H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/12 (2006.01)
Patent
CA 2540575
Digital video signature apparatus and methods for use with video program identification systems are disclosed. The disclosed apparatus and methods identify a video program using a sequence of signatures (100). Each of the signatures includes a set of centroids corresponding to one of a plurality of frames of the video program. The apparatus and methods compare the sequence of signatures to a set of reference sequences of signatures and identify the video program based on the comparison of the sequence of signatures to the set of reference sequences of signatures.
L'invention concerne un dispositif de signature vidéo numérique et des procédés destinés à des systèmes d'identification de programmes vidéo. Le dispositif et les procédés selon l'invention servent à l'identification d'un programme vidéo à l'aide d'une séquence de signatures (100). Chaque signature comporte un ensemble de centroïdes correspondant à une trame d'une pluralité de trames du programme vidéo. Les procédés selon l'invention consistent à comparer la séquence de signatures à un ensemble de séquences de signatures de référence, et à identifier le programme vidéo sur la base de la comparaison de la séquence de signatures aux séquences de signatures de référence.
Nielsen Media Research Inc.
Rowand Intellectual Property Law
The Nielsen Company (us) Llc
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