Fingerprinting codes for live pay-television broadcast via internet

Authors:
Shuhui Hou;Tetsutaro Uehara;Yoshitaka Morimura;Michihiko Minoh
Affiliations:
Dept.of Intelligence Science and Technology, Graduate School of Informatices, Kyoto University, Japan;Academic Center for Computing and Media Studies, Kyoto University, Japan;Dept.of Intelligence Science and Technology, Graduate School of Informatices, Kyoto University, Japan;Academic Center for Computing and Media Studies, Kyoto University, Japan
Venue:
MCAM'07 Proceedings of the 2007 international conference on Multimedia content analysis and mining
Year:
2007

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Abstract

In recent years, with the rapid growth of the Internet as well as the increasing demand for broadband services, live pay-television broadcasting via internet has become a promising business. To get this implemented, it is necessary to protect distributed contents from illegal copying and redistributing after they are accessed. Fingerprinting system is a useful tool for it. This paper shows that the anti-collusion code has advantages over other existing fingerprinting codes in terms of efficiency and effectivity for live pay-television broadcasting. Next, this paper presents how to achieve efficient and effective anti-collusion codes based on affine plane and unital, which are two known examples of balanced incomplete block design (BIBD). Meanwhile, performance evaluations of anti-collusion codes generated from affine plane and unital are conducted. Their practical explicit constructions are given last.