Patent ID: 8312558

Claim:
A method of managing protected video content, the method comprising: inspecting a packet stream sent from a subscriber customer premises equipment device via a private access network of an Internet Protocol Television system, wherein the packet stream includes Moving Picture Experts Group video content, wherein the Moving Picture Experts Group video content is divided into a plurality of subsections, wherein each subsection of the plurality of subsections is identified by a first frame that designates a beginning of the subsection and a second frame that designates an end of the subsection, wherein at least one additional frame separates the first frame and the second frame, and wherein the first frame, the second frame, and the at least one additional frame each comprise an Intra-coded frame or a Predictive-coded frame; generating a plurality of signatures corresponding to the Moving Picture Experts Group video content, wherein each signature of the plurality of signatures is generated by applying a wavelet transform to multiple frames of each of the plurality of subsections at a plurality of resolution levels; and determining a match between the Moving Picture Experts Group video content and protected video content based at least in part on a comparison of the plurality of signatures to one or more stored signatures generated from the protected video content.