Flashyshape
Flashyshape, patented by EPFL*
This technique is used to create a secure screen including up to 3 images, which can only be revealed using special equipment (film or micro lens). The advantage of this solution is that it allows any image to be concealed within a document by a means that keeps it hidden.
Given the complexity of the screen, the image cannot be revealed on a photocopy.
This technique is used to create a secure screen including up to 3 images, which can only be revealed using special equipment (film or micro lens). The advantage of this solution is that it allows any image to be concealed within a document by a means that keeps it hidden.
Given the complexity of the screen, the image cannot be revealed on a photocopy.
