Patent ID: 7779032
Filing Date: 2010-08-17
Classification: G06F

Abstract:
1. A computer-based method for determining whether a second digital information storage medium accessible for forensic analysis relates to a social network with which a first digital information storage medium has previously been identified, the method comprising: accessing first and second respective digital images generated from digital information retrieved from or present on the first and second digital information storage media, respectively, the first and second digital images comprising first and second representations, respectively, of digital information from the first and second digital information storage media; executing, on the first and second representations, a feature extractor function to extract occurrences, from within the representations of digital information from the first and second digital information storage media, respectively, of a selected feature, thereby to generate a feature extractor output; detecting, based on the feature extractor output, pseudo-unique information from the first and second digital information storage media, respectively; detecting a degree of commonality between pseudo-unique information from the first and second digital information storage media, respectively; and, if a sufficient commonality of pseudo-unique information is detected, designating the second digital information storage medium as relating to the social network with which the first digital information storage medium has previously been identified.