Thursdays the PTO publishes new pending patent applications. Today's Spotlight Applications concern aspects of digital fingerprinting. Apparently assigned to Cognitive Media Networks, the first application discloses techniques for improving server and client performance in fingerprint ACR systems. Assigned to Gracenote, the second application discloses techniques for authorizing devices based on identifying content distributor.
20140201787, "Systems and methods for improving server and client performance in fingerprint ACR systems," apparently assigned to Cognitive Media Networks, Inc.
A system and method are disclosed that improve the efficiency and performance of an Automatic Content Recognition (ACR) system. Several approaches are described that may be used alone or in combination to reduce total system computational costs related to the manner in which such an ACR means takes samples, called "fingerprints," of digital content being played by a television display device and transmits said fingerprints to a remote server to be compared to a database of fingerprints from known programming. Methods are described for implementing such system performance enhancement including varying sampling rates and other resolution metrics during the process of creating such fingerprints and transmitting them to the database server. The system and method disclosed also describes how to reduce the probability that, when compared to samples from already-identified programming, such fingerprints are incorrectly identified as being of programming other than that which they are in fact derived from.
20140196077, "Authorizing devices based on identifying content distributor," assigned to Gracenote.
Methods and systems to authorize devices and/or perform other actions based on identifying content distributors are described. In some example embodiments, the methods and systems access video content playing at a client device, calculate fingerprints of a portion of the video content, identify a distributor of the video content based on the fingerprints, and perform an action in response to the identification of the distributor of the video content, such as actions to authorize the client device or other associated devices (e.g., second screens) to receive content from the distributor, actions to present sponsored content to the client device or associated devices, and so on.