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Digital image manipulation

Digital photographs, images and other graphics can all be altered using computer software. A variety of software packages are available that allow you to edit and manipulate your images.

Student image - Street photography
Figure caption,
Digital filters can be used to mix areas of black and white and colour

Simple editing can include:

  • cropping the image
  • removing errors and minor blemishes like dust spots
  • lightening underexposed areas
  • darkening washed out areas

It is also possible to make more significant changes to an image. This can be used for artistic or experimental effect.

For example, you might:

  • change the contrast
  • increase or decrease colour
  • add blurring
  • mix areas of black and white and colour