The PTO publishes new pending patent applications on Thursdays. Both of today's Spotlight Applications concern aspects of digital watermarking. Assigned to Audiosocket, the first application discloses techniques for automated licensing identification and verification. Assigned to Orange (FR), the second application discloses techniques for watermarking a sequence of images and for authenticating a sequence of watermarked images.
20140289873, "System and method for automated licensing identification and verification," asigned to Leopona Inc., d/b/a Audiosocket.
Abstract
A system for license identification and verification uses watermarking technology to embed license information in the medium itself. Various techniques for the creation of the license are described. The Platform on which the media will be used can extract the watermark data and thereby identify and verify the license. The watermark data includes a certain minimal amount of license data. If further information is required, the Platform can use the watermark data to request additional license details from a Licensor or from a license server. Using this approach, the Platform can readily identify and verify that the media in its possession is properly licensed.
20140294229, "Method and device for watermarking a sequence of images, method and device for authenticating a sequence of watermarked images and corresponding computer program," assigned to Orange (FR).
Abstract
A method for watermarking a sequence of images is provided. The method implements the following steps, for at least one current image: comparing the current image with a preceding image of the sequence, delivering a difference image representing a motion between the preceding image and the current image; if the difference between the current image and the preceding image is above a predetermined threshold, watermarking the current image by inserting a message comprising a field carrying an identifier of the current image and a field carrying a soft hash obtained from at least one portion of the difference image; and if not, watermarking the current image by inserting a message comprising a field carrying an identifier of the current image.
