Why isn name and address information embedded into images?
There are two main reasons why name and address information is not embedded into images: • There is a trade off between the amount of fingerprint data that can be hidden within the carrier object data and the image quality for any given volume of object data. Therefore, the alpha-numeric scheme which forms the basis of the Fingerprint ID was chosen because it guarantees to provide many millions of unique combinations whilst remaining visually imperceptible even in very small volumes of object data. If name, address and telephone information were embedded into the object, the resulting data level may well cause quality problems since the threshold of perception would almost certainly be exceeded. • Embedding name, address, telephone numbers, rights information, etc. into an image means that, as well as being restricted to very large image file sizes, the information can become outdated making the image provider difficult or impossible to locate. By holding this information remotely in a
