A method of decoding on an electronic device

G - Physics – 06 – T

Patent

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G06T 1/00 (2006.01)

Patent

CA 2728320

A hidden image method comprising: obtaining a first image and a second image, the first and second images providing between them a hidden image and a decoder such that a hidden image is decoded by the decoder when the first image and the second image are superposed at at least one decoding position; printing the first image onto a light transmissive substrate to produce a printed substrate; displaying the second image on an electronic display; and superposing the printed substrate relative to the display at a decoding position to decode the hidden image.

La présente invention se rapporte à un procédé pour image cachée consistant à obtenir une première image et une seconde image, les première et seconde images comportant entre elles une image cachée et un décodeur de façon à ce quune image cachée soit décodée par le décodeur lorsque les première et seconde images sont superposées au niveau dau moins une position de décodage; à imprimer la première image sur un substrat transmetteur de lumière pour produire un substrat imprimé; à afficher la seconde image sur un dispositif daffichage électronique; et à superposer le substrat imprimé par rapport au dispositif daffichage au niveau d'une position de décodage pour décoder l'image cachée.

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