Watermark-based goods authentication

Details Watermark-based goods authentication Watermark-based goods authentication

2007-08-14

2007-08-14

Johns, Andrew W. (Department: 2624)

Image analysis

Applications

C340S005800

Reexamination Certificate

active

10641684

ABSTRACT:
An implementation is described herein facilitates certification of goods and/or identifications of the source of such goods. At least one implementation, described herein, embeds a watermark into a relatively small amount of data in a deterministic manner. At least one implementation, described herein, generates an authentication transformation matrix based, at least in part, upon an authentication watermark and a pre-defined humanly perceptible authentication pattern (e.g., image, audio). With this implementation, it obtains subject goods that may have the authentication watermark embedded therein. It generates a humanly perceptible resultant pattern (e.g., image, audio) based, at least in part, upon the watermark detected in subject goods and the transformation matrix. If the detected watermark is the authentication watermark, then the resultant pattern and the pre-defined authentication pattern will match (or nearly so). At least one implementation, described herein, hides a secret key around the periphery of watermarked goods. This abstract itself is not intended to limit the scope of this patent. The scope of the present invention is pointed out in the appending claims.

REFERENCES:
patent: 5790703 (1998-08-01), Wang
patent: 5995638 (1999-11-01), Amidror et al.
patent: 6094722 (2000-07-01), Astola et al.
patent: 6373974 (2002-04-01), Zeng
patent: 2003/0188150 (2003-10-01), Ohkado et al.
Yeung et al., “An Invisible Watermarking Technique for Image Verification,”Proc. Int. Conf. on Image Processing, vol. II, pp. 680-683, Oct. 1997.
Wang et al., “Embedding Digital Watermarks in Halftone Screens,”Proc. SPIEvol. 3971:Security and Watermarking of Multimedia Contents II, pp. 218-227, Jan. 2000.
Busch et al., “Sensitivity Labels and Invisible Identification Markings in Human-Readable Output,”Proc. SPIEvol. 4675:Security and Watermarking of Multimedia Contents IV, pp. 149-157, Jan. 2002.

Affiliated with

Also associated with

Rating

Watermark-based goods authentication does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Watermark-based goods authentication, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Watermark-based goods authentication will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3844012