January 24, 2011
The Belt of Orion
What is this funky pattern known as? You can find them on currency notes.
For fake bonus points, tell us what happens when software like Adobe Photoshop sees this pattern in an image.
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Answer:
EURion constellation pattern found on currency notes to help software detect the presence of a banknote in a digital image. Such software can then block the user from reproducing banknotes to prevent counterfeiting using colour photocopiers.
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