pixels used to create a digital image.
  • the higher the resolution the more pixels there are but high resolution images require more storage space.
  • 1024 represents the number of pixels displayed horizontally
  • 1536 represents the number of pixels displayed verticaally
  • colour depth or bit depth is the number of bits used to represent the colour of a single pixel this means bits per pixel.
  • a colour bitmap is stored by replacing the 1s and 0s.
  • high resolution image will…

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