Patent ID: 8023692
Filing Date: 2011-09-20
Classification: G06Q,G06T,G07C,G07D,G07F,G10L,G11B,H04B,H04K,H04N

Abstract:
1. A method comprising: obtaining data associated with video or audio; executing a first process to obtain a first identifier from the data; executing a second process to obtain a second identifier from the data, wherein at least the first process or the second process analyzes data representing video picture elements or data representing audio elements to decode an identifier steganographically hidden therein, and wherein at least the first identifier or the second identifier is carried or represented in the data in a manner that, when compared to the other identifier, is more robust to at least one form of signal transformation; and using at least one of the first identifier or the second identifier, carrying out an action associated with the video or audio.