aliasing

noun ali·as·ing \ ˈā-lē-ə-siŋ , ˈāl-yə- \

Definition of aliasing

: an error or distortion created in a digital image that usually appears as a jagged outline
  • We commonly observe aliasing on television. This occurs when there is an insufficient magnification produced by the lens of a TV camera focused on periodic structures such as the pattern of pinstripes in an announcer's shirt, bricks in the wall of a house, or seats in an empty stadium.
  • —Douglas B. MurphyFundamentals of Light Microscopy and Electronic Imaging2001

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First Known Use of aliasing

1977


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