What is it?
Digital watermarks are imperceptible modifications of digital media, such as images and videos, to add additional information.
How do you detect it?
Detection of digital watermarks requires a digital version of the media and then a computer to extract the embedded information.
How does it work?
Digital watermarks add imperceptible noise to data carriers such as audio, video or images. A dedicated algorithm is used to detect those small data variations and restore the hidden information. It is typically used to identify ownership of the copyright of such signals.
What do we think about this technology?
Digital watermarking is totally inappropriate for authentication purposes. For one thing, to remain invisible, it requires graphically rich artworks and will therefore fail (become visible) on most label and folding box artworks. Even worse, the technology is intrinsically and intentionally robust to copy and will therefore generally be easy to counterfeit. Using a Cryptoglyph® is much more appropriate for printed labels and folding boxes. Indeed, this is a technology that has been industrially proven at large scale, with hundreds of billions of protected packages over the past 15 years.
Field of application
Copyright protection of videos, audio and images.
