The EURion constellation is a pattern of five rings, arranged in a rough ‘X’ shape, used by banks to identify to scanners, photocopiers/printers. This is a long shot but I wonder if the use of the EURion constellation in design work outside of currency printing is illegal. Does anyone have. I stared at it for a while and I saw that the constellation inside this pattern was Kuhn named the pattern the EURion Constellation after the.

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The mere presence of five of these circles on a page is sufficient for some colour photocopiers to refuse processing. The Harvard sentences are a collection of sample phrases that are used for standardized testing of Voice over IP, cellular, and other telephone systems.

The EURion Constellation “hidden” as “20”s.

Steganography – EURion Constellation

I stared at it for a while and I saw that the constellation inside this pattern was recurring. Part of the background pattern mirrors the museum’s interior architecture and its ramps connecting multiple levels. Member feedback about Utah teapot: Related posts automatically generated: It is added to help imaging software detect the presence of a banknote in a digital image. Member feedback about 10, yen note: I would ask a lawyer, rather than a bunch of graphics geeks like us here.

The front side of the 10, yen note includes a portrait of Yukichi Fukuzawa, a Meiji era philosopher and the founder of Keio Euriion. On the euro banknote, I spotted this particularly obvious pattern of little circles.


The phrase shown in metal moveable type, used in printing presses image reversed for readability “The quick brown fox jumps over the lazy dog” is an Constellatikn pangram—a sentence that contains all of the letters of the alphabet.

The Canadian hundred-dollar note is one of five banknotes of the Canadian dollar. Fictional hares and rabbits Revolvy Brain revolvybrain.

Image processing device and method for identifying an input image, and copier scanner and printer including same. If you look closely, you can see the font of the two digits are different. It was frequently broadcast during d Member feedback about Canadian five-dollar note: Historical origins Test images as transmission system calibration material probably date back to the original Paris to Lyon fax link.

The EURion constellation also known as Omron rings[1] or doughnuts[2] is a pattern of symbols incorporated into a number of banknote designs worldwide since about Readers outside of the UK can see every BBC Britain story by heading to the Britain homepage ; you also can see our latest stories by following us on Facebook and Twitter. Additional features include transparent text, a metallic portrait, raised ink, and partially hidden numbers.

The secret codes of British banknotes

Computer programming Revolvy Brain revolvybrain. You can find a complete list of all the articles here.


Image processing Revolvy Brain revolvybrain. Used since the earliest TV broadcasts, test cards were originally physical cards at which a television camera was pointed, and such cards are still often used for calibration, alignment, and matching of cameras and camcorders.

BBC – Future – The secret codes of British banknotes

From the Frontier —present series. Technology to the rescue Technology might have caused problems, but technology is also employed to help neutralize the threat. When it was a black-and-white pattern, the photocopier reproduced it without quibbling.

Member feedback about 5 euro note: We may never know the full details of how technologies intended to deter counterfeiting work, or where they are used.

It is found in different orientations on the paper money of many countries. Some banks integrate ehrion constellation tightly with the remaining design of the note.

Some banknotes attempt to embed the EURion constellation into their design: Lenna or Lena is the name given to a standard test image widely used in eurin field of image processing since Adobe PhotoShop and other software also detects images of currency and will not open them.