engleski

Design of documents with visible and unvisible graphics

An analysis has been made in experimental work of securities with ink samples applied like those in the originals, and the way they appear under ultraviolet light. Research work covers experiments with UV inks in documents that exist, documents that are in practical use, and are the work of this paper's author. These documents have been recorded with a digital camera in daylight and in UV light. Effort was made to make the recordings in the manner our eyes see the document in different situations.

securities design; ultraviolet colors; counterfeit

nije evidentirano