Publication number: 20120139693
Abstract: A method and system for fingerprinting a content item is described, the and system method include providing the content item, the content item including a set of content item elements, the set of content item elements denoted E, such that E={E1, E2, Ei, Em}, providing information uniquely associated with a single user, the information including a string of bits, hereinafter denoted S0, parsing S0 into a plurality of subsequences of strings of bits, hereinafter denoted S1,, Sn, the parsing being performed such that S0 equals a function of S1,, Sn, providing a matrix of content item replacement elements, the matrix denoted R, each row of matrix R including, for at least each one of n members of set E, an array of content item replacement elements for Ei denoted Ri, such that Ri={Ri1, Rij}, uniquely associating each one of S1, Sn with one matrix element of matrix R, so that for every one of S1,, Sn there exists a corresponding element of E, for every one of S1,, Sn replacing at least one instance of the correspo
Type:
Application
Filed:
June 21, 2010
Publication date:
June 7, 2012
Applicant:
NDS Limited
Inventors:
Arnold Zucker, Perry Smith, Yossi Tsuria, Harel Cain, Hillel Solow, Steve Epstein, Shabtai Atlow