Add Visual Magic and their unique machine readable identifier to the the PWC list .
From The Daily Star Latest Dot pattern tech offers marketing opportunities
Dot patterns, which can be presented in a very small place and in the form of very tiny dots, can possibly be printed on graphic materials without hampering the original beauty of the content, and by distributing the same pattern repeatedly over a graphical object.
The original decimal number can be retrieved by capturing the image from any portion of that printed graphic, and by analysing that captured image for the arrangement of the dots it is carrying.
"This patented technology, which is very much invisible to the naked eye, will certainly pose as a replacement for the barcode or a micro-barcode printed on a consumer product, a catalogue, an article where a cellular phone camera or a barcode scanner is used to retrieve data, such as price tags, product information, or even proof of authenticity presented within that code," Zaman said.
Considering all these data possibilities, and since each dot pattern is unique, the security characteristics presented by the pattern remains uniquely high," stated Zaman on prospects of dot pattern usage on passports or documents with such integrity