Invention Grant
- Patent Title: System and method of managing protected video content
- Patent Title (中): 管理受保护的视频内容的系统和方法
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Application No.: US13649893Application Date: 2012-10-11
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Publication No.: US09462232B2Publication Date: 2016-10-04
- Inventor: Dipak Ghosal , Canhui Ou , Zhi Li
- Applicant: AT&T Intellectual Property I, L.P. , The Regents of the University of California
- Applicant Address: US GA Atlanta
- Assignee: AT&T Intellectual Property I, L.P.
- Current Assignee: AT&T Intellectual Property I, L.P.
- Current Assignee Address: US GA Atlanta
- Agency: Toler Law Group, PC
- Main IPC: G06F21/00
- IPC: G06F21/00 ; H04N7/167 ; H04N21/254 ; H04N21/434 ; H04N21/44 ; H04N21/4788 ; H04N21/8358
Abstract:
A method includes inspecting a packet stream sent from a set-top box device via a network. The packet stream includes video content that is divided into a plurality of subsections. The method includes generating a plurality of signatures by applying a wavelet transform to each of the plurality of subsections, and determining a match between the 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 based on the protected video content.
Public/Granted literature
- US20130055413A1 System and Method of Managing Protected Video Content Public/Granted day:2013-02-28
Information query
