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Digital fingerprinting is a technique for identifying users who use multimedia content for unintended purpose, such as redistribution. In order to characterize the fingerprints that can withstand collusion attack, Dittmann et. al proposed the definition of Anti-Collusion Codes (ACCs). In this paper, we present a new approach to construct anticollusion codes based on cover-free families. All the previous constructions of ACCs are special cases of our construction. Especially, we can constructdoi:10.1109/itng.2009.49 dblp:conf/itng/LiWLPF09 fatcat:zvk2xowapzcnnj6m6g3fffsh7i