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Image distortion caused by projection

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dbo:description
  • Perceived distortion of an image (in)
  • image distortion caused by projection (en)
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dbo:wikiPageWikiLink
dbp:date
  • May 2020 (en)
dbp:direction
  • vertical (en)
dbp:footer
  • Comparison between an image which hasn't been keystone-corrected , and one which has been keystone-corrected . (en)
dbp:image
  • Keystone-corrected projection from below.jpg (en)
  • Trapezoidal projection from below.jpg (en)
dbp:reason
  • What is "the" screen axis? In what direction? I can think of three axes. (en)
  • The rest of the article talks about three dimensions; how does a 2D model make sense when projecting a 2D image onto 3D space? (en)
  • How is that width defined? (en)
  • Our audience on Wikipedia is the layperson. It's not "clear" to most laypersons that cos=cos. Also, it hasn't been mentioned that a distortion of 1 means no distortion, if that is the case. (en)
  • What does this specific number denote? Is it 0 when there is no distortion? Or 1? And what is it in other situations? (en)
dbp:wikiPageUsesTemplate
dct:subject
rdfs:label
  • Keystone effect (en)
  • Keystone-Korrektur (de)
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